/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M M AAA GGGG IIIII CCCC K K % % MM MM A A G I C K K % % M M M AAAAA G GGG I C KKK % % M M A A G G I C K K % % M M A A GGGG IIIII CCCC K K % % % % 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 % % % % % % ImageMagick MagickWand Image Methods % % % % Software Design % % John Cristy % % August 2003 % % % % % % Copyright 1999-2007 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 % % % % http://www.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 "wand/studio.h" #include "wand/MagickWand.h" #include "wand/magick-wand-private.h" #include "wand/wand.h" /* Define declarations. */ #define ThrowWandException(severity,tag,context) \ { \ (void) ThrowMagickException(wand->exception,GetMagickModule(),severity, \ tag,"`%s'",context); \ return(MagickFalse); \ } #define MagickWandId "MagickWand" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % + C l o n e M a g i c k W a n d F r o m I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % CloneMagickWandFromImages() clones the magick wand and inserts a new image % list. % % The format of the CloneMagickWandFromImages method is: % % MagickWand *CloneMagickWandFromImages(const MagickWand *wand, % Image *images) % % A description of each parameter follows: % % o wand: The magick wand. % % o images: replace the image list with these image(s). % */ static MagickWand *CloneMagickWandFromImages(const MagickWand *wand, Image *images) { MagickWand *clone_wand; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); clone_wand=(MagickWand *) AcquireMagickMemory(sizeof(*clone_wand)); if (clone_wand == (MagickWand *) NULL) ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", images->filename); (void) ResetMagickMemory(clone_wand,0,sizeof(*clone_wand)); clone_wand->id=AcquireWandId(); (void) FormatMagickString(clone_wand->name,MaxTextExtent,"%s-%lu", MagickWandId,clone_wand->id); clone_wand->exception=AcquireExceptionInfo(); InheritException(clone_wand->exception,wand->exception); clone_wand->image_info=CloneImageInfo(wand->image_info); clone_wand->quantize_info=CloneQuantizeInfo(wand->quantize_info); clone_wand->images=images; clone_wand->debug=IsEventLogging(); if (clone_wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clone_wand->name); clone_wand->signature=WandSignature; return(clone_wand); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % G e t I m a g e F r o m M a g i c k W a n d % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % GetImageFromMagickWand() returns the current image from the magick wand. % % The format of the GetImageFromMagickWand method is: % % Image *GetImageFromMagickWand(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport Image *GetImageFromMagickWand(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((Image *) NULL); } return(wand->images); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k A d a p t i v e S h a r p e n I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickAdaptiveBlurImage() adaptively blurs the image by blurring % less intensely near image edges and more intensely far from edges. We % blur the image with a Gaussian operator of the given radius and standard % deviation (sigma). For reasonable results, radius should be larger than % sigma. Use a radius of 0 and MagickAdaptiveBlurImage() selects a % suitable radius for you. % % The format of the MagickAdaptiveBlurImage method is: % % MagickBooleanType MagickAdaptiveBlurImage(MagickWand *wand, % const double radius,const double sigma) % MagickBooleanType MagickAdaptiveBlurImageChannel(MagickWand *wand, % const ChannelType channel,const double radius,const double sigma) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o radius: The radius of the Gaussian, in pixels, not counting the center % pixel. % % o sigma: The standard deviation of the Gaussian, in pixels. % */ WandExport MagickBooleanType MagickAdaptiveBlurImage(MagickWand *wand, const double radius,const double sigma) { MagickBooleanType status; status=MagickAdaptiveBlurImageChannel(wand,DefaultChannels,radius,sigma); return(status); } WandExport MagickBooleanType MagickAdaptiveBlurImageChannel(MagickWand *wand, const ChannelType channel,const double radius,const double sigma) { Image *sharp_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); sharp_image=AdaptiveBlurImageChannel(wand->images,channel,radius,sigma, wand->exception); if (sharp_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,sharp_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k A d a p t i v e R e s i z e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickAdaptiveResizeImage() adaptively resize image with data dependent % triangulation. % % MagickBooleanType MagickAdaptiveResizeImage(MagickWand *wand, % const unsigned long columns,const unsigned long rows) % % A description of each parameter follows: % % o wand: The magick wand. % % o columns: The number of columns in the scaled image. % % o rows: The number of rows in the scaled image. % */ WandExport MagickBooleanType MagickAdaptiveResizeImage(MagickWand *wand, const unsigned long columns,const unsigned long rows) { Image *resize_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); resize_image=AdaptiveResizeImage(wand->images,columns,rows,wand->exception); if (resize_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,resize_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k A d a p t i v e S h a r p e n I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickAdaptiveSharpenImage() adaptively sharpens the image by sharpening % more intensely near image edges and less intensely far from edges. We % sharpen the image with a Gaussian operator of the given radius and standard % deviation (sigma). For reasonable results, radius should be larger than % sigma. Use a radius of 0 and MagickAdaptiveSharpenImage() selects a % suitable radius for you. % % The format of the MagickAdaptiveSharpenImage method is: % % MagickBooleanType MagickAdaptiveSharpenImage(MagickWand *wand, % const double radius,const double sigma) % MagickBooleanType MagickAdaptiveSharpenImageChannel(MagickWand *wand, % const ChannelType channel,const double radius,const double sigma) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o radius: The radius of the Gaussian, in pixels, not counting the center % pixel. % % o sigma: The standard deviation of the Gaussian, in pixels. % */ WandExport MagickBooleanType MagickAdaptiveSharpenImage(MagickWand *wand, const double radius,const double sigma) { MagickBooleanType status; status=MagickAdaptiveSharpenImageChannel(wand,DefaultChannels,radius,sigma); return(status); } WandExport MagickBooleanType MagickAdaptiveSharpenImageChannel(MagickWand *wand, const ChannelType channel,const double radius,const double sigma) { Image *sharp_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); sharp_image=AdaptiveSharpenImageChannel(wand->images,channel,radius,sigma, wand->exception); if (sharp_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,sharp_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k A d a p t i v e T h r e s h o l d I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickAdaptiveThresholdImage() selects an individual threshold for each pixel % based on the range of intensity values in its local neighborhood. This % allows for thresholding of an image whose global intensity histogram % doesn't contain distinctive peaks. % % The format of the AdaptiveThresholdImage method is: % % MagickBooleanType MagickAdaptiveThresholdImage(MagickWand *wand, % const unsigned long width,const unsigned long height,const long offset) % % A description of each parameter follows: % % o wand: The magick wand. % % o width: The width of the local neighborhood. % % o height: The height of the local neighborhood. % % o offset: The mean offset. % */ WandExport MagickBooleanType MagickAdaptiveThresholdImage(MagickWand *wand, const unsigned long width,const unsigned long height,const long offset) { Image *threshold_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); threshold_image=AdaptiveThresholdImage(wand->images,width,height,offset, wand->exception); if (threshold_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,threshold_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k A d d I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickAddImage() adds the specified images at the current image location. % % The format of the MagickAddImage method is: % % MagickBooleanType MagickAddImage(MagickWand *wand, % const MagickWand *add_wand) % % A description of each parameter follows: % % o wand: The magick wand. % % o add_wand: A wand that contains images to add at the current image % location. % */ static inline MagickBooleanType InsertImageInWand(MagickWand *wand, Image *images) { Image *sentinel; sentinel=wand->images; if (sentinel == (Image *) NULL) { wand->images=GetFirstImageInList(images); return(MagickTrue); } if (wand->active == MagickFalse) { if ((wand->pend != MagickFalse) && (sentinel->next == (Image *) NULL)) { AppendImageToList(&sentinel,images); wand->images=GetLastImageInList(images); return(MagickTrue); } if ((wand->pend != MagickFalse) && (sentinel->previous == (Image *) NULL)) { PrependImageToList(&sentinel,images); wand->images=GetFirstImageInList(images); return(MagickTrue); } } InsertImageInList(&sentinel,images); wand->images=GetFirstImageInList(images); return(MagickTrue); } WandExport MagickBooleanType MagickAddImage(MagickWand *wand, const MagickWand *add_wand) { Image *images; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); assert(add_wand != (MagickWand *) NULL); assert(add_wand->signature == WandSignature); if (add_wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",add_wand->name); images=CloneImageList(add_wand->images,wand->exception); if (images == (Image *) NULL) return(MagickFalse); return(InsertImageInWand(wand,images)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % M a g i c k A d d N o i s e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickAddNoiseImage() adds random noise to the image. % % The format of the MagickAddNoiseImage method is: % % MagickBooleanType MagickAddNoiseImage(MagickWand *wand, % const NoiseType noise_type) % MagickBooleanType MagickAddNoiseImageChannel(MagickWand *wand, % const ChannelType channel,const NoiseType noise_type) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o noise_type: The type of noise: Uniform, Gaussian, Multiplicative, % Impulse, Laplacian, or Poisson. % */ WandExport MagickBooleanType MagickAddNoiseImage(MagickWand *wand, const NoiseType noise_type) { MagickBooleanType status; status=MagickAddNoiseImageChannel(wand,DefaultChannels,noise_type); return(status); } WandExport MagickBooleanType MagickAddNoiseImageChannel(MagickWand *wand, const ChannelType channel,const NoiseType noise_type) { Image *noise_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); noise_image=AddNoiseImageChannel(wand->images,channel,noise_type, wand->exception); if (noise_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,noise_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k A f f i n e T r a n s f o r m I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickAffineTransformImage() transforms an image as dictated by the affine % matrix of the drawing wand. % % The format of the MagickAffineTransformImage method is: % % MagickBooleanType MagickAffineTransformImage(MagickWand *wand, % const DrawingWand *drawing_wand) % % A description of each parameter follows: % % o wand: The magick wand. % % o drawing_wand: The draw wand. % */ WandExport MagickBooleanType MagickAffineTransformImage(MagickWand *wand, const DrawingWand *drawing_wand) { DrawInfo *draw_info; Image *affine_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); draw_info=PeekDrawingWand(drawing_wand); if (draw_info == (DrawInfo *) NULL) return(MagickFalse); affine_image=AffineTransformImage(wand->images,&draw_info->affine, wand->exception); draw_info=DestroyDrawInfo(draw_info); if (affine_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,affine_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k A n n o t a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickAnnotateImage() annotates an image with text. % % The format of the MagickAnnotateImage method is: % % MagickBooleanType MagickAnnotateImage(MagickWand *wand, % const DrawingWand *drawing_wand,const double x,const double y, % const double angle,const char *text) % % A description of each parameter follows: % % o wand: The magick wand. % % o drawing_wand: The draw wand. % % o x: x ordinate to left of text % % o y: y ordinate to text baseline % % o angle: rotate text relative to this angle. % % o text: text to draw % */ WandExport MagickBooleanType MagickAnnotateImage(MagickWand *wand, const DrawingWand *drawing_wand,const double x,const double y, const double angle,const char *text) { char geometry[MaxTextExtent]; DrawInfo *draw_info; MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); draw_info=PeekDrawingWand(drawing_wand); if (draw_info == (DrawInfo *) NULL) return(MagickFalse); (void) CloneString(&draw_info->text,text); (void) FormatMagickString(geometry,MaxTextExtent,"%+g%+g",x,y); draw_info->affine.sx=cos(DegreesToRadians(fmod(angle,360.0))); draw_info->affine.rx=sin(DegreesToRadians(fmod(angle,360.0))); draw_info->affine.ry=(-sin(DegreesToRadians(fmod(angle,360.0)))); draw_info->affine.sy=cos(DegreesToRadians(fmod(angle,360.0))); (void) CloneString(&draw_info->geometry,geometry); status=AnnotateImage(wand->images,draw_info); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); draw_info=DestroyDrawInfo(draw_info); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k A n i m a t e I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickAnimateImages() animates an image or image sequence. % % The format of the MagickAnimateImages method is: % % MagickBooleanType MagickAnimateImages(MagickWand *wand, % const char *server_name) % % A description of each parameter follows: % % o wand: The magick wand. % % o server_name: The X server name. % */ WandExport MagickBooleanType MagickAnimateImages(MagickWand *wand, const char *server_name) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); (void) CloneString(&wand->image_info->server_name,server_name); status=AnimateImages(wand->image_info,wand->images); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k A p p e n d I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickAppendImages() append a set of images. % % The format of the MagickAppendImages method is: % % MagickWand *MagickAppendImages(MagickWand *wand, % const MagickBooleanType stack) % % A description of each parameter follows: % % o wand: The magick wand. % % o stack: By default, images are stacked left-to-right. Set stack to % MagickTrue to stack them top-to-bottom. % */ WandExport MagickWand *MagickAppendImages(MagickWand *wand, const MagickBooleanType stack) { Image *append_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return((MagickWand *) NULL); append_image=AppendImages(wand->images,stack,wand->exception); if (append_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,append_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k A v e r a g e I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickAverageImages() average a set of images. % % The format of the MagickAverageImages method is: % % MagickWand *MagickAverageImages(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickWand *MagickAverageImages(MagickWand *wand) { Image *average_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return((MagickWand *) NULL); average_image=AverageImages(wand->images,wand->exception); if (average_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,average_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k B l a c k T h r e s h o l d I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickBlackThresholdImage() is like MagickThresholdImage() but forces all % pixels below the threshold into black while leaving all pixels above the % threshold unchanged. % % The format of the MagickBlackThresholdImage method is: % % MagickBooleanType MagickBlackThresholdImage(MagickWand *wand, % const PixelWand *threshold) % % A description of each parameter follows: % % o wand: The magick wand. % % o threshold: The pixel wand. % */ WandExport MagickBooleanType MagickBlackThresholdImage(MagickWand *wand, const PixelWand *threshold) { char thresholds[MaxTextExtent]; MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); (void) FormatMagickString(thresholds,MaxTextExtent, QuantumFormat "," QuantumFormat "," QuantumFormat "," QuantumFormat, PixelGetRedQuantum(threshold),PixelGetGreenQuantum(threshold), PixelGetBlueQuantum(threshold),PixelGetOpacityQuantum(threshold)); status=BlackThresholdImage(wand->images,thresholds); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k B l u r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickBlurImage() blurs an image. We convolve the image with a % gaussian operator of the given radius and standard deviation (sigma). % For reasonable results, the radius should be larger than sigma. Use a % radius of 0 and BlurImage() selects a suitable radius for you. % % The format of the MagickBlurImage method is: % % MagickBooleanType MagickBlurImage(MagickWand *wand,const double radius, % const double sigma) % MagickBooleanType MagickBlurImageChannel(MagickWand *wand, % const ChannelType channel,const double radius,const double sigma) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o radius: The radius of the , in pixels, not counting the center % pixel. % % o sigma: The standard deviation of the , in pixels. % */ WandExport MagickBooleanType MagickBlurImage(MagickWand *wand, const double radius,const double sigma) { MagickBooleanType status; status=MagickBlurImageChannel(wand,DefaultChannels,radius,sigma); return(status); } WandExport MagickBooleanType MagickBlurImageChannel(MagickWand *wand, const ChannelType channel,const double radius,const double sigma) { Image *blur_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); blur_image=BlurImageChannel(wand->images,channel,radius,sigma, wand->exception); if (blur_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,blur_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k B o r d e r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickBorderImage() surrounds the image with a border of the color defined % by the bordercolor pixel wand. % % The format of the MagickBorderImage method is: % % MagickBooleanType MagickBorderImage(MagickWand *wand, % const PixelWand *bordercolor,const unsigned long width, % const unsigned long height) % % A description of each parameter follows: % % o wand: The magick wand. % % o bordercolor: The border color pixel wand. % % o width: The border width. % % o height: The border height. % */ WandExport MagickBooleanType MagickBorderImage(MagickWand *wand, const PixelWand *bordercolor,const unsigned long width, const unsigned long height) { Image *border_image; RectangleInfo border_info; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); border_info.width=width; border_info.height=height; border_info.x=0; border_info.y=0; PixelGetQuantumColor(bordercolor,&wand->images->border_color); border_image=BorderImage(wand->images,&border_info,wand->exception); if (border_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,border_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C h a r c o a l I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickCharcoalImage() simulates a charcoal drawing. % % The format of the MagickCharcoalImage method is: % % MagickBooleanType MagickCharcoalImage(MagickWand *wand, % const double radius,const double sigma) % % A description of each parameter follows: % % o wand: The magick wand. % % o radius: The radius of the Gaussian, in pixels, not counting the center % pixel. % % o sigma: The standard deviation of the Gaussian, in pixels. % */ WandExport MagickBooleanType MagickCharcoalImage(MagickWand *wand, const double radius,const double sigma) { Image *charcoal_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); charcoal_image=CharcoalImage(wand->images,radius,sigma,wand->exception); if (charcoal_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,charcoal_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C h o p I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickChopImage() removes a region of an image and collapses the image to % occupy the removed portion % % The format of the MagickChopImage method is: % % MagickBooleanType MagickChopImage(MagickWand *wand, % const unsigned long width,const unsigned long height,const long x, % const long y) % % A description of each parameter follows: % % o wand: The magick wand. % % o width: The region width. % % o height: The region height. % % o x: The region x offset. % % o y: The region y offset. % % */ WandExport MagickBooleanType MagickChopImage(MagickWand *wand, const unsigned long width,const unsigned long height,const long x, const long y) { Image *chop_image; RectangleInfo chop; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); chop.width=width; chop.height=height; chop.x=x; chop.y=y; chop_image=ChopImage(wand->images,&chop,wand->exception); if (chop_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,chop_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C l i p I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickClipImage() clips along the first path from the 8BIM profile, if % present. % % The format of the MagickClipImage method is: % % MagickBooleanType MagickClipImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickClipImage(MagickWand *wand) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=ClipImage(wand->images); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C l i p I m a g e P a t h % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickClipImagePath() clips along the named paths from the 8BIM profile, if % present. Later operations take effect inside the path. Id may be a number % if preceded with #, to work on a numbered path, e.g., "#1" to use the first % path. % % The format of the MagickClipImagePath method is: % % MagickBooleanType MagickClipImagePath(MagickWand *wand, % const char *pathname,const MagickBooleanType inside) % % A description of each parameter follows: % % o wand: The magick wand. % % 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. % */ WandExport MagickBooleanType MagickClipImagePath(MagickWand *wand, const char *pathname,const MagickBooleanType inside) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=ClipImagePath(wand->images,pathname,inside); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C l u t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickClutImage() replaces colors in the image from a color lookup table. % % The format of the MagickClutImage method is: % % MagickBooleanType MagickClutImage(MagickWand *wand, % const MagickWand *clut_wand) % MagickBooleanType MagickClutImageChannel(MagickWand *wand, % const ChannelType channel,const MagickWand *clut_wand) % % A description of each parameter follows: % % o wand: The magick wand. % % o clut_image: The clut image. % */ WandExport MagickBooleanType MagickClutImage(MagickWand *wand, const MagickWand *clut_wand) { MagickBooleanType status; status=MagickClutImageChannel(wand,DefaultChannels,clut_wand); return(status); } WandExport MagickBooleanType MagickClutImageChannel(MagickWand *wand, const ChannelType channel,const MagickWand *clut_wand) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if ((wand->images == (Image *) NULL) || (clut_wand->images == (Image *) NULL)) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=ClutImageChannel(wand->images,channel,clut_wand->images); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C o a l e s c e I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickCoalesceImages() composites a set of images while respecting any page % offsets and disposal methods. GIF, MIFF, and MNG animation sequences % typically start with an image background and each subsequent image % varies in size and offset. MagickCoalesceImages() returns a new sequence % where each image in the sequence is the same size as the first and % composited with the next image in the sequence. % % The format of the MagickCoalesceImages method is: % % MagickWand *MagickCoalesceImages(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickWand *MagickCoalesceImages(MagickWand *wand) { Image *coalesce_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return((MagickWand *) NULL); coalesce_image=CoalesceImages(wand->images,wand->exception); if (coalesce_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,coalesce_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C o l o r i z e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickColorizeImage() blends the fill color with each pixel in the image. % % The format of the MagickColorizeImage method is: % % MagickBooleanType MagickColorizeImage(MagickWand *wand, % const PixelWand *colorize,const PixelWand *opacity) % % A description of each parameter follows: % % o wand: The magick wand. % % o colorize: The colorize pixel wand. % % o opacity: The opacity pixel wand. % */ WandExport MagickBooleanType MagickColorizeImage(MagickWand *wand, const PixelWand *colorize,const PixelWand *opacity) { char percent_opaque[MaxTextExtent]; Image *colorize_image; PixelPacket target; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); (void) FormatMagickString(percent_opaque,MaxTextExtent,"%g,%g,%g,%g", (double) (100.0*QuantumScale*PixelGetRedQuantum(opacity)), (double) (100.0*QuantumScale*PixelGetGreenQuantum(opacity)), (double) (100.0*QuantumScale*PixelGetBlueQuantum(opacity)), (double) (100.0*QuantumScale*PixelGetOpacityQuantum(opacity))); PixelGetQuantumColor(colorize,&target); colorize_image=ColorizeImage(wand->images,percent_opaque,target, wand->exception); if (colorize_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,colorize_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C o m b i n e I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickCombineImages() combines one or more images into a single image. The % grayscale value of the pixels of each image in the sequence is assigned in % order to the specified hannels of the combined image. The typical % ordering would be image 1 => Red, 2 => Green, 3 => Blue, etc. % % The format of the MagickCombineImages method is: % % MagickWand *MagickCombineImages(MagickWand *wand, % const ChannelType channel) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The channel. % */ WandExport MagickWand *MagickCombineImages(MagickWand *wand, const ChannelType channel) { Image *combine_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return((MagickWand *) NULL); combine_image=CombineImages(wand->images,channel,wand->exception); if (combine_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,combine_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C o m m e n t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickCommentImage() adds a comment to your image. % % The format of the MagickCommentImage method is: % % MagickBooleanType MagickCommentImage(MagickWand *wand, % const char *comment) % % A description of each parameter follows: % % o wand: The magick wand. % % o comment: The image comment. % */ WandExport MagickBooleanType MagickCommentImage(MagickWand *wand, const char *comment) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=SetImageProperty(wand->images,"comment",comment); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C o m p a r e I m a g e C h a n n e l s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickCompareImageChannels() compares one or more image channels of an image % to a reconstructed image and returns the difference image. % % The format of the MagickCompareImageChannels method is: % % MagickWand *MagickCompareImageChannels(MagickWand *wand, % const MagickWand *reference,const ChannelType channel, % const MetricType metric,double *distortion) % % A description of each parameter follows: % % o wand: The magick wand. % % o reference: The reference wand. % % o channel: The channel. % % o metric: The metric. % % o distortion: The computed distortion between the images. % */ WandExport MagickWand *MagickCompareImageChannels(MagickWand *wand, const MagickWand *reference,const ChannelType channel,const MetricType metric, double *distortion) { Image *compare_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((MagickWand *) NULL); } compare_image=CompareImageChannels(wand->images,reference->images,channel, metric,distortion,&wand->images->exception); if (compare_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,compare_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C o m p a r e I m a g e L a y e r s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickCompareImageLayers() compares each image with the next in a sequence % and returns the maximum bounding region of any pixel differences it % discovers. % % The format of the MagickCompareImageLayers method is: % % MagickWand *MagickCompareImageLayers(MagickWand *wand, % const ImageLayerMethod method) % % A description of each parameter follows: % % o wand: The magick wand. % % o method: The compare method. % */ WandExport MagickWand *MagickCompareImageLayers(MagickWand *wand, const ImageLayerMethod method) { Image *layers_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return((MagickWand *) NULL); layers_image=CompareImageLayers(wand->images,method,wand->exception); if (layers_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,layers_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C o m p a r e I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickCompareImage() compares an image to a reconstructed image and returns % the specified difference image. % % The format of the MagickCompareImages method is: % % MagickWand *MagickCompareImages(MagickWand *wand, % const MagickWand *reference,const MetricType metric, % double *distortion) % % A description of each parameter follows: % % o wand: The magick wand. % % o reference: The reference wand. % % o metric: The metric. % % o distortion: The computed distortion between the images. % */ WandExport MagickWand *MagickCompareImages(MagickWand *wand, const MagickWand *reference,const MetricType metric,double *distortion) { Image *compare_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((MagickWand *) NULL); } compare_image=CompareImages(wand->images,reference->images,metric,distortion, &wand->images->exception); if (compare_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,compare_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C o m p o s i t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickCompositeImage() composite one image onto another at the specified % offset. % % The format of the MagickCompositeImage method is: % % MagickBooleanType MagickCompositeImage(MagickWand *wand, % const MagickWand *composite_wand,const CompositeOperator compose, % const long x,const long y) % MagickBooleanType MagickCompositeImageChannel(MagickWand *wand, % const ChannelType channel,const MagickWand *composite_wand, % const CompositeOperator compose,const long x,const long y) % % A description of each parameter follows: % % o wand: The magick wand. % % o composite_image: The composite image. % % o compose: This operator affects how the composite is applied to the % image. The default is Over. Choose from these operators: % % OverCompositeOp InCompositeOp OutCompositeOP % AtopCompositeOP XorCompositeOP PlusCompositeOP % MinusCompositeOP AddCompositeOP SubtractCompositeOP % DifferenceCompositeOP BumpmapCompositeOP CopyCompositeOP % DisplaceCompositeOP % % o x: The column offset of the composited image. % % o y: The row offset of the composited image. % % */ WandExport MagickBooleanType MagickCompositeImage(MagickWand *wand, const MagickWand *composite_wand,const CompositeOperator compose,const long x, const long y) { MagickBooleanType status; status=MagickCompositeImageChannel(wand,DefaultChannels,composite_wand, compose,x,y); return(status); } WandExport MagickBooleanType MagickCompositeImageChannel(MagickWand *wand, const ChannelType channel,const MagickWand *composite_wand, const CompositeOperator compose,const long x,const long y) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if ((wand->images == (Image *) NULL) || (composite_wand->images == (Image *) NULL)) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=CompositeImageChannel(wand->images,channel,compose, composite_wand->images,x,y); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C o n t r a s t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickContrastImage() enhances the intensity differences between the lighter % and darker elements of the image. Set sharpen to a value other than 0 to % increase the image contrast otherwise the contrast is reduced. % % The format of the MagickContrastImage method is: % % MagickBooleanType MagickContrastImage(MagickWand *wand, % const MagickBooleanType sharpen) % % A description of each parameter follows: % % o wand: The magick wand. % % o sharpen: Increase or decrease image contrast. % % */ WandExport MagickBooleanType MagickContrastImage(MagickWand *wand, const MagickBooleanType sharpen) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=ContrastImage(wand->images,sharpen); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C o n t r a s t S t r e t c h I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickContrastStretchImage() enhances the contrast of a color image by % adjusting the pixels color to span the entire range of colors available % % You can also reduce the influence of a particular channel with a gamma % value of 0. % % The format of the MagickContrastStretchImage method is: % % MagickBooleanType MagickContrastStretchImage(MagickWand *wand, % const double black_point,const double white_point) % MagickBooleanType MagickContrastStretchImageChannel(MagickWand *wand, % const ChannelType channel,const double black_point, % const double white_point) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o black_point: The black point. % % o white_point: The white point. % */ WandExport MagickBooleanType MagickContrastStretchImage(MagickWand *wand, const double black_point,const double white_point) { MagickBooleanType status; status=MagickContrastStretchImageChannel(wand,DefaultChannels,black_point, white_point); return(status); } WandExport MagickBooleanType MagickContrastStretchImageChannel(MagickWand *wand, const ChannelType channel,const double black_point,const double white_point) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=ContrastStretchImageChannel(wand->images,channel,black_point, white_point); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C o n v o l v e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickConvolveImage() applies a custom convolution kernel to the image. % % The format of the MagickConvolveImage method is: % % MagickBooleanType MagickConvolveImage(MagickWand *wand, % const unsigned long order,const double *kernel) % MagickBooleanType MagickConvolveImageChannel(MagickWand *wand, % const ChannelType channel,const unsigned long order, % const double *kernel) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o order: The number of columns and rows in the filter kernel. % % o kernel: An array of doubles representing the convolution kernel. % */ WandExport MagickBooleanType MagickConvolveImage(MagickWand *wand, const unsigned long order,const double *kernel) { MagickBooleanType status; status=MagickConvolveImageChannel(wand,DefaultChannels,order,kernel); return(status); } WandExport MagickBooleanType MagickConvolveImageChannel(MagickWand *wand, const ChannelType channel,const unsigned long order,const double *kernel) { Image *convolve_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (kernel == (const double *) NULL) return(MagickFalse); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); convolve_image=ConvolveImageChannel(wand->images,channel,order,kernel, wand->exception); if (convolve_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,convolve_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C r o p I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickCropImage() extracts a region of the image. % % The format of the MagickCropImage method is: % % MagickBooleanType MagickCropImage(MagickWand *wand, % const unsigned long width,const unsigned long height,const long x, % const long y) % % A description of each parameter follows: % % o wand: The magick wand. % % o width: The region width. % % o height: The region height. % % o x: The region x-offset. % % o y: The region y-offset. % */ WandExport MagickBooleanType MagickCropImage(MagickWand *wand, const unsigned long width,const unsigned long height,const long x, const long y) { Image *crop_image; RectangleInfo crop; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); crop.width=width; crop.height=height; crop.x=x; crop.y=y; crop_image=CropImage(wand->images,&crop,wand->exception); if (crop_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,crop_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C y c l e C o l o r m a p I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickCycleColormapImage() displaces an image's colormap by a given number % of positions. If you cycle the colormap a number of times you can produce % a psychodelic effect. % % The format of the MagickCycleColormapImage method is: % % MagickBooleanType MagickCycleColormapImage(MagickWand *wand, % const long displace) % % A description of each parameter follows: % % o wand: The magick wand. % % o pixel_wand: The pixel wand. % */ WandExport MagickBooleanType MagickCycleColormapImage(MagickWand *wand, const long displace) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=CycleColormapImage(wand->images,displace); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k C o n s t i t u t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickConstituteImage() adds an image to the wand comprised of the the pixel % data you supply. The pixel data must be in scanline order top-to-bottom. % The data can be char, short int, int, float, or double. Float and double % require the pixels to be normalized [0..1], otherwise [0..Max], where Max % is the maximum value the type can accomodate (e.g. 255 for char). For % example, to create a 640x480 image from unsigned red-green-blue character % data, use % % MagickConstituteImage(wand,640,640,"RGB",CharPixel,pixels); % % The format of the MagickConstituteImage method is: % % MagickBooleanType MagickConstituteImage(MagickWand *wand, % const unsigned long columns,const unsigned long rows,const char *map, % const StorageType storage,void *pixels) % % A description of each parameter follows: % % o wand: The magick wand. % % o columns: width in pixels of the image. % % o rows: height in pixels of the image. % % o map: This string reflects the expected ordering of the pixel array. % It can be any combination or order of R = red, G = green, B = blue, % A = alpha (0 is transparent), O = opacity (0 is opaque), C = cyan, % Y = yellow, M = magenta, K = black, I = intensity (for grayscale), % P = pad. % % o storage: Define the data type of the pixels. Float and double types are % expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from % these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel, % LongPixel, QuantumPixel, or ShortPixel. % % o pixels: This array of values contain the pixel components as defined by % map and type. You must preallocate this array where the expected % length varies depending on the values of width, height, map, and type. % % */ WandExport MagickBooleanType MagickConstituteImage(MagickWand *wand, const unsigned long columns,const unsigned long rows,const char *map, const StorageType storage,const void *pixels) { Image *images; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); images=ConstituteImage(columns,rows,map,storage,pixels,wand->exception); if (images == (Image *) NULL) return(MagickFalse); return(InsertImageInWand(wand,images)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k D e c o n s t r u c t I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickDeconstructImages() compares each image with the next in a sequence % and returns the maximum bounding region of any pixel differences it % discovers. % % The format of the MagickDeconstructImages method is: % % MagickWand *MagickDeconstructImages(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickWand *MagickDeconstructImages(MagickWand *wand) { Image *deconstruct_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return((MagickWand *) NULL); deconstruct_image=DeconstructImages(wand->images,wand->exception); if (deconstruct_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,deconstruct_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k D e s p e c k l e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickDespeckleImage() reduces the speckle noise in an image while % perserving the edges of the original image. % % The format of the MagickDespeckleImage method is: % % MagickBooleanType MagickDespeckleImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickDespeckleImage(MagickWand *wand) { Image *despeckle_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); despeckle_image=DespeckleImage(wand->images,wand->exception); if (despeckle_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,despeckle_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k D e s t r o y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickDestroyImage() dereferences an image, deallocating memory associated % with the image if the reference count becomes zero. % % The format of the MagickDestroyImage method is: % % Image *MagickDestroyImage(Image *image) % % A description of each parameter follows: % % o image: The image. % */ WandExport Image *MagickDestroyImage(Image *image) { return(DestroyImage(image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k D i s p l a y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickDisplayImage() displays an image. % % The format of the MagickDisplayImage method is: % % MagickBooleanType MagickDisplayImage(MagickWand *wand, % const char *server_name) % % A description of each parameter follows: % % o wand: The magick wand. % % o server_name: The X server name. % */ WandExport MagickBooleanType MagickDisplayImage(MagickWand *wand, const char *server_name) { Image *image; MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); if (image == (Image *) NULL) return(MagickFalse); (void) CloneString(&wand->image_info->server_name,server_name); status=DisplayImages(wand->image_info,image); if (status == MagickFalse) InheritException(wand->exception,&image->exception); image=DestroyImage(image); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k D i s p l a y I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickDisplayImages() displays an image or image sequence. % % The format of the MagickDisplayImages method is: % % MagickBooleanType MagickDisplayImages(MagickWand *wand, % const char *server_name) % % A description of each parameter follows: % % o wand: The magick wand. % % o server_name: The X server name. % */ WandExport MagickBooleanType MagickDisplayImages(MagickWand *wand, const char *server_name) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); (void) CloneString(&wand->image_info->server_name,server_name); status=DisplayImages(wand->image_info,wand->images); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k D i s t o r t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickDistortImage() distorts an image using various distortion methods, by % mapping color lookups of the source image to a new destination image % usally of the same size as the source image, unless 'bestfit' is set to % true. % % If 'bestfit' is enabled, and distortion allows it, the destination image is % adjusted to ensure the whole source 'image' will just fit within the final % destination image, which will be sized and offset accordingly. Also in % many cases the virtual offset of the source image will be taken into % account in the mapping. % % ArcDistortion will always ignore source image offset, and always 'bestfit' % the destination image with the top left corner offset relative to the polar % mapping center. % % Bilinear has no simple inverse mapping so will not allow 'bestfit' style % of image distortion. % % The format of the MagickDistortImage method is: % % MagickBooleanType MagickDistortImage(MagickWand *wand, % const DistortImageMethod method,const unsigned long number_args, % const double *arguments,const MagickBooleanType bestfit) % % A description of each parameter follows: % % o image: The image to be distorted. % % o method: The method of image distortion. % % o number_args: The number of arguments given for this distortion method. % % o bestfit: Attempt to resize destination to fit distorted source. % % o arguments: The arguments for this distortion method. % */ WandExport MagickBooleanType MagickDistortImage(MagickWand *wand, const DistortImageMethod method,const unsigned long number_args, const double *arguments,const MagickBooleanType bestfit) { Image *distort_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); distort_image=DistortImage(wand->images,method,number_args,arguments, bestfit,wand->exception); if (distort_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,distort_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k D r a w I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickDrawImage() renders the drawing wand on the current image. % % The format of the MagickDrawImage method is: % % MagickBooleanType MagickDrawImage(MagickWand *wand, % const DrawingWand *drawing_wand) % % A description of each parameter follows: % % o wand: The magick wand. % % o drawing_wand: The draw wand. % */ WandExport MagickBooleanType MagickDrawImage(MagickWand *wand, const DrawingWand *drawing_wand) { char *primitive; DrawInfo *draw_info; MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); draw_info=PeekDrawingWand(drawing_wand); if ((draw_info == (DrawInfo *) NULL) || (draw_info->primitive == (char *) NULL)) return(MagickFalse); primitive=AcquireString(draw_info->primitive); draw_info=DestroyDrawInfo(draw_info); draw_info=CloneDrawInfo(wand->image_info,(DrawInfo *) NULL); draw_info->primitive=primitive; status=DrawImage(wand->images,draw_info); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); draw_info=DestroyDrawInfo(draw_info); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k E d g e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickEdgeImage() enhance edges within the image with a convolution filter % of the given radius. Use a radius of 0 and Edge() selects a suitable % radius for you. % % The format of the MagickEdgeImage method is: % % MagickBooleanType MagickEdgeImage(MagickWand *wand,const double radius) % % A description of each parameter follows: % % o wand: The magick wand. % % o radius: the radius of the pixel neighborhood. % */ WandExport MagickBooleanType MagickEdgeImage(MagickWand *wand, const double radius) { Image *edge_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); edge_image=EdgeImage(wand->images,radius,wand->exception); if (edge_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,edge_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k E m b o s s I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickEmbossImage() returns a grayscale image with a three-dimensional % effect. We convolve the image with a Gaussian operator of the given radius % and standard deviation (sigma). For reasonable results, radius should be % larger than sigma. Use a radius of 0 and Emboss() selects a suitable % radius for you. % % The format of the MagickEmbossImage method is: % % MagickBooleanType MagickEmbossImage(MagickWand *wand,const double radius, % const double sigma) % % A description of each parameter follows: % % o wand: The magick wand. % % o radius: The radius of the Gaussian, in pixels, not counting the center % pixel. % % o sigma: The standard deviation of the Gaussian, in pixels. % */ WandExport MagickBooleanType MagickEmbossImage(MagickWand *wand, const double radius,const double sigma) { Image *emboss_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); emboss_image=EmbossImage(wand->images,radius,sigma,wand->exception); if (emboss_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,emboss_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k E n h a n c e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickEnhanceImage() applies a digital filter that improves the quality of a % noisy image. % % The format of the MagickEnhanceImage method is: % % MagickBooleanType MagickEnhanceImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickEnhanceImage(MagickWand *wand) { Image *enhance_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); enhance_image=EnhanceImage(wand->images,wand->exception); if (enhance_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,enhance_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k E q u a l i z e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickEqualizeImage() equalizes the image histogram. % % The format of the MagickEqualizeImage method is: % % MagickBooleanType MagickEqualizeImage(MagickWand *wand) % MagickBooleanType MagickEqualizeImageChannel(MagickWand *wand, % const ChannelType channel) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % */ WandExport MagickBooleanType MagickEqualizeImage(MagickWand *wand) { MagickBooleanType status; status=MagickEqualizeImageChannel(wand,DefaultChannels); return(status); } WandExport MagickBooleanType MagickEqualizeImageChannel(MagickWand *wand, const ChannelType channel) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=EqualizeImageChannel(wand->images,channel); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k E v a l u a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickEvaluateImage() applys an arithmetic, relational, or logical % expression to an image. Use these operators to lighten or darken an image, % to increase or decrease contrast in an image, or to produce the "negative" % of an image. % % The format of the MagickEvaluateImage method is: % % MagickBooleanType MagickEvaluateImage(MagickWand *wand, % const MagickEvaluateOperator op,const double constant) % MagickBooleanType MagickEvaluateImageChannel(MagickWand *wand, % const MagickEvaluateOperator op,const double constant) % % A description of each parameter follows: % % o wand: The magick wand. % % o op: A channel operator. % % o constant: A constant value. % */ WandExport MagickBooleanType MagickEvaluateImage(MagickWand *wand, const MagickEvaluateOperator op,const double constant) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=EvaluateImage(wand->images,op,constant,&wand->images->exception); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } WandExport MagickBooleanType MagickEvaluateImageChannel(MagickWand *wand, const ChannelType channel,const MagickEvaluateOperator op, const double constant) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=EvaluateImageChannel(wand->images,channel,op,constant, &wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k E x t e n t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickExtentImage() extends the image as defined by the geometry, gravity, % and wand background color. Set the (x,y) offset of the geometry to move % the original wand relative to the extended wand. % % The format of the MagickExtentImage method is: % % MagickBooleanType MagickExtentImage(MagickWand *wand, % const unsigned long width,const unsigned long height,const long x, % const long y) % % A description of each parameter follows: % % o wand: The magick wand. % % o width: The region width. % % o height: The region height. % % o x: The region x offset. % % o y: The region y offset. % */ WandExport MagickBooleanType MagickExtentImage(MagickWand *wand, const unsigned long width,const unsigned long height,const long x, const long y) { Image *extent_image; RectangleInfo extent; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); extent.width=width; extent.height=height; extent.x=x; extent.y=y; extent_image=ExtentImage(wand->images,&extent,wand->exception); if (extent_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,extent_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k F l i p I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickFlipImage() creates a vertical mirror image by reflecting the pixels % around the central x-axis. % % The format of the MagickFlipImage method is: % % MagickBooleanType MagickFlipImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickFlipImage(MagickWand *wand) { Image *flip_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); flip_image=FlipImage(wand->images,wand->exception); if (flip_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,flip_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k F l o p I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickFlopImage() creates a horizontal mirror image by reflecting the pixels % around the central y-axis. % % The format of the MagickFlopImage method is: % % MagickBooleanType MagickFlopImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickFlopImage(MagickWand *wand) { Image *flop_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); flop_image=FlopImage(wand->images,wand->exception); if (flop_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,flop_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k F r a m e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickFrameImage() adds a simulated three-dimensional border around the % image. The width and height specify the border width of the vertical and % horizontal sides of the frame. The inner and outer bevels indicate the % width of the inner and outer shadows of the frame. % % The format of the MagickFrameImage method is: % % MagickBooleanType MagickFrameImage(MagickWand *wand, % const PixelWand *matte_color,const unsigned long width, % const unsigned long height,const long inner_bevel, % const long outer_bevel) % % A description of each parameter follows: % % o wand: The magick wand. % % o matte_color: The frame color pixel wand. % % o width: The border width. % % o height: The border height. % % o inner_bevel: The inner bevel width. % % o outer_bevel: The outer bevel width. % */ WandExport MagickBooleanType MagickFrameImage(MagickWand *wand, const PixelWand *matte_color,const unsigned long width, const unsigned long height,const long inner_bevel,const long outer_bevel) { Image *frame_image; FrameInfo frame_info; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); (void) ResetMagickMemory(&frame_info,0,sizeof(frame_info)); frame_info.width=wand->images->columns+2*width; frame_info.height=wand->images->rows+2*height; frame_info.x=(long) width; frame_info.y=(long) height; frame_info.inner_bevel=inner_bevel; frame_info.outer_bevel=outer_bevel; PixelGetQuantumColor(matte_color,&wand->images->matte_color); frame_image=FrameImage(wand->images,&frame_info,wand->exception); if (frame_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,frame_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k F x I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickFxImage() evaluate expression for each pixel in the image. % % The format of the MagickFxImage method is: % % MagickWand *MagickFxImage(MagickWand *wand,const char *expression) % MagickWand *MagickFxImageChannel(MagickWand *wand, % const ChannelType channel,const char *expression) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o expression: The expression. % */ WandExport MagickWand *MagickFxImage(MagickWand *wand,const char *expression) { MagickWand *fx_wand; fx_wand=MagickFxImageChannel(wand,DefaultChannels,expression); return(fx_wand); } WandExport MagickWand *MagickFxImageChannel(MagickWand *wand, const ChannelType channel,const char *expression) { Image *fx_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return((MagickWand *) NULL); fx_image=FxImageChannel(wand->images,channel,expression,wand->exception); if (fx_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,fx_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G a m m a I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGammaImage() gamma-corrects an image. The same image viewed on % different devices will have perceptual differences in the way the image's % intensities are represented on the screen. Specify individual gamma levels % for the red, green, and blue channels, or adjust all three with the gamma % parameter. Values typically range from 0.8 to 2.3. % % You can also reduce the influence of a particular channel with a gamma % value of 0. % % The format of the MagickGammaImage method is: % % MagickBooleanType MagickGammaImage(MagickWand *wand,const double gamma) % MagickBooleanType MagickGammaImageChannel(MagickWand *wand, % const ChannelType channel,const double gamma) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The channel. % % o level: Define the level of gamma correction. % */ WandExport MagickBooleanType MagickGammaImage(MagickWand *wand, const double gamma) { MagickBooleanType status; status=MagickGammaImageChannel(wand,DefaultChannels,gamma); return(status); } WandExport MagickBooleanType MagickGammaImageChannel(MagickWand *wand, const ChannelType channel,const double gamma) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=GammaImageChannel(wand->images,channel,gamma); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G a u s s i a n B l u r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGaussianBlurImage() blurs an image. We convolve the image with a % Gaussian operator of the given radius and standard deviation (sigma). % For reasonable results, the radius should be larger than sigma. Use a % radius of 0 and MagickGaussianBlurImage() selects a suitable radius for you. % % The format of the MagickGaussianBlurImage method is: % % MagickBooleanType MagickGaussianBlurImage(MagickWand *wand, % const double radius,const double sigma) % MagickBooleanType MagickGaussianBlurImageChannel(MagickWand *wand, % const ChannelType channel,const double radius,const double sigma) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o radius: The radius of the Gaussian, in pixels, not counting the center % pixel. % % o sigma: The standard deviation of the Gaussian, in pixels. % */ WandExport MagickBooleanType MagickGaussianBlurImage(MagickWand *wand, const double radius,const double sigma) { MagickBooleanType status; status=MagickGaussianBlurImageChannel(wand,DefaultChannels,radius,sigma); return(status); } WandExport MagickBooleanType MagickGaussianBlurImageChannel(MagickWand *wand, const ChannelType channel,const double radius,const double sigma) { Image *blur_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); blur_image=GaussianBlurImageChannel(wand->images,channel,radius,sigma, wand->exception); if (blur_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,blur_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImage() gets the image at the current image index. % % The format of the MagickGetImage method is: % % MagickWand *MagickGetImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickWand *MagickGetImage(MagickWand *wand) { Image *image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((MagickWand *) NULL); } image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); if (image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e C l i p M a s k % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageClipMask() gets the image clip mask at the current image index. % % The format of the MagickGetImageClipMask method is: % % MagickWand *MagickGetImageClipMask(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickWand *MagickGetImageClipMask(MagickWand *wand) { Image *image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((MagickWand *) NULL); } image=GetImageClipMask(wand->images,wand->exception); if (image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e R e g i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageRegion() extracts a region of the image and returns it as a % a new wand. % % The format of the MagickGetImageRegion method is: % % MagickWand *MagickGetImageRegion(MagickWand *wand, % const unsigned long width,const unsigned long height,const long x, % const long y) % % A description of each parameter follows: % % o wand: The magick wand. % % o width: The region width. % % o height: The region height. % % o x: The region x offset. % % o y: The region y offset. % */ WandExport MagickWand *MagickGetImageRegion(MagickWand *wand, const unsigned long width,const unsigned long height,const long x, const long y) { Image *region_image; RectangleInfo region; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return((MagickWand *) NULL); region.width=width; region.height=height; region.x=x; region.y=y; region_image=CropImage(wand->images,®ion,wand->exception); if (region_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,region_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e B a c k g r o u n d C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageBackgroundColor() returns the image background color. % % The format of the MagickGetImageBackgroundColor method is: % % MagickBooleanType MagickGetImageBackgroundColor(MagickWand *wand, % PixelWand *background_color) % % A description of each parameter follows: % % o wand: The magick wand. % % o background_color: Return the background color. % */ WandExport MagickBooleanType MagickGetImageBackgroundColor(MagickWand *wand, PixelWand *background_color) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); PixelSetQuantumColor(background_color,&wand->images->background_color); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e B l o b % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageBlob() implements direct to memory image formats. It % returns the image as a blob and its length. Use MagickSetFormat() to % set the format of the returned blob (GIF, JPEG, PNG, etc.). % % Use MagickRelinquishMemory() to free the blob when you are done with it. % % The format of the MagickGetImageBlob method is: % % unsigned char *MagickGetImageBlob(MagickWand *wand,size_t *length) % % A description of each parameter follows: % % o wand: The magick wand. % % o length: The length of the blob. % */ WandExport unsigned char *MagickGetImageBlob(MagickWand *wand,size_t *length) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((unsigned char *) NULL); } return(ImageToBlob(wand->image_info,wand->images,length,wand->exception)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e s B l o b % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageBlob() implements direct to memory image formats. It % returns the image sequence as a blob and its length. The format of the image % determines the format of the returned blob (GIF, JPEG, PNG, etc.). To % return a different image format, use MagickSetImageFormat(). % % Note, some image formats do not permit multiple images to the same image % stream (e.g. JPEG). in this instance, just the first image of the % sequence is returned as a blob. % % The format of the MagickGetImagesBlob method is: % % unsigned char *MagickGetImagesBlob(MagickWand *wand,size_t *length) % % A description of each parameter follows: % % o wand: The magick wand. % % o length: The length of the blob. % */ WandExport unsigned char *MagickGetImagesBlob(MagickWand *wand,size_t *length) { unsigned char *blob; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((unsigned char *) NULL); } blob=ImagesToBlob(wand->image_info,GetFirstImageInList(wand->images),length, wand->exception); return(blob); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e B l u e P r i m a r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageBluePrimary() returns the chromaticy blue primary point for the % image. % % The format of the MagickGetImageBluePrimary method is: % % MagickBooleanType MagickGetImageBluePrimary(MagickWand *wand,double *x, % double *y) % % A description of each parameter follows: % % o wand: The magick wand. % % o x: The chromaticity blue primary x-point. % % o y: The chromaticity blue primary y-point. % */ WandExport MagickBooleanType MagickGetImageBluePrimary(MagickWand *wand, double *x,double *y) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); *x=wand->images->chromaticity.blue_primary.x; *y=wand->images->chromaticity.blue_primary.y; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e B o r d e r C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageBorderColor() returns the image border color. % % The format of the MagickGetImageBorderColor method is: % % MagickBooleanType MagickGetImageBorderColor(MagickWand *wand, % PixelWand *border_color) % % A description of each parameter follows: % % o wand: The magick wand. % % o border_color: Return the border color. % */ WandExport MagickBooleanType MagickGetImageBorderColor(MagickWand *wand, PixelWand *border_color) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); PixelSetQuantumColor(border_color,&wand->images->border_color); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e C h a n n e l D e p t h % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageChannelDepth() gets the depth for a particular image channel. % % The format of the MagickGetImageChannelDepth method is: % % unsigned long MagickGetImageChannelDepth(MagickWand *wand, % const ChannelType channel) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % */ WandExport unsigned long MagickGetImageChannelDepth(MagickWand *wand, const ChannelType channel) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(GetImageChannelDepth(wand->images,channel,wand->exception)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e C h a n n e l D i s t o r t i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageChannelDistortion() compares one or more image channels of an % image to a reconstructed image and returns the specified distortion metric. % % The format of the MagickGetImageChannelDistortion method is: % % MagickBooleanType MagickGetImageChannelDistortion(MagickWand *wand, % const MagickWand *reference,const ChannelType channel, % const MetricType metric,double *distortion) % % A description of each parameter follows: % % o wand: The magick wand. % % o reference: The reference wand. % % o channel: The channel. % % o metric: The metric. % % o distortion: The computed distortion between the images. % */ WandExport MagickBooleanType MagickGetImageChannelDistortion(MagickWand *wand, const MagickWand *reference,const ChannelType channel,const MetricType metric, double *distortion) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=GetImageChannelDistortion(wand->images,reference->images,channel, metric,distortion,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e C h a n n e l M e a n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageChannelMean() gets the mean and standard deviation of one or % more image channels. % % The format of the MagickGetImageChannelMean method is: % % MagickBooleanType MagickGetImageChannelMean(MagickWand *wand, % const ChannelType channel,double *mean,double *standard_deviation) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o mean: The mean pixel value for the specified channel(s). % % o standard_deviation: The standard deviation for the specified channel(s). % */ WandExport MagickBooleanType MagickGetImageChannelMean(MagickWand *wand, const ChannelType channel,double *mean,double *standard_deviation) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=GetImageChannelMean(wand->images,channel,mean,standard_deviation, wand->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e C h a n n e l R a n g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageChannelRange() gets the range for one or more image channels. % % The format of the MagickGetImageChannelRange method is: % % MagickBooleanType MagickGetImageChannelRange(MagickWand *wand, % const ChannelType channel,double *minima,double *maxima) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o minima: The minimum pixel value for the specified channel(s). % % o maxima: The maximum pixel value for the specified channel(s). % */ WandExport MagickBooleanType MagickGetImageChannelRange(MagickWand *wand, const ChannelType channel,double *minima,double *maxima) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=GetImageChannelRange(wand->images,channel,minima,maxima, wand->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e C h a n n e l S t a t i s t i c s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageChannelStatistics() returns statistics for each channel in the % image. The statistics incude the channel depth, its minima and % maxima, the mean, and the standard deviation. You can access the red % channel mean, for example, like this: % % channel_statistics=MagickGetImageChannelStatistics(image,excepton); % red_mean=channel_statistics[RedChannel].mean; % % Use MagickRelinquishMemory() to free the statistics buffer. % % The format of the MagickGetImageChannelStatistics method is: % % ChannelStatistics *MagickGetImageChannelStatistics(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport ChannelStatistics *MagickGetImageChannelStatistics(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((ChannelStatistics *) NULL); } return(GetImageChannelStatistics(wand->images,wand->exception)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e C o l o r m a p C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageColormapColor() returns the color of the specified colormap % index. % % The format of the MagickGetImageColormapColor method is: % % MagickBooleanType MagickGetImageColormapColor(MagickWand *wand, % const unsigned long index,PixelWand *color) % % A description of each parameter follows: % % o wand: The magick wand. % % o index: The offset into the image colormap. % % o color: Return the colormap color in this wand. % */ WandExport MagickBooleanType MagickGetImageColormapColor(MagickWand *wand, const unsigned long index,PixelWand *color) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); if ((wand->images->colormap == (PixelPacket *) NULL) || (index >= wand->images->colors)) { char *message; message=GetExceptionMessage(errno); (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "InvalidColormapIndex","`%s'",message); message=DestroyString(message); } PixelSetQuantumColor(color,wand->images->colormap+index); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e C o l o r s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageColors() gets the number of unique colors in the image. % % The format of the MagickGetImageColors method is: % % unsigned long MagickGetImageColors(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport unsigned long MagickGetImageColors(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return(0); } return(GetNumberColors(wand->images,(FILE *) NULL,wand->exception)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e C o l o r s p a c e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageColorspace() gets the image colorspace. % % The format of the MagickGetImageColorspace method is: % % ColorspaceType MagickGetImageColorspace(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport ColorspaceType MagickGetImageColorspace(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return(UndefinedColorspace); } return(wand->images->colorspace); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e C o m p o s e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageCompose() returns the composite operator associated with the % image. % % The format of the MagickGetImageCompose method is: % % CompositeOperator MagickGetImageCompose(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport CompositeOperator MagickGetImageCompose(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return(UndefinedCompositeOp); } return(wand->images->compose); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e C o m p r e s s i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageCompression() gets the image compression. % % The format of the MagickGetImageCompression method is: % % CompressionType MagickGetImageCompression(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport CompressionType MagickGetImageCompression(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return(UndefinedCompression); } return(wand->images->compression); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e C o m p r e s s i o n Q u a l i t y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageCompression() gets the image compression quality. % % The format of the MagickGetImageCompression method is: % % unsigned long MagickGetImageCompression(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport unsigned long MagickGetImageCompressionQuality(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return(0UL); } return(wand->images->quality); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e D e l a y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageDelay() gets the image delay. % % The format of the MagickGetImageDelay method is: % % unsigned long MagickGetImageDelay(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport unsigned long MagickGetImageDelay(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(wand->images->delay); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e D e p t h % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageDepth() gets the image depth. % % The format of the MagickGetImageDepth method is: % % unsigned long MagickGetImageDepth(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport unsigned long MagickGetImageDepth(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(GetImageDepth(wand->images,wand->exception)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e D i s t o r t i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageDistortion() compares an image to a reconstructed image and % returns the specified distortion metric. % % The format of the MagickGetImageDistortion method is: % % MagickBooleanType MagickGetImageDistortion(MagickWand *wand, % const MagickWand *reference,const MetricType metric, % double *distortion) % % A description of each parameter follows: % % o wand: The magick wand. % % o reference: The reference wand. % % o metric: The metric. % % o distortion: The computed distortion between the images. % */ WandExport MagickBooleanType MagickGetImageDistortion(MagickWand *wand, const MagickWand *reference,const MetricType metric,double *distortion) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if ((wand->images == (Image *) NULL) || (reference->images == (Image *) NULL)) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=GetImageDistortion(wand->images,reference->images,metric,distortion, &wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e D i s p o s e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageDispose() gets the image disposal method. % % The format of the MagickGetImageDispose method is: % % DisposeType MagickGetImageDispose(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport DisposeType MagickGetImageDispose(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return(UndefinedDispose); } return((DisposeType) wand->images->dispose); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e F i l e n a m e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageFilename() returns the filename of a particular image in a % sequence. % % The format of the MagickGetImageFilename method is: % % char *MagickGetImageFilename(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport char *MagickGetImageFilename(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((char *) NULL); } return(AcquireString(wand->images->filename)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e F o r m a t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageFormat() returns the format of a particular image in a % sequence. % % The format of the MagickGetImageFormat method is: % % const char MagickGetImageFormat(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport char *MagickGetImageFormat(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((char *) NULL); } return(AcquireString(wand->images->magick)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e G a m m a % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageGamma() gets the image gamma. % % The format of the MagickGetImageGamma method is: % % double MagickGetImageGamma(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport double MagickGetImageGamma(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return(0.0); } return(wand->images->gamma); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e G r e e n P r i m a r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageGreenPrimary() returns the chromaticy green primary point. % % The format of the MagickGetImageGreenPrimary method is: % % MagickBooleanType MagickGetImageGreenPrimary(MagickWand *wand,double *x, % double *y) % % A description of each parameter follows: % % o wand: The magick wand. % % o x: The chromaticity green primary x-point. % % o y: The chromaticity green primary y-point. % */ WandExport MagickBooleanType MagickGetImageGreenPrimary(MagickWand *wand, double *x,double *y) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); *x=wand->images->chromaticity.green_primary.x; *y=wand->images->chromaticity.green_primary.y; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e H e i g h t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageHeight() returns the image height. % % The format of the MagickGetImageHeight method is: % % unsigned long MagickGetImageHeight(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport unsigned long MagickGetImageHeight(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(wand->images->rows); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e H i s t o g r a m % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageHistogram() returns the image histogram as an array of % PixelWand wands. % % The format of the MagickGetImageHistogram method is: % % PixelWand *MagickGetImageHistogram(MagickWand *wand, % unsigned long *number_colors) % % A description of each parameter follows: % % o wand: The magick wand. % % o number_colors: The number of unique colors in the image and the number % of pixel wands returned. % */ WandExport PixelWand **MagickGetImageHistogram(MagickWand *wand, unsigned long *number_colors) { ColorPacket *histogram; PixelWand **pixel_wands; register long i; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((PixelWand **) NULL); } histogram=GetImageHistogram(wand->images,number_colors,wand->exception); if (histogram == (ColorPacket *) NULL) return((PixelWand **) NULL); pixel_wands=NewPixelWands(*number_colors); for (i=0; i < (long) *number_colors; i++) { PixelSetQuantumColor(pixel_wands[i],&histogram[i].pixel); PixelSetIndex(pixel_wands[i],histogram[i].index); PixelSetColorCount(pixel_wands[i],(unsigned long) histogram[i].count); } histogram=(ColorPacket *) RelinquishMagickMemory(histogram); return(pixel_wands); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e I n t e r l a c e S c h e m e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageInterlaceScheme() gets the image interlace scheme. % % The format of the MagickGetImageInterlaceScheme method is: % % InterlaceType MagickGetImageInterlaceScheme(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport InterlaceType MagickGetImageInterlaceScheme(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return(UndefinedInterlace); } return(wand->images->interlace); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e I n t e r p o l a t e M e t h o d % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageInterpolateMethod() returns the interpolation method for the % sepcified image. % % The format of the MagickGetImageInterpolateMethod method is: % % InterpolatePixelMethod MagickGetImageInterpolateMethod(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport InterpolatePixelMethod MagickGetImageInterpolateMethod( MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return(UndefinedInterpolatePixel); } return(wand->images->interpolate); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e I t e r a t i o n s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageIterations() gets the image iterations. % % The format of the MagickGetImageIterations method is: % % unsigned long MagickGetImageIterations(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport unsigned long MagickGetImageIterations(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(wand->images->iterations); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e L e n g t h % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageLength() returns the image length in bytes. % % The format of the MagickGetImageLength method is: % % MagickBooleanType MagickGetImageLength(MagickWand *wand, % MagickSizeType *length) % % A description of each parameter follows: % % o wand: The magick wand. % % o length: The image length in bytes. % */ WandExport MagickBooleanType MagickGetImageLength(MagickWand *wand, MagickSizeType *length) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); *length=GetBlobSize(wand->images); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e I t e r a t i o n s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageMatte() returns MagickTrue if the image has a matte channel % otherwise MagickFalse. % % The format of the MagickGetImageMatte method is: % % unsigned long MagickGetImageMatte(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickGetImageMatte(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(wand->images->matte); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e M a t t e C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageMatteColor() returns the image matte color. % % The format of the MagickGetImageMatteColor method is: % % MagickBooleanType MagickGetImagematteColor(MagickWand *wand, % PixelWand *matte_color) % % A description of each parameter follows: % % o wand: The magick wand. % % o matte_color: Return the matte color. % */ WandExport MagickBooleanType MagickGetImageMatteColor(MagickWand *wand, PixelWand *matte_color) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); PixelSetQuantumColor(matte_color,&wand->images->matte_color); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e O r i e n t a t i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageOrientation() returns the image orientation. % % The format of the MagickGetImageOrientation method is: % % OrientationType MagickGetImageOrientation(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport OrientationType MagickGetImageOrientation(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return(UndefinedOrientation); } return(wand->images->orientation); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e P a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImagePage() returns the page geometry associated with the image. % % The format of the MagickGetImagePage method is: % % MagickBooleanType MagickGetImagePage(MagickWand *wand, % unsigned long *width,unsigned long *height,long *x,long *y) % % A description of each parameter follows: % % o wand: The magick wand. % % o width: The page width. % % o height: The page height. % % o x: The page x-offset. % % o y: The page y-offset. % */ WandExport MagickBooleanType MagickGetImagePage(MagickWand *wand, unsigned long *width,unsigned long *height,long *x,long *y) { assert(wand != (const MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); *width=wand->images->page.width; *height=wand->images->page.height; *x=wand->images->page.x; *y=wand->images->page.y; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e P i x e l C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImagePixelColor() returns the color of the specified pixel. % % The format of the MagickGetImagePixelColor method is: % % MagickBooleanType MagickGetImagePixelColor(MagickWand *wand, % const long x,const long y,PixelWand *color) % % A description of each parameter follows: % % o wand: The magick wand. % % o x,y: The pixel offset into the image. % % o color: Return the colormap color in this wand. % */ WandExport MagickBooleanType MagickGetImagePixelColor(MagickWand *wand, const long x,const long y,PixelWand *color) { IndexPacket *indexes; register const PixelPacket *p; ViewInfo *image_view; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); image_view=OpenCacheView(wand->images); p=AcquireCacheViewPixels(image_view,x,y,1,1,wand->exception); if (p == (const PixelPacket *) NULL) { image_view=CloseCacheView(image_view); return(MagickFalse); } indexes=GetCacheViewIndexes(image_view); PixelSetQuantumColor(color,p); if (GetCacheViewColorspace(image_view) == CMYKColorspace) PixelSetBlackQuantum(color,*indexes); else if (GetCacheViewStorageClass(image_view) == PseudoClass) PixelSetIndex(color,*indexes); image_view=CloseCacheView(image_view); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e P i x e l s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImagePixels() extracts pixel data from an image and returns it to % you. The method returns MagickTrue on success otherwise MagickFalse if an % error is encountered. The data is returned as char, short int, int, long, % float, or double in the order specified by map. % % Suppose you want to extract the first scanline of a 640x480 image as % character data in red-green-blue order: % % MagickGetImagePixels(wand,0,0,640,1,"RGB",CharPixel,pixels); % % The format of the MagickGetImagePixels method is: % % MagickBooleanType MagickGetImagePixels(MagickWand *wand, % const long x,const long y,const unsigned long columns, % const unsigned long rows,const char *map,const StorageType storage, % void *pixels) % % A description of each parameter follows: % % o wand: The magick wand. % % o x, y, columns, rows: These values define the perimeter % of a region of pixels you want to extract. % % o map: This string reflects the expected ordering of the pixel array. % It can be any combination or order of R = red, G = green, B = blue, % A = alpha (0 is transparent), O = opacity (0 is opaque), C = cyan, % Y = yellow, M = magenta, K = black, I = intensity (for grayscale), % P = pad. % % o storage: Define the data type of the pixels. Float and double types are % expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from % these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel, % LongPixel, QuantumPixel, or ShortPixel. % % o pixels: This array of values contain the pixel components as defined by % map and type. You must preallocate this array where the expected % length varies depending on the values of width, height, map, and type. % % */ WandExport MagickBooleanType MagickGetImagePixels(MagickWand *wand, const long x,const long y,const unsigned long columns, const unsigned long rows,const char *map,const StorageType storage, void *pixels) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=ExportImagePixels(wand->images,x,y,columns,rows,map, storage,pixels,wand->exception); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % + M a g i c k G e t I m a g e R a n g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageRange() gets the pixel range for the image. % % The format of the MagickGetImageRange method is: % % MagickBooleanType MagickGetImageRange(MagickWand *wand,double *minima, % double *maxima) % % A description of each parameter follows: % % o wand: The magick wand. % % o minima: The minimum pixel value for the specified channel(s). % % o maxima: The maximum pixel value for the specified channel(s). % */ WandExport MagickBooleanType MagickGetImageRange(MagickWand *wand, double *minima,double *maxima) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=GetImageRange(wand->images,minima,maxima,wand->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e R e d P r i m a r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageRedPrimary() returns the chromaticy red primary point. % % The format of the MagickGetImageRedPrimary method is: % % MagickBooleanType MagickGetImageRedPrimary(MagickWand *wand,double *x, % double *y) % % A description of each parameter follows: % % o wand: The magick wand. % % o x: The chromaticity red primary x-point. % % o y: The chromaticity red primary y-point. % */ WandExport MagickBooleanType MagickGetImageRedPrimary(MagickWand *wand, double *x,double *y) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); *x=wand->images->chromaticity.red_primary.x; *y=wand->images->chromaticity.red_primary.y; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e R e n d e r i n g I n t e n t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageRenderingIntent() gets the image rendering intent. % % The format of the MagickGetImageRenderingIntent method is: % % RenderingIntent MagickGetImageRenderingIntent(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport RenderingIntent MagickGetImageRenderingIntent(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return(UndefinedIntent); } return((RenderingIntent) wand->images->rendering_intent); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e R e s o l u t i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageResolution() gets the image X and Y resolution. % % The format of the MagickGetImageResolution method is: % % MagickBooleanType MagickGetImageResolution(MagickWand *wand,double *x, % double *y) % % A description of each parameter follows: % % o wand: The magick wand. % % o x: The image x-resolution. % % o y: The image y-resolution. % */ WandExport MagickBooleanType MagickGetImageResolution(MagickWand *wand, double *x,double *y) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); *x=wand->images->x_resolution; *y=wand->images->y_resolution; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e S c e n e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageScene() gets the image scene. % % The format of the MagickGetImageScene method is: % % unsigned long MagickGetImageScene(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport unsigned long MagickGetImageScene(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(wand->images->scene); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e S i g n a t u r e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageSignature() generates an SHA-256 message digest for the image % pixel stream. % % The format of the MagickGetImageSignature method is: % % const char MagickGetImageSignature(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport char *MagickGetImageSignature(MagickWand *wand) { const char *value; MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((char *) NULL); } status=SignatureImage(wand->images); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); value=GetImageProperty(wand->images,"signature"); if (value != (const char *) NULL) return(AcquireString(value)); InheritException(wand->exception,&wand->images->exception); return((char *) NULL); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e T i c k s P e r S e c o n d % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageTicksPerSecond() gets the image ticks-per-second. % % The format of the MagickGetImageTicksPerSecond method is: % % unsigned long MagickGetImageTicksPerSecond(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport unsigned long MagickGetImageTicksPerSecond(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(1UL*wand->images->ticks_per_second); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e T y p e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageType() gets the potential image type: % % Bilevel Grayscale GrayscaleMatte % Palette PaletteMatte TrueColor % TrueColorMatte ColorSeparation ColorSeparationMatte % % To ensure the image type matches its potential, use MagickSetImageType(): % % (void) MagickSetImageType(wand,MagickGetImageType(wand)); % % The format of the MagickGetImageType method is: % % ImageType MagickGetImageType(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport ImageType MagickGetImageType(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return(UndefinedType); } return(GetImageType(wand->images,wand->exception)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e U n i t s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageUnits() gets the image units of resolution. % % The format of the MagickGetImageUnits method is: % % ResolutionType MagickGetImageUnits(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport ResolutionType MagickGetImageUnits(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return(UndefinedResolution); } return(wand->images->units); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k 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 % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageVirtualPixelMethod() returns the virtual pixel method for the % sepcified image. % % The format of the MagickGetImageVirtualPixelMethod method is: % % VirtualPixelMethod MagickGetImageVirtualPixelMethod(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport VirtualPixelMethod MagickGetImageVirtualPixelMethod(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return(UndefinedVirtualPixelMethod); } return(GetImageVirtualPixelMethod(wand->images)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e W h i t e P o i n t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageWhitePoint() returns the chromaticy white point. % % The format of the MagickGetImageWhitePoint method is: % % MagickBooleanType MagickGetImageWhitePoint(MagickWand *wand,double *x, % double *y) % % A description of each parameter follows: % % o wand: The magick wand. % % o x: The chromaticity white x-point. % % o y: The chromaticity white y-point. % */ WandExport MagickBooleanType MagickGetImageWhitePoint(MagickWand *wand, double *x,double *y) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); *x=wand->images->chromaticity.white_point.x; *y=wand->images->chromaticity.white_point.y; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t I m a g e W i d t h % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageWidth() returns the image width. % % The format of the MagickGetImageWidth method is: % % unsigned long MagickGetImageWidth(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport unsigned long MagickGetImageWidth(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(wand->images->columns); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k G e t N u m b e r I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetNumberImages() returns the number of images associated with a % magick wand. % % The format of the MagickGetNumberImages method is: % % unsigned long MagickGetNumberImages(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport unsigned long MagickGetNumberImages(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); return(GetImageListLength(wand->images)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k I m a g e G e t T o t a l I n k D e n s i t y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickGetImageTotalInkDensity() gets the image total ink density. % % The format of the MagickGetImageTotalInkDensity method is: % % double MagickGetImageTotalInkDensity(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport double MagickGetImageTotalInkDensity(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return(0.0); } return(GetImageTotalInkDensity(wand->images)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k H a s N e x t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickHasNextImage() returns MagickTrue if the wand has more images when % traversing the list in the forward direction % % The format of the MagickHasNextImage method is: % % MagickBooleanType MagickHasNextImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickHasNextImage(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); if (GetNextImageInList(wand->images) == (Image *) NULL) return(MagickFalse); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k H a s P r e v i o u s I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickHasPreviousImage() returns MagickTrue if the wand has more images when % traversing the list in the reverse direction % % The format of the MagickHasPreviousImage method is: % % MagickBooleanType MagickHasPreviousImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickHasPreviousImage(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); if (GetPreviousImageInList(wand->images) == (Image *) NULL) return(MagickFalse); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k I d e n t i f y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickIdentifyImage() identifies an image by printing its attributes to the % file. Attributes include the image width, height, size, and others. % % The format of the MagickIdentifyImage method is: % % const char *MagickIdentifyImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport char *MagickIdentifyImage(MagickWand *wand) { char *description, filename[MaxTextExtent]; FILE *file; int unique_file; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((char *) NULL); } description=(char *) NULL; unique_file=AcquireUniqueFileResource(filename); file=(FILE *) NULL; if (unique_file != -1) file=fdopen(unique_file,"wb"); if ((unique_file == -1) || (file == (FILE *) NULL)) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "UnableToCreateTemporaryFile","`%s'",wand->name); return((char *) NULL); } (void) IdentifyImage(wand->images,file,MagickTrue); (void) fclose(file); description=FileToString(filename,~0,wand->exception); (void) RelinquishUniqueFileResource(filename); return(description); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k I m p l o d e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickImplodeImage() creates a new image that is a copy of an existing % one with the image pixels "implode" by the specified percentage. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the MagickImplodeImage method is: % % MagickBooleanType MagickImplodeImage(MagickWand *wand, % const double radius) % % A description of each parameter follows: % % o wand: The magick wand. % % o amount: Define the extent of the implosion. % */ WandExport MagickBooleanType MagickImplodeImage(MagickWand *wand, const double amount) { Image *implode_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); implode_image=ImplodeImage(wand->images,amount,wand->exception); if (implode_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,implode_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k L a b e l I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickLabelImage() adds a label to your image. % % The format of the MagickLabelImage method is: % % MagickBooleanType MagickLabelImage(MagickWand *wand,const char *label) % % A description of each parameter follows: % % o wand: The magick wand. % % o label: The image label. % */ WandExport MagickBooleanType MagickLabelImage(MagickWand *wand, const char *label) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=SetImageProperty(wand->images,"label",label); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k L e v e l I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickLevelImage() adjusts the levels of an image by scaling the colors % falling between specified white and black points to the full available % quantum range. The parameters provided represent the black, mid, and white % points. The black point specifies the darkest color in the image. Colors % darker than the black point are set to zero. Mid point specifies a gamma % correction to apply to the image. White point specifies the lightest color % in the image. Colors brighter than the white point are set to the maximum % quantum value. % % The format of the MagickLevelImage method is: % % MagickBooleanType MagickLevelImage(MagickWand *wand, % const double black_point,const double gamma,const double white_point) % MagickBooleanType MagickLevelImageChannel(MagickWand *wand, % const ChannelType channel,const double black_point,const double gamma, % const double white_point) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: Identify which channel to level: RedChannel, GreenChannel, % % o black_point: The black point. % % o gamma: The gamma. % % o white_point: The white point. % */ WandExport MagickBooleanType MagickLevelImage(MagickWand *wand, const double black_point,const double gamma,const double white_point) { MagickBooleanType status; status=MagickLevelImageChannel(wand,DefaultChannels,black_point,gamma, white_point); return(status); } WandExport MagickBooleanType MagickLevelImageChannel(MagickWand *wand, const ChannelType channel,const double black_point,const double gamma, const double white_point) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=LevelImageChannel(wand->images,channel,black_point,white_point,gamma); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k L i n e a r S t r e t c h I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickLinearStretchImage() stretches with saturation the image intensity. % % You can also reduce the influence of a particular channel with a gamma % value of 0. % % The format of the MagickLinearStretchImage method is: % % MagickBooleanType MagickLinearStretchImage(MagickWand *wand, % const double black_point,const double white_point) % % A description of each parameter follows: % % o wand: The magick wand. % % o black_point: The black point. % % o white_point: The white point. % */ WandExport MagickBooleanType MagickLinearStretchImage(MagickWand *wand, const double black_point,const double white_point) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=LinearStretchImage(wand->images,black_point,white_point); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k M a g n i f y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickMagnifyImage() is a convenience method that scales an image % proportionally to twice its original size. % % The format of the MagickMagnifyImage method is: % % MagickBooleanType MagickMagnifyImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickMagnifyImage(MagickWand *wand) { Image *magnify_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); magnify_image=MagnifyImage(wand->images,wand->exception); if (magnify_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,magnify_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k M a p I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickMapImage() replaces the colors of an image with the closest color % from a reference image. % % The format of the MagickMapImage method is: % % MagickBooleanType MagickMapImage(MagickWand *wand, % const MagickWand *map_wand,const MagickBooleanType dither) % % A description of each parameter follows: % % o wand: The magick wand. % % o map: The map wand. % % o dither: Set this integer value to something other than zero to dither % the mapped image. % */ WandExport MagickBooleanType MagickMapImage(MagickWand *wand, const MagickWand *map_wand,const MagickBooleanType dither) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if ((wand->images == (Image *) NULL) || (map_wand->images == (Image *) NULL)) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=MapImage(wand->images,map_wand->images,dither); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k M e d i a n F i l t e r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickMedianFilterImage() applies a digital filter that improves the quality % of a noisy image. Each pixel is replaced by the median in a set of % neighboring pixels as defined by radius. % % The format of the MagickMedianFilterImage method is: % % MagickBooleanType MagickMedianFilterImage(MagickWand *wand, % const double radius) % % A description of each parameter follows: % % o wand: The magick wand. % % o radius: The radius of the pixel neighborhood. % */ WandExport MagickBooleanType MagickMedianFilterImage(MagickWand *wand, const double radius) { Image *median_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); median_image=MedianFilterImage(wand->images,radius,wand->exception); if (median_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,median_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k M e r g e I m a g e L a y e r s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickMergeImageLayers() composes all the image layers from the current given % image onward to produce a single image of the merged layers. % % The inital canvas's size depends on the given ImageLayerMethod, and is % initialized using the first images images background color. The images % are then compositied onto that image in sequence using the given % composition that has been assigned to each individual image. % % The format of the MagickMergeImageLayers method is: % % MagickWand *MagickMergeImageLayers(MagickWand *wand, % const ImageLayerMethod method) % % A description of each parameter follows: % % o wand: The magick wand. % % o method: The method of selecting the size of the initial canvas. % % MergeLayer: Merge all layers onto a canvas just large enough % to hold all the actual images. The virtual canvas of the % first image is preserved but otherwise ignored. % % FlattenLayer: Use the virtual canvas size of first image. % Images which fall outside this canvas is clipped. % This can be used to 'fill out' a given virtual canvas. % % MosaicLayer: Start with the virtual canvas of the first image, % enlarging left and right edges to contain all images. % Images with negative offsets will be clipped. % */ WandExport MagickWand *MagickMergeImageLayers(MagickWand *wand, const ImageLayerMethod method) { Image *mosaic_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return((MagickWand *) NULL); mosaic_image=MergeImageLayers(wand->images,method,wand->exception); if (mosaic_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,mosaic_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k M i n i f y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickMinifyImage() is a convenience method that scales an image % proportionally to one-half its original size % % The format of the MagickMinifyImage method is: % % MagickBooleanType MagickMinifyImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickMinifyImage(MagickWand *wand) { Image *minify_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); minify_image=MinifyImage(wand->images,wand->exception); if (minify_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,minify_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k M o d u l a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickModulateImage() lets you control the brightness, saturation, and hue % of an image. Hue is the percentage of absolute rotation from the current % position. For example 50 results in a counter-clockwise rotation of 90 % degrees, 150 results in a clockwise rotation of 90 degrees, with 0 and 200 % both resulting in a rotation of 180 degrees. % % To increase the color brightness by 20% and decrease the color saturation by % 10% and leave the hue unchanged, use: 120,90,100. % % The format of the MagickModulateImage method is: % % MagickBooleanType MagickModulateImage(MagickWand *wand, % const double brightness,const double saturation,const double hue) % % A description of each parameter follows: % % o wand: The magick wand. % % o brightness: The percent change in brighness. % % o saturation: The percent change in saturation. % % o hue: The percent change in hue. % */ WandExport MagickBooleanType MagickModulateImage(MagickWand *wand, const double brightness,const double saturation,const double hue) { char modulate[MaxTextExtent]; MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); (void) FormatMagickString(modulate,MaxTextExtent,"%g,%g,%g",brightness, saturation,hue); status=ModulateImage(wand->images,modulate); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k M o n t a g e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickMontageImage() creates a composite image by combining several % separate images. The images are tiled on the composite image with the name % of the image optionally appearing just below the individual tile. % % The format of the MagickMontageImage method is: % % MagickWand *MagickMontageImage(MagickWand *wand, % const DrawingWand drawing_wand,const char *tile_geometry, % const char *thumbnail_geometry,const MontageMode mode, % const char *frame) % % A description of each parameter follows: % % o wand: The magick wand. % % o drawing_wand: The drawing wand. The font name, size, and color are % obtained from this wand. % % o tile_geometry: the number of tiles per row and page (e.g. 6x4+0+0). % % o thumbnail_geometry: Preferred image size and border size of each % thumbnail (e.g. 120x120+4+3>). % % o mode: Thumbnail framing mode: Frame, Unframe, or Concatenate. % % o frame: Surround the image with an ornamental border (e.g. 15x15+3+3). % The frame color is that of the thumbnail's matte color. % */ WandExport MagickWand *MagickMontageImage(MagickWand *wand, const DrawingWand *drawing_wand,const char *tile_geometry, const char *thumbnail_geometry,const MontageMode mode,const char *frame) { char *font; Image *montage_image; MontageInfo *montage_info; PixelWand *pixel_wand; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return((MagickWand *) NULL); montage_info=CloneMontageInfo(wand->image_info,(MontageInfo *) NULL); switch (mode) { case FrameMode: { (void) CloneString(&montage_info->frame,"15x15+3+3"); montage_info->shadow=MagickTrue; break; } case UnframeMode: { montage_info->frame=(char *) NULL; montage_info->shadow=MagickFalse; montage_info->border_width=0; break; } case ConcatenateMode: { montage_info->frame=(char *) NULL; montage_info->shadow=MagickFalse; (void) CloneString(&montage_info->geometry,"+0+0"); montage_info->border_width=0; break; } default: break; } font=DrawGetFont(drawing_wand); if (font != (char *) NULL) (void) CloneString(&montage_info->font,font); if (frame != (char *) NULL) (void) CloneString(&montage_info->frame,frame); montage_info->pointsize=DrawGetFontSize(drawing_wand); pixel_wand=NewPixelWand(); DrawGetFillColor(drawing_wand,pixel_wand); PixelGetQuantumColor(pixel_wand,&montage_info->fill); DrawGetStrokeColor(drawing_wand,pixel_wand); PixelGetQuantumColor(pixel_wand,&montage_info->stroke); pixel_wand=DestroyPixelWand(pixel_wand); if (thumbnail_geometry != (char *) NULL) (void) CloneString(&montage_info->geometry,thumbnail_geometry); if (tile_geometry != (char *) NULL) (void) CloneString(&montage_info->tile,tile_geometry); montage_image=MontageImageList(wand->image_info,montage_info,wand->images, wand->exception); montage_info=DestroyMontageInfo(montage_info); if (montage_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,montage_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k M o r p h I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickMorphImages() method morphs a set of images. Both the image pixels % and size are linearly interpolated to give the appearance of a % meta-morphosis from one image to the next. % % The format of the MagickMorphImages method is: % % MagickWand *MagickMorphImages(MagickWand *wand, % const unsigned long number_frames) % % A description of each parameter follows: % % o wand: The magick wand. % % o number_frames: The number of in-between images to generate. % */ WandExport MagickWand *MagickMorphImages(MagickWand *wand, const unsigned long number_frames) { Image *morph_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return((MagickWand *) NULL); morph_image=MorphImages(wand->images,number_frames,wand->exception); if (morph_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,morph_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k M o t i o n B l u r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickMotionBlurImage() simulates motion blur. We convolve the image with a % Gaussian operator of the given radius and standard deviation (sigma). % For reasonable results, radius should be larger than sigma. Use a % radius of 0 and MotionBlurImage() selects a suitable radius for you. % Angle gives the angle of the blurring motion. % % The format of the MagickMotionBlurImage method is: % % MagickBooleanType MagickMotionBlurImage(MagickWand *wand, % const double radius,const double sigma,const double angle) % % A description of each parameter follows: % % o wand: The magick wand. % % o radius: The radius of the Gaussian, in pixels, not counting % the center pixel. % % o sigma: The standard deviation of the Gaussian, in pixels. % % o angle: Apply the effect along this angle. % */ WandExport MagickBooleanType MagickMotionBlurImage(MagickWand *wand, const double radius,const double sigma,const double angle) { Image *blur_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); blur_image=MotionBlurImage(wand->images,radius,sigma,angle,wand->exception); if (blur_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,blur_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k N e g a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickNegateImage() negates the colors in the reference image. The % Grayscale option means that only grayscale values within the image are % negated. % % You can also reduce the influence of a particular channel with a gamma % value of 0. % % The format of the MagickNegateImage method is: % % MagickBooleanType MagickNegateImage(MagickWand *wand, % const MagickBooleanType gray) % MagickBooleanType MagickNegateImage(MagickWand *wand, % const ChannelType channel,const MagickBooleanType gray) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o gray: If MagickTrue, only negate grayscale pixels within the image. % */ WandExport MagickBooleanType MagickNegateImage(MagickWand *wand, const MagickBooleanType gray) { MagickBooleanType status; status=MagickNegateImageChannel(wand,DefaultChannels,gray); return(status); } WandExport MagickBooleanType MagickNegateImageChannel(MagickWand *wand, const ChannelType channel,const MagickBooleanType gray) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=NegateImageChannel(wand->images,channel,gray); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k N e w I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickNewImage() adds a blank image canvas of the specified size and % background color to the wand. % % The format of the MagickNewImage method is: % % MagickBooleanType MagickNewImage(MagickWand *wand, % const unsigned long columns,const unsigned long rows, % const PixelWand *background) % % A description of each parameter follows: % % o wand: The magick wand. % % o width: The image width. % % o height: The image height. % % o background: The image color. % */ WandExport MagickBooleanType MagickNewImage(MagickWand *wand, const unsigned long width,const unsigned long height, const PixelWand *background) { Image *images; MagickPixelPacket pixel; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); PixelGetMagickColor(background,&pixel); images=NewMagickImage(wand->image_info,width,height,&pixel); if (images->exception.severity != UndefinedException) InheritException(wand->exception,&images->exception); return(InsertImageInWand(wand,images)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k N e x t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickNextImage() associates the next image in the image list with a magick % wand. % % The format of the MagickNextImage method is: % % MagickBooleanType MagickNextImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickNextImage(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); if (wand->pend != MagickFalse) { wand->pend=MagickFalse; return(MagickTrue); } if (GetNextImageInList(wand->images) == (Image *) NULL) { wand->pend=MagickTrue; return(MagickFalse); } wand->images=GetNextImageInList(wand->images); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k N o r m a l i z e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickNormalizeImage() enhances the contrast of a color image by adjusting % the pixels color to span the entire range of colors available % % You can also reduce the influence of a particular channel with a gamma % value of 0. % % The format of the MagickNormalizeImage method is: % % MagickBooleanType MagickNormalizeImage(MagickWand *wand) % MagickBooleanType MagickNormalizeImageChannel(MagickWand *wand, % const ChannelType channel) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % */ WandExport MagickBooleanType MagickNormalizeImage(MagickWand *wand) { MagickBooleanType status; status=MagickNormalizeImageChannel(wand,DefaultChannels); return(status); } WandExport MagickBooleanType MagickNormalizeImageChannel(MagickWand *wand, const ChannelType channel) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=NormalizeImageChannel(wand->images,channel); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k O i l P a i n t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickOilPaintImage() applies a special effect filter that simulates an oil % painting. Each pixel is replaced by the most frequent color occurring % in a circular region defined by radius. % % The format of the MagickOilPaintImage method is: % % MagickBooleanType MagickOilPaintImage(MagickWand *wand, % const double radius) % % A description of each parameter follows: % % o wand: The magick wand. % % o radius: The radius of the circular neighborhood. % */ WandExport MagickBooleanType MagickOilPaintImage(MagickWand *wand, const double radius) { Image *paint_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); paint_image=OilPaintImage(wand->images,radius,wand->exception); if (paint_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,paint_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k O p t i m i z e I m a g e L a y e r s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickOptimizeImageLayers() compares each image the GIF disposed forms of the % previous image in the sequence. From this it attempts to select the % smallest cropped image to replace each frame, while preserving the results % of the animation. % % The format of the MagickOptimizeImageLayers method is: % % MagickWand *MagickOptimizeImageLayers(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickWand *MagickOptimizeImageLayers(MagickWand *wand) { Image *optimize_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return((MagickWand *) NULL); optimize_image=OptimizeImageLayers(wand->images,wand->exception); if (optimize_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,optimize_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k O r d e r e d P o s t e r i z e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickOrderedPosterizeImage() performs an ordered dither based on a number % of pre-defined dithering threshold maps, but over multiple intensity levels, % which can be different for different channels, according to the input % arguments. % % The format of the MagickOrderedPosterizeImage method is: % % MagickBooleanType MagickOrderedPosterizeImage(MagickWand *wand, % const char *threshold_map) % MagickBooleanType MagickOrderedPosterizeImageChannel(MagickWand *wand, % const ChannelType channel,const char *threshold_map) % % A description of each parameter follows: % % o image: The image. % % o channel: The channel or channels to be thresholded. % % o threshold_map: A string containing the name of the threshold dither % map to use, followed by zero or more numbers representing the number of % color levels tho dither between. % % Any level number less than 2 is equivelent to 2, and means only binary % dithering will be applied to each color channel. % % No numbers also means a 2 level (bitmap) dither will be applied to all % channels, while a single number is the number of levels applied to each % channel in sequence. More numbers will be applied in turn to each of % the color channels. % % For example: "o3x3,6" generates a 6 level posterization of the image % with a ordered 3x3 diffused pixel dither being applied between each % level. While checker,8,8,4 will produce a 332 colormaped image with % only a single checkerboard hash pattern (50% grey) between each color % level, to basically double the number of color levels with a bare % minimim of dithering. % */ WandExport MagickBooleanType MagickOrderedPosterizeImage(MagickWand *wand, const char *threshold_map) { MagickBooleanType status; status=MagickOrderedPosterizeImageChannel(wand,DefaultChannels,threshold_map); return(status); } WandExport MagickBooleanType MagickOrderedPosterizeImageChannel( MagickWand *wand,const ChannelType channel,const char *threshold_map) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=OrderedPosterizeImageChannel(wand->images,channel,threshold_map, wand->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k P a i n t F l o o d f i l l I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickPaintFloodfillImage() changes the color value of any pixel that matches % target and is an immediate neighbor. If the method FillToBorderMethod is % specified, the color value is changed for any neighbor pixel that does not % match the bordercolor member of image. % % The format of the MagickPaintFloodfillImage method is: % % MagickBooleanType MagickPaintFloodfillImage(MagickWand *wand, % const ChannelType channel,const PixelWand *fill,const double fuzz, % const PixelWand *bordercolor,const long x,const long y) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The channel(s). % % o fill: The floodfill color pixel wand. % % o fuzz: By default target must match a particular pixel color % exactly. However, in many cases two colors may differ by a small amount. % The fuzz member of image defines how much tolerance is acceptable to % consider two colors as the same. For example, set fuzz to 10 and the % color red at intensities of 100 and 102 respectively are now interpreted % as the same color for the purposes of the floodfill. % % o bordercolor: The border color pixel wand. % % o x,y: The starting location of the operation. % */ WandExport MagickBooleanType MagickPaintFloodfillImage(MagickWand *wand, const ChannelType channel,const PixelWand *fill,const double fuzz, const PixelWand *bordercolor,const long x,const long y) { DrawInfo *draw_info; MagickBooleanType status; MagickPixelPacket target; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); draw_info=CloneDrawInfo(wand->image_info,(DrawInfo *) NULL); PixelGetQuantumColor(fill,&draw_info->fill); target=AcquireOneMagickPixel(wand->images,x % wand->images->columns, y % wand->images->rows,wand->exception); if (bordercolor != (PixelWand *) NULL) PixelGetMagickColor(bordercolor,&target); wand->images->fuzz=fuzz; status=PaintFloodfillImage(wand->images,channel,&target,x,y,draw_info, bordercolor != (PixelWand *) NULL ? FillToBorderMethod : FloodfillMethod); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); draw_info=DestroyDrawInfo(draw_info); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k P a i n t O p a q u e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickPaintOpaqueImage() changes any pixel that matches color with the color % defined by fill. % % The format of the MagickPaintOpaqueImage method is: % % MagickBooleanType MagickPaintOpaqueImage(MagickWand *wand, % const PixelWand *target,const PixelWand *fill,const double fuzz) % MagickBooleanType MagickPaintOpaqueImageChannel(MagickWand *wand, % const ChannelType channel,const PixelWand *target, % const PixelWand *fill,const double fuzz) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The channel(s). % % o target: Change this target color to the fill color within the image. % % o fill: The fill pixel wand. % % o fuzz: By default target must match a particular pixel color % exactly. However, in many cases two colors may differ by a small amount. % The fuzz member of image defines how much tolerance is acceptable to % consider two colors as the same. For example, set fuzz to 10 and the % color red at intensities of 100 and 102 respectively are now interpreted % as the same color for the purposes of the floodfill. % */ WandExport MagickBooleanType MagickPaintOpaqueImage(MagickWand *wand, const PixelWand *target,const PixelWand *fill,const double fuzz) { return(MagickPaintOpaqueImageChannel(wand,DefaultChannels,target,fill,fuzz)); } WandExport MagickBooleanType MagickPaintOpaqueImageChannel(MagickWand *wand, const ChannelType channel,const PixelWand *target,const PixelWand *fill, const double fuzz) { MagickBooleanType status; MagickPixelPacket fill_pixel, target_pixel; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); PixelGetMagickColor(target,&target_pixel); PixelGetMagickColor(fill,&fill_pixel); wand->images->fuzz=fuzz; status=PaintOpaqueImageChannel(wand->images,channel,&target_pixel, &fill_pixel); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k P a i n t T r a n s p a r e n t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickPaintTransparentImage() changes any pixel that matches color with the % color defined by fill. % % The format of the MagickPaintTransparentImage method is: % % MagickBooleanType MagickPaintTransparentImage(MagickWand *wand, % const PixelWand *target,const double alpha,const double fuzz) % % A description of each parameter follows: % % o wand: The magick wand. % % o target: Change this target color to specified opacity value within % the image. % % o alpha: The level of transparency: 1.0 is fully opaque and 0.0 is fully % transparent. % % o fuzz: By default target must match a particular pixel color % exactly. However, in many cases two colors may differ by a small amount. % The fuzz member of image defines how much tolerance is acceptable to % consider two colors as the same. For example, set fuzz to 10 and the % color red at intensities of 100 and 102 respectively are now interpreted % as the same color for the purposes of the floodfill. % */ WandExport MagickBooleanType MagickPaintTransparentImage(MagickWand *wand, const PixelWand *target,const double alpha,const double fuzz) { MagickBooleanType status; MagickPixelPacket target_pixel; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); PixelGetMagickColor(target,&target_pixel); wand->images->fuzz=fuzz; status=PaintTransparentImage(wand->images,&target_pixel,RoundToQuantum( (MagickRealType) QuantumRange-QuantumRange*alpha)); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k P i n g I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickPingImage() is like MagickReadImage() except the only valid % information returned is the image width, height, size, and format. It % is designed to efficiently obtain this information from a file without % reading the entire image sequence into memory. % % The format of the MagickPingImage method is: % % MagickBooleanType MagickPingImage(MagickWand *wand,const char *filename) % % A description of each parameter follows: % % o wand: The magick wand. % % o filename: The image filename. % */ WandExport MagickBooleanType MagickPingImage(MagickWand *wand, const char *filename) { Image *images; ImageInfo *ping_info; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); ping_info=CloneImageInfo(wand->image_info); if (filename != (const char *) NULL) (void) CopyMagickString(ping_info->filename,filename,MaxTextExtent); images=PingImage(ping_info,wand->exception); ping_info=DestroyImageInfo(ping_info); if (images == (Image *) NULL) return(MagickFalse); return(InsertImageInWand(wand,images)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k P i n g I m a g e B l o b % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickPingImageBlob() pings an image or image sequence from a blob. % % The format of the MagickPingImageBlob method is: % % MagickBooleanType MagickPingImageBlob(MagickWand *wand, % const void *blob,const size_t length) % % A description of each parameter follows: % % o wand: The magick wand. % % o blob: The blob. % % o length: The blob length. % */ WandExport MagickBooleanType MagickPingImageBlob(MagickWand *wand, const void *blob,const size_t length) { Image *images; ImageInfo *read_info; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); read_info=CloneImageInfo(wand->image_info); SetImageInfoBlob(read_info,blob,length); images=PingImage(read_info,wand->exception); read_info=DestroyImageInfo(read_info); if (images == (Image *) NULL) return(MagickFalse); return(InsertImageInWand(wand,images)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k P i n g I m a g e F i l e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickPingImageFile() pings an image or image sequence from an open file % descriptor. % % The format of the MagickPingImageFile method is: % % MagickBooleanType MagickPingImageFile(MagickWand *wand,FILE *file) % % A description of each parameter follows: % % o wand: The magick wand. % % o file: The file descriptor. % */ WandExport MagickBooleanType MagickPingImageFile(MagickWand *wand,FILE *file) { Image *images; ImageInfo *read_info; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); assert(file != (FILE *) NULL); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); read_info=CloneImageInfo(wand->image_info); SetImageInfoFile(read_info,file); images=PingImage(read_info,wand->exception); read_info=DestroyImageInfo(read_info); if (images == (Image *) NULL) return(MagickFalse); return(InsertImageInWand(wand,images)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k P o l a r o i d I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickPolaroidImage() simulates a Polaroid picture. % % The format of the MagickPolaroidImage method is: % % MagickBooleanType MagickPolaroidImage(MagickWand *wand, % const DrawingWand *drawing_wand,const double angle) % % A description of each parameter follows: % % o wand: The magick wand. % % o drawing_wand: The draw wand. % % o angle: Apply the effect along this angle. % */ WandExport MagickBooleanType MagickPolaroidImage(MagickWand *wand, const DrawingWand *drawing_wand,const double angle) { DrawInfo *draw_info; Image *polaroid_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); draw_info=PeekDrawingWand(drawing_wand); if (draw_info == (DrawInfo *) NULL) return(MagickFalse); polaroid_image=PolaroidImage(wand->images,draw_info,angle,wand->exception); if (polaroid_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,polaroid_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k P o s t e r i z e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickPosterizeImage() reduces the image to a limited number of color level. % % The format of the MagickPosterizeImage method is: % % MagickBooleanType MagickPosterizeImage(MagickWand *wand, % const unsigned levels,const MagickBooleanType dither) % % A description of each parameter follows: % % o wand: The magick wand. % % o levels: Number of color levels allowed in each channel. Very low values % (2, 3, or 4) have the most visible effect. % % o dither: Set this integer value to something other than zero to dither % the mapped image. % */ WandExport MagickBooleanType MagickPosterizeImage(MagickWand *wand, const unsigned long levels,const MagickBooleanType dither) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=PosterizeImage(wand->images,levels,dither); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k P r e v i e w I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickPreviewImages() tiles 9 thumbnails of the specified image with an % image processing operation applied at varying strengths. This is helpful % to quickly pin-point an appropriate parameter for an image processing % operation. % % The format of the MagickPreviewImages method is: % % MagickWand *MagickPreviewImages(MagickWand *wand, % const PreviewType preview) % % A description of each parameter follows: % % o wand: The magick wand. % % o preview: The preview type. % */ WandExport MagickWand *MagickPreviewImages(MagickWand *wand, const PreviewType preview) { Image *preview_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return((MagickWand *) NULL); preview_image=PreviewImage(wand->images,preview,wand->exception); if (preview_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,preview_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k P r e v i o u s I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickPreviousImage() assocates the previous image in an image list with % the magick wand. % % The format of the MagickPreviousImage method is: % % MagickBooleanType MagickPreviousImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickPreviousImage(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); if (wand->pend != MagickFalse) { wand->pend=MagickFalse; return(MagickTrue); } if (GetPreviousImageInList(wand->images) == (Image *) NULL) { wand->pend=MagickTrue; return(MagickFalse); } wand->images=GetPreviousImageInList(wand->images); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k Q u a n t i z e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickQuantizeImage() analyzes the colors within a reference image and % chooses a fixed number of colors to represent the image. The goal of the % algorithm is to minimize the color difference between the input and output % image while minimizing the processing time. % % The format of the MagickQuantizeImage method is: % % MagickBooleanType MagickQuantizeImage(MagickWand *wand, % const unsigned long number_colors,const ColorspaceType colorspace, % const unsigned long treedepth,const MagickBooleanType dither, % const MagickBooleanType measure_error) % % A description of each parameter follows: % % o wand: The magick wand. % % o number_colors: The number of colors. % % o colorspace: Perform color reduction in this colorspace, typically % RGBColorspace. % % o treedepth: Normally, this integer value is zero or one. A zero or % one tells Quantize to choose a optimal tree depth of Log4(number_colors).% A tree of this depth generally allows the best representation of the % reference image with the least amount of memory and the fastest % computational speed. In some cases, such as an image with low color % dispersion (a few number of colors), a value other than % Log4(number_colors) is required. To expand the color tree completely, % use a value of 8. % % o dither: A value other than zero distributes the difference between an % original image and the corresponding color reduced image to % neighboring pixels along a Hilbert curve. % % o measure_error: A value other than zero measures the difference between % the original and quantized images. This difference is the total % quantization error. The error is computed by summing over all pixels % in an image the distance squared in RGB space between each reference % pixel value and its quantized value. % */ WandExport MagickBooleanType MagickQuantizeImage(MagickWand *wand, const unsigned long number_colors,const ColorspaceType colorspace, const unsigned long treedepth,const MagickBooleanType dither, const MagickBooleanType measure_error) { MagickBooleanType status; QuantizeInfo *quantize_info; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); quantize_info=CloneQuantizeInfo((QuantizeInfo *) NULL); quantize_info->number_colors=number_colors; quantize_info->dither=dither; quantize_info->tree_depth=treedepth; quantize_info->colorspace=colorspace; quantize_info->measure_error=measure_error; status=QuantizeImage(quantize_info,wand->images); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); quantize_info=DestroyQuantizeInfo(quantize_info); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k Q u a n t i z e I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickQuantizeImages() analyzes the colors within a sequence of images and % chooses a fixed number of colors to represent the image. The goal of the % algorithm is to minimize the color difference between the input and output % image while minimizing the processing time. % % The format of the MagickQuantizeImages method is: % % MagickBooleanType MagickQuantizeImages(MagickWand *wand, % const unsigned long number_colors,const ColorspaceType colorspace, % const unsigned long treedepth,const MagickBooleanType dither, % const MagickBooleanType measure_error) % % A description of each parameter follows: % % o wand: The magick wand. % % o number_colors: The number of colors. % % o colorspace: Perform color reduction in this colorspace, typically % RGBColorspace. % % o treedepth: Normally, this integer value is zero or one. A zero or % one tells Quantize to choose a optimal tree depth of Log4(number_colors).% A tree of this depth generally allows the best representation of the % reference image with the least amount of memory and the fastest % computational speed. In some cases, such as an image with low color % dispersion (a few number of colors), a value other than % Log4(number_colors) is required. To expand the color tree completely, % use a value of 8. % % o dither: A value other than zero distributes the difference between an % original image and the corresponding color reduced algorithm to % neighboring pixels along a Hilbert curve. % % o measure_error: A value other than zero measures the difference between % the original and quantized images. This difference is the total % quantization error. The error is computed by summing over all pixels % in an image the distance squared in RGB space between each reference % pixel value and its quantized value. % */ WandExport MagickBooleanType MagickQuantizeImages(MagickWand *wand, const unsigned long number_colors,const ColorspaceType colorspace, const unsigned long treedepth,const MagickBooleanType dither, const MagickBooleanType measure_error) { MagickBooleanType status; QuantizeInfo *quantize_info; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); quantize_info=CloneQuantizeInfo((QuantizeInfo *) NULL); quantize_info->number_colors=number_colors; quantize_info->dither=dither; quantize_info->tree_depth=treedepth; quantize_info->colorspace=colorspace; quantize_info->measure_error=measure_error; status=QuantizeImages(quantize_info,wand->images); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); quantize_info=DestroyQuantizeInfo(quantize_info); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k R a d i a l B l u r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickRadialBlurImage() radial blurs an image. % % The format of the MagickRadialBlurImage method is: % % MagickBooleanType MagickRadialBlurImage(MagickWand *wand, % const double angle) % MagickBooleanType MagickRadialBlurImageChannel(MagickWand *wand, % const ChannelType channel,const double angle) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o angle: The angle of the blur in degrees. % */ WandExport MagickBooleanType MagickRadialBlurImage(MagickWand *wand, const double angle) { MagickBooleanType status; status=MagickRadialBlurImageChannel(wand,DefaultChannels,angle); return(status); } WandExport MagickBooleanType MagickRadialBlurImageChannel(MagickWand *wand, const ChannelType channel,const double angle) { Image *blur_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); blur_image=RadialBlurImageChannel(wand->images,channel,angle, wand->exception); if (blur_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,blur_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k R a i s e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickRaiseImage() creates a simulated three-dimensional button-like effect % by lightening and darkening the edges of the image. Members width and % height of raise_info define the width of the vertical and horizontal % edge of the effect. % % The format of the MagickRaiseImage method is: % % MagickBooleanType MagickRaiseImage(MagickWand *wand, % const unsigned long width,const unsigned long height,const long x, % const long y,const MagickBooleanType raise) % % A description of each parameter follows: % % o wand: The magick wand. % % o width,height,x,y: Define the dimensions of the area to raise. % % o raise: A value other than zero creates a 3-D raise effect, % otherwise it has a lowered effect. % */ WandExport MagickBooleanType MagickRaiseImage(MagickWand *wand, const unsigned long width,const unsigned long height,const long x, const long y,const MagickBooleanType raise) { MagickBooleanType status; RectangleInfo raise_info; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); raise_info.width=width; raise_info.height=height; raise_info.x=x; raise_info.y=y; status=RaiseImage(wand->images,&raise_info,raise); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k R a n d o m T h r e s h o l d I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickRandomThresholdImage() changes the value of individual pixels based on % the intensity of each pixel compared to threshold. The result is a % high-contrast, two color image. % % The format of the MagickRandomThresholdImage method is: % % MagickBooleanType MagickRandomThresholdImage(MagickWand *wand, % const double low,const double high) % MagickBooleanType MagickRandomThresholdImageChannel(MagickWand *wand, % const ChannelType channel,const double low,const double high) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o low,high: Specify the high and low thresholds. These values range from % 0 to QuantumRange. % */ WandExport MagickBooleanType MagickRandomThresholdImage(MagickWand *wand, const double low,const double high) { MagickBooleanType status; status=MagickRandomThresholdImageChannel(wand,DefaultChannels,low,high); return(status); } WandExport MagickBooleanType MagickRandomThresholdImageChannel( MagickWand *wand,const ChannelType channel,const double low, const double high) { char threshold[MaxTextExtent]; MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); (void) FormatMagickString(threshold,MaxTextExtent,"%gx%g",low,high); status=RandomThresholdImageChannel(wand->images,channel,threshold, wand->exception); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k R e a d I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickReadImage() reads an image or image sequence. The images are inserted % at the current image pointer position. Use MagickSetFirstIterator(), % MagickSetLastIterator, or MagickSetImageIndex() to specify the current % image pointer position at the beginning of the image list, the end, or % anywhere in-between respectively. % % The format of the MagickReadImage method is: % % MagickBooleanType MagickReadImage(MagickWand *wand,const char *filename) % % A description of each parameter follows: % % o wand: The magick wand. % % o filename: The image filename. % */ WandExport MagickBooleanType MagickReadImage(MagickWand *wand, const char *filename) { Image *images; ImageInfo *read_info; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); read_info=CloneImageInfo(wand->image_info); if (filename != (const char *) NULL) (void) CopyMagickString(read_info->filename,filename,MaxTextExtent); images=ReadImage(read_info,wand->exception); read_info=DestroyImageInfo(read_info); if (images == (Image *) NULL) return(MagickFalse); return(InsertImageInWand(wand,images)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k R e a d I m a g e B l o b % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickReadImageBlob() reads an image or image sequence from a blob. % % The format of the MagickReadImageBlob method is: % % MagickBooleanType MagickReadImageBlob(MagickWand *wand, % const void *blob,const size_t length) % % A description of each parameter follows: % % o wand: The magick wand. % % o blob: The blob. % % o length: The blob length. % */ WandExport MagickBooleanType MagickReadImageBlob(MagickWand *wand, const void *blob,const size_t length) { Image *images; ImageInfo *read_info; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); read_info=CloneImageInfo(wand->image_info); SetImageInfoBlob(read_info,blob,length); images=ReadImage(read_info,wand->exception); read_info=DestroyImageInfo(read_info); if (images == (Image *) NULL) return(MagickFalse); return(InsertImageInWand(wand,images)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k R e a d I m a g e F i l e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickReadImageFile() reads an image or image sequence from an open file % descriptor. % % The format of the MagickReadImageFile method is: % % MagickBooleanType MagickReadImageFile(MagickWand *wand,FILE *file) % % A description of each parameter follows: % % o wand: The magick wand. % % o file: The file descriptor. % */ WandExport MagickBooleanType MagickReadImageFile(MagickWand *wand,FILE *file) { Image *images; ImageInfo *read_info; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); assert(file != (FILE *) NULL); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); read_info=CloneImageInfo(wand->image_info); SetImageInfoFile(read_info,file); images=ReadImage(read_info,wand->exception); read_info=DestroyImageInfo(read_info); if (images == (Image *) NULL) return(MagickFalse); return(InsertImageInWand(wand,images)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k R e c o l o r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickRecolorImage() translate, scale, shear, or rotate image colors. % Although you can use variable sized matrices, typically you use a 5 x 5 for % an RGBA image and a 6x6 for CMYKA. Populate the last row with normalized % values to translate. % % The format of the MagickRecolorImage method is: % % MagickBooleanType MagickRecolorImage(MagickWand *wand, % const unsigned long order,const double *color_matrix) % % A description of each parameter follows: % % o wand: The magick wand. % % o order: The number of columns and rows in the color matrix. % % o color_matrix: An array of doubles representing the color matrix. % */ WandExport MagickBooleanType MagickRecolorImage(MagickWand *wand, const unsigned long order,const double *color_matrix) { Image *transform_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (color_matrix == (const double *) NULL) return(MagickFalse); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); transform_image=RecolorImage(wand->images,order,color_matrix, wand->exception); if (transform_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,transform_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k R e d u c e N o i s e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickReduceNoiseImage() smooths the contours of an image while still % preserving edge information. The algorithm works by replacing each pixel % with its neighbor closest in value. A neighbor is defined by radius. Use % a radius of 0 and ReduceNoise() selects a suitable radius for you. % % The format of the MagickReduceNoiseImage method is: % % MagickBooleanType MagickReduceNoiseImage(MagickWand *wand, % const double radius) % % A description of each parameter follows: % % o wand: The magick wand. % % o radius: The radius of the pixel neighborhood. % */ WandExport MagickBooleanType MagickReduceNoiseImage(MagickWand *wand, const double radius) { Image *noise_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); noise_image=ReduceNoiseImage(wand->images,radius,wand->exception); if (noise_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,noise_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k R e m o v e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickRemoveImage() removes an image from the image list. % % The format of the MagickRemoveImage method is: % % MagickBooleanType MagickRemoveImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % % o insert: The splice wand. % */ WandExport MagickBooleanType MagickRemoveImage(MagickWand *wand) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); DeleteImageFromList(&wand->images); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k R e s a m p l e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickResampleImage() resample image to desired resolution. % % Bessel Blackman Box % Catrom Cubic Gaussian % Hanning Hermite Lanczos % Mitchell Point Quandratic % Sinc Triangle % % Most of the filters are FIR (finite impulse response), however, Bessel, % Gaussian, and Sinc are IIR (infinite impulse response). Bessel and Sinc % are windowed (brought down to zero) with the Blackman filter. % % The format of the MagickResampleImage method is: % % MagickBooleanType MagickResampleImage(MagickWand *wand, % const double x_resolution,const double y_resolution, % const FilterTypes filter,const double blur) % % A description of each parameter follows: % % o wand: The magick wand. % % o x_resolution: The new image x resolution. % % o y_resolution: The new image y resolution. % % o filter: Image filter to use. % % o blur: The blur factor where > 1 is blurry, < 1 is sharp. % */ WandExport MagickBooleanType MagickResampleImage(MagickWand *wand, const double x_resolution,const double y_resolution,const FilterTypes filter, const double blur) { Image *resample_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); resample_image=ResampleImage(wand->images,x_resolution,y_resolution,filter, blur,wand->exception); if (resample_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,resample_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k R e s e t I m a g e P a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickResetImagePage() resets the Wand page canvas and position. % % The format of the MagickResetImagePage method is: % % MagickBooleanType MagickResetImagePage(MagickWand *wand, % const char *page) % % A description of each parameter follows: % % o wand: The magick wand. % % o page: The relative page specification. % */ WandExport MagickBooleanType MagickResetImagePage(MagickWand *wand, const char *page) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); if ((page == (char *) NULL) || (*page == '\0')) { (void) ParseAbsoluteGeometry("0x0+0+0",&wand->images->page); return(MagickTrue); } return(ResetImagePage(wand->images,page)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k R e s i z e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickResizeImage() scales an image to the desired dimensions with one of % these filters: % % Bessel Blackman Box % Catrom Cubic Gaussian % Hanning Hermite Lanczos % Mitchell Point Quandratic % Sinc Triangle % % Most of the filters are FIR (finite impulse response), however, Bessel, % Gaussian, and Sinc are IIR (infinite impulse response). Bessel and Sinc % are windowed (brought down to zero) with the Blackman filter. % % The format of the MagickResizeImage method is: % % MagickBooleanType MagickResizeImage(MagickWand *wand, % const unsigned long columns,const unsigned long rows, % const FilterTypes filter,const double blur) % % A description of each parameter follows: % % o wand: The magick wand. % % o columns: The number of columns in the scaled image. % % o rows: The number of rows in the scaled image. % % o filter: Image filter to use. % % o blur: The blur factor where > 1 is blurry, < 1 is sharp. % */ WandExport MagickBooleanType MagickResizeImage(MagickWand *wand, const unsigned long columns,const unsigned long rows,const FilterTypes filter, const double blur) { Image *resize_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); resize_image=ResizeImage(wand->images,columns,rows,filter,blur, wand->exception); if (resize_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,resize_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k R o l l I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickRollImage() offsets an image as defined by x and y. % % The format of the MagickRollImage method is: % % MagickBooleanType MagickRollImage(MagickWand *wand,const long x, % const unsigned long y) % % A description of each parameter follows: % % o wand: The magick wand. % % o x: The x offset. % % o y: The y offset. % % */ WandExport MagickBooleanType MagickRollImage(MagickWand *wand, const long x,const long y) { Image *roll_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); roll_image=RollImage(wand->images,x,y,wand->exception); if (roll_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,roll_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k R o t a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickRotateImage() rotates an image the specified number of degrees. Empty % triangles left over from rotating the image are filled with the % background color. % % The format of the MagickRotateImage method is: % % MagickBooleanType MagickRotateImage(MagickWand *wand, % const PixelWand *background,const double degrees) % % A description of each parameter follows: % % o wand: The magick wand. % % o background: The background pixel wand. % % o degrees: The number of degrees to rotate the image. % % */ WandExport MagickBooleanType MagickRotateImage(MagickWand *wand, const PixelWand *background,const double degrees) { Image *rotate_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); PixelGetQuantumColor(background,&wand->images->background_color); rotate_image=RotateImage(wand->images,degrees,wand->exception); if (rotate_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,rotate_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S a m p l e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSampleImage() scales an image to the desired dimensions with pixel % sampling. Unlike other scaling methods, this method does not introduce % any additional color into the scaled image. % % The format of the MagickSampleImage method is: % % MagickBooleanType MagickSampleImage(MagickWand *wand, % const unsigned long columns,const unsigned long rows) % % A description of each parameter follows: % % o wand: The magick wand. % % o columns: The number of columns in the scaled image. % % o rows: The number of rows in the scaled image. % % */ WandExport MagickBooleanType MagickSampleImage(MagickWand *wand, const unsigned long columns,const unsigned long rows) { Image *sample_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); sample_image=SampleImage(wand->images,columns,rows,wand->exception); if (sample_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,sample_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S c a l e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickScaleImage() scales the size of an image to the given dimensions. % % The format of the MagickScaleImage method is: % % MagickBooleanType MagickScaleImage(MagickWand *wand, % const unsigned long columns,const unsigned long rows) % % A description of each parameter follows: % % o wand: The magick wand. % % o columns: The number of columns in the scaled image. % % o rows: The number of rows in the scaled image. % % */ WandExport MagickBooleanType MagickScaleImage(MagickWand *wand, const unsigned long columns,const unsigned long rows) { Image *scale_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); scale_image=ScaleImage(wand->images,columns,rows,wand->exception); if (scale_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,scale_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e g m e n t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSegmentImage() segments an image by analyzing the histograms of the % color components and identifying units that are homogeneous with the fuzzy % C-means technique. % % The format of the SegmentImage method is: % % MagickBooleanType MagickSegmentImage(MagickWand *wand, % const ColorspaceType colorspace,const MagickBooleanType verbose, % const double cluster_threshold,const double smooth_threshold) % % A description of each parameter follows. % % o wand: The wand. % % o colorspace: The image colorspace. % % o verbose: Set to MagickTrue to print detailed information about the % identified classes. % % o cluster_threshold: This represents the minimum number of pixels % contained in a hexahedra before it can be considered valid (expressed as % a percentage). % % o smooth_threshold: the smoothing threshold eliminates noise in the second % derivative of the histogram. As the value is increased, you can expect a % smoother second derivative. % */ MagickExport MagickBooleanType MagickSegmentImage(MagickWand *wand, const ColorspaceType colorspace,const MagickBooleanType verbose, const double cluster_threshold,const double smooth_threshold) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=SegmentImage(wand->images,colorspace,verbose,cluster_threshold, smooth_threshold); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(MagickFalse); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e p a r a t e I m a g e C h a n n e l % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSeparateImageChannel() separates a channel from the image and returns a % grayscale image. A channel is a particular color component of each pixel % in the image. % % The format of the MagickSeparateImageChannel method is: % % MagickBooleanType MagickSeparateImageChannel(MagickWand *wand, % const ChannelType channel) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % */ WandExport MagickBooleanType MagickSeparateImageChannel(MagickWand *wand, const ChannelType channel) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=SeparateImageChannel(wand->images,channel); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % M a g i c k S e p i a T o n e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSepiaToneImage() applies a special effect to the image, similar to the % effect achieved in a photo darkroom by sepia toning. Threshold ranges from % 0 to QuantumRange and is a measure of the extent of the sepia toning. A % threshold of 80% is a good starting point for a reasonable tone. % % The format of the MagickSepiaToneImage method is: % % MagickBooleanType MagickSepiaToneImage(MagickWand *wand, % const double threshold) % % A description of each parameter follows: % % o wand: The magick wand. % % o threshold: Define the extent of the sepia toning. % */ WandExport MagickBooleanType MagickSepiaToneImage(MagickWand *wand, const double threshold) { Image *sepia_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); sepia_image=SepiaToneImage(wand->images,threshold,wand->exception); if (sepia_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,sepia_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImage() replaces the last image returned by MagickSetImageIndex(), % MagickNextImage(), MagickPreviousImage() with the images from the specified % wand. % % The format of the MagickSetImage method is: % % MagickBooleanType MagickSetImage(MagickWand *wand, % const MagickWand *set_wand) % % A description of each parameter follows: % % o wand: The magick wand. % % o set_wand: The set_wand wand. % */ WandExport MagickBooleanType MagickSetImage(MagickWand *wand, const MagickWand *set_wand) { Image *images; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); assert(set_wand != (MagickWand *) NULL); assert(set_wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),set_wand->name); if (set_wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); images=CloneImageList(set_wand->images,wand->exception); if (images == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,images); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e A l p h a C h a n n e l % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageAlphaChannel() activates, deactivates, resets, or sets the % alpha channel. % % The format of the MagickSetImageAlphaChannel method is: % % MagickBooleanType MagickSetImageAlphaChannel(MagickWand *wand, % const AlphaChannelType alpha_type) % % A description of each parameter follows: % % o wand: The magick wand. % % o alpha_type: The alpha channel type: ActivateAlphaChannel, % DeactivateAlphaChannel, ResetAlphaChannel, or SetAlphaChannel. % */ WandExport MagickBooleanType MagickSetImageAlphaChannel(MagickWand *wand, const AlphaChannelType alpha_type) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(SetImageAlphaChannel(wand->images,alpha_type)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e B a c k g r o u n d C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageBackgroundColor() sets the image background color. % % The format of the MagickSetImageBackgroundColor method is: % % MagickBooleanType MagickSetImageBackgroundColor(MagickWand *wand, % const PixelWand *background) % % A description of each parameter follows: % % o wand: The magick wand. % % o background: The background pixel wand. % */ WandExport MagickBooleanType MagickSetImageBackgroundColor(MagickWand *wand, const PixelWand *background) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); PixelGetQuantumColor(background,&wand->images->background_color); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e B i a s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageBias() sets the image bias for any method that convolves an % image (e.g. MagickConvolveImage()). % % The format of the MagickSetImageBias method is: % % MagickBooleanType MagickSetImageBias(MagickWand *wand, % const double bias) % % A description of each parameter follows: % % o wand: The magick wand. % % o bias: The image bias. % */ WandExport MagickBooleanType MagickSetImageBias(MagickWand *wand, const double bias) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->bias=bias; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e B l u e P r i m a r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageBluePrimary() sets the image chromaticity blue primary point. % % The format of the MagickSetImageBluePrimary method is: % % MagickBooleanType MagickSetImageBluePrimary(MagickWand *wand, % const double x,const double y) % % A description of each parameter follows: % % o wand: The magick wand. % % o x: The blue primary x-point. % % o y: The blue primary y-point. % */ WandExport MagickBooleanType MagickSetImageBluePrimary(MagickWand *wand, const double x,const double y) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->chromaticity.blue_primary.x=x; wand->images->chromaticity.blue_primary.y=y; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e B o r d e r C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageBorderColor() sets the image border color. % % The format of the MagickSetImageBorderColor method is: % % MagickBooleanType MagickSetImageBorderColor(MagickWand *wand, % const PixelWand *border) % % A description of each parameter follows: % % o wand: The magick wand. % % o border: The border pixel wand. % */ WandExport MagickBooleanType MagickSetImageBorderColor(MagickWand *wand, const PixelWand *border) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); PixelGetQuantumColor(border,&wand->images->border_color); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e C h a n n e l D e p t h % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageChannelDepth() sets the depth of a particular image channel. % % The format of the MagickSetImageChannelDepth method is: % % MagickBooleanType MagickSetImageChannelDepth(MagickWand *wand, % const ChannelType channel,const unsigned long depth) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o depth: The image depth in bits. % */ WandExport MagickBooleanType MagickSetImageChannelDepth(MagickWand *wand, const ChannelType channel,const unsigned long depth) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(SetImageChannelDepth(wand->images,channel,depth)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e C l i p M a s k % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageClipMask() sets image clip mask. % % The format of the MagickSetImageClipMask method is: % % MagickBooleanType MagickSetImageClipMask(MagickWand *wand, % const MagickWand *clip_mask) % % A description of each parameter follows: % % o wand: The magick wand. % % o clip_mask: The clip_mask wand. % */ WandExport MagickBooleanType MagickSetImageClipMask(MagickWand *wand, const MagickWand *clip_mask) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); assert(clip_mask != (MagickWand *) NULL); assert(clip_mask->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),clip_mask->name); if (clip_mask->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(SetImageClipMask(wand->images,clip_mask->images)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e C o l o r m a p C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageColormapColor() sets the color of the specified colormap % index. % % The format of the MagickSetImageColormapColor method is: % % MagickBooleanType MagickSetImageColormapColor(MagickWand *wand, % const unsigned long index,const PixelWand *color) % % A description of each parameter follows: % % o wand: The magick wand. % % o index: The offset into the image colormap. % % o color: Return the colormap color in this wand. % */ WandExport MagickBooleanType MagickSetImageColormapColor(MagickWand *wand, const unsigned long index,const PixelWand *color) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); if ((wand->images->colormap == (PixelPacket *) NULL) || (index >= wand->images->colors)) { char *message; message=GetExceptionMessage(errno); ThrowWandException(WandError,"InvalidColormapIndex",message); message=DestroyString(message); } PixelGetQuantumColor(color,wand->images->colormap+index); return(SyncImage(wand->images)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e C o l o r s p a c e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageColorspace() sets the image colorspace. % % The format of the MagickSetImageColorspace method is: % % MagickBooleanType MagickSetImageColorspace(MagickWand *wand, % const ColorspaceType colorspace) % % A description of each parameter follows: % % o wand: The magick wand. % % o colorspace: The image colorspace: UndefinedColorspace, RGBColorspace, % GRAYColorspace, TransparentColorspace, OHTAColorspace, XYZColorspace, % YCbCrColorspace, YCCColorspace, YIQColorspace, YPbPrColorspace, % YPbPrColorspace, YUVColorspace, CMYKColorspace, sRGBColorspace, % HSLColorspace, or HWBColorspace. % */ WandExport MagickBooleanType MagickSetImageColorspace(MagickWand *wand, const ColorspaceType colorspace) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(SetImageColorspace(wand->images,colorspace)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e C o m p o s e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageCompose() sets the image composite operator, useful for % specifying how to composite the image thumbnail when using the % MagickMontageImage() method. % % The format of the MagickSetImageCompose method is: % % MagickBooleanType MagickSetImageCompose(MagickWand *wand, % const CompositeOperator compose) % % A description of each parameter follows: % % o wand: The magick wand. % % o compose: The image composite operator. % */ WandExport MagickBooleanType MagickSetImageCompose(MagickWand *wand, const CompositeOperator compose) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->compose=compose; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e C o m p r e s s i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageCompression() sets the image compression. % % The format of the MagickSetImageCompression method is: % % MagickBooleanType MagickSetImageCompression(MagickWand *wand, % const CompressionType compression) % % A description of each parameter follows: % % o wand: The magick wand. % % o compression: The image compression type. % */ WandExport MagickBooleanType MagickSetImageCompression(MagickWand *wand, const CompressionType compression) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->compression=compression; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e C o m p r e s s i o n Q u a l i t y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageCompressionQuality() sets the image compression quality. % % The format of the MagickSetImageCompressionQuality method is: % % MagickBooleanType MagickSetImageCompressionQuality(MagickWand *wand, % const unsigned long quality) % % A description of each parameter follows: % % o wand: The magick wand. % % o quality: The image compression tlityype. % */ WandExport MagickBooleanType MagickSetImageCompressionQuality(MagickWand *wand, const unsigned long quality) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->quality=quality; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e D e l a y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageDelay() sets the image delay. % % The format of the MagickSetImageDelay method is: % % MagickBooleanType MagickSetImageDelay(MagickWand *wand, % const unsigned long delay) % % A description of each parameter follows: % % o wand: The magick wand. % % o delay: The image delay in ticks-per-second units. % */ WandExport MagickBooleanType MagickSetImageDelay(MagickWand *wand, const unsigned long delay) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->delay=delay; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e D e p t h % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageDepth() sets the image depth. % % The format of the MagickSetImageDepth method is: % % MagickBooleanType MagickSetImageDepth(MagickWand *wand, % const unsigned long depth) % % A description of each parameter follows: % % o wand: The magick wand. % % o depth: The image depth in bits: 8, 16, or 32. % */ WandExport MagickBooleanType MagickSetImageDepth(MagickWand *wand, const unsigned long depth) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(SetImageDepth(wand->images,depth)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e D i s p o s e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageDispose() sets the image disposal method. % % The format of the MagickSetImageDispose method is: % % MagickBooleanType MagickSetImageDispose(MagickWand *wand, % const DisposeType dispose) % % A description of each parameter follows: % % o wand: The magick wand. % % o dispose: The image disposeal type. % */ WandExport MagickBooleanType MagickSetImageDispose(MagickWand *wand, const DisposeType dispose) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->dispose=dispose; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e E x t e n t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageExtent() sets the image size (i.e. columns & rows). % % The format of the MagickSetImageExtent method is: % % MagickBooleanType MagickSetImageExtent(MagickWand *wand, % const unsigned long columns,const unsigned rows) % % A description of each parameter follows: % % o wand: The magick wand. % % o columns: The image width in pixels. % % o rows: The image height in pixels. % */ WandExport MagickBooleanType MagickSetImageExtent(MagickWand *wand, const unsigned long columns,const unsigned long rows) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(SetImageExtent(wand->images,columns,rows)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e F i l e n a m e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageFilename() sets the filename of a particular image in a % sequence. % % The format of the MagickSetImageFilename method is: % % MagickBooleanType MagickSetImageFilename(MagickWand *wand, % const char *filename) % % A description of each parameter follows: % % o wand: The magick wand. % % o filename: The image filename. % */ WandExport MagickBooleanType MagickSetImageFilename(MagickWand *wand, const char *filename) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); if (filename != (const char *) NULL) (void) CopyMagickString(wand->images->filename,filename,MaxTextExtent); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e F o r m a t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageFormat() sets the format of a particular image in a % sequence. % % The format of the MagickSetImageFormat method is: % % MagickBooleanType MagickSetImageFormat(MagickWand *wand, % const char *format) % % A description of each parameter follows: % % o wand: The magick wand. % % o format: The image format. % */ WandExport MagickBooleanType MagickSetImageFormat(MagickWand *wand, const char *format) { const MagickInfo *magick_info; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); if ((format == (char *) NULL) || (*format == '\0')) { *wand->images->magick='\0'; return(MagickTrue); } magick_info=GetMagickInfo(format,wand->exception); if (magick_info == (const MagickInfo *) NULL) return(MagickFalse); ClearMagickException(wand->exception); (void) CopyMagickString(wand->images->magick,format,MaxTextExtent); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e G a m m a % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageGamma() sets the image gamma. % % The format of the MagickSetImageGamma method is: % % MagickBooleanType MagickSetImageGamma(MagickWand *wand, % const double gamma) % % A description of each parameter follows: % % o wand: The magick wand. % % o gamma: The image gamma. % */ WandExport MagickBooleanType MagickSetImageGamma(MagickWand *wand, const double gamma) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->gamma=gamma; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e G r e e n P r i m a r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageGreenPrimary() sets the image chromaticity green primary % point. % % The format of the MagickSetImageGreenPrimary method is: % % MagickBooleanType MagickSetImageGreenPrimary(MagickWand *wand, % const double x,const double y) % % A description of each parameter follows: % % o wand: The magick wand. % % o x: The green primary x-point. % % o y: The green primary y-point. % % */ WandExport MagickBooleanType MagickSetImageGreenPrimary(MagickWand *wand, const double x,const double y) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->chromaticity.green_primary.x=x; wand->images->chromaticity.green_primary.y=y; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e I n t e r l a c e S c h e m e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageInterlaceScheme() sets the image compression. % % The format of the MagickSetImageInterlaceScheme method is: % % MagickBooleanType MagickSetImageInterlaceScheme(MagickWand *wand, % const InterlaceType interlace_scheme) % % A description of each parameter follows: % % o wand: The magick wand. % % o interlace_scheme: The image interlace scheme: NoInterlace, LineInterlace, % PlaneInterlace, PartitionInterlace. % */ WandExport MagickBooleanType MagickSetImageInterlaceScheme(MagickWand *wand, const InterlaceType interlace_scheme) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->interlace=interlace_scheme; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e I n t e r p o l a t e M e t h o d % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageInterpolateMethod() sets the image interpolate pixel method. % % The format of the MagickSetImageInterpolateMethod method is: % % MagickBooleanType MagickSetImageInterpolateMethod(MagickWand *wand, % const InterpolatePixelMethod method) % % A description of each parameter follows: % % o wand: The magick wand. % % o method: The image interpole pixel methods: choose from Undefined, % Average, Bicubic, Bilinear, Filter, Integer, Mesh, NearestNeighbor. % */ WandExport MagickBooleanType MagickSetImageInterpolateMethod(MagickWand *wand, const InterpolatePixelMethod method) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->interpolate=method; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e I t e r a t i o n s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageIterations() sets the image iterations. % % The format of the MagickSetImageIterations method is: % % MagickBooleanType MagickSetImageIterations(MagickWand *wand, % const unsigned long iterations) % % A description of each parameter follows: % % o wand: The magick wand. % % o delay: The image delay in 1/100th of a second. % */ WandExport MagickBooleanType MagickSetImageIterations(MagickWand *wand, const unsigned long iterations) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->iterations=iterations; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e M a t t e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageMatte() sets the image matte channel. % % The format of the MagickSetImageMatteColor method is: % % MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, % const MagickBooleanType *matte) % % A description of each parameter follows: % % o wand: The magick wand. % % o matte: Set to MagickTrue to enable the image matte channel otherwise % MagickFalse. % */ WandExport MagickBooleanType MagickSetImageMatte(MagickWand *wand, const MagickBooleanType matte) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); if ((wand->images->matte == MagickFalse) && (matte != MagickFalse)) (void) SetImageOpacity(wand->images,OpaqueOpacity); wand->images->matte=matte; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e M a t t e C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageMatteColor() sets the image matte color. % % The format of the MagickSetImageMatteColor method is: % % MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, % const PixelWand *matte) % % A description of each parameter follows: % % o wand: The magick wand. % % o matte: The matte pixel wand. % */ WandExport MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, const PixelWand *matte) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); PixelGetQuantumColor(matte,&wand->images->matte_color); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e O p a c i t y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageOpacity() sets the image to the specified opacity level. % % The format of the MagickSetImageOpacity method is: % % MagickBooleanType MagickSetImageOpacity(MagickWand *wand, % const double alpha) % % A description of each parameter follows: % % o wand: The magick wand. % % o alpha: The level of transparency: 1.0 is fully opaque and 0.0 is fully % transparent. % */ WandExport MagickBooleanType MagickSetImageOpacity(MagickWand *wand, const double alpha) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=SetImageOpacity(wand->images,RoundToQuantum((MagickRealType) QuantumRange-QuantumRange*alpha)); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e O r i e n t a t i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageOrientation() sets the image orientation. % % The format of the MagickSetImageOrientation method is: % % MagickBooleanType MagickSetImageOrientation(MagickWand *wand, % const OrientationType orientation) % % A description of each parameter follows: % % o wand: The magick wand. % % o orientation: The image orientation type. % */ WandExport MagickBooleanType MagickSetImageOrientation(MagickWand *wand, const OrientationType orientation) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->orientation=orientation; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e P a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImagePage() sets the page geometry of the image. % % The format of the MagickSetImagePage method is: % % MagickBooleanType MagickSetImagePage(MagickWand *wand, % const unsigned long width,const unsigned long height,const long x, % const long y) % % A description of each parameter follows: % % o wand: The magick wand. % % o width: The page width. % % o height: The page height. % % o x: The page x-offset. % % o y: The page y-offset. % */ WandExport MagickBooleanType MagickSetImagePage(MagickWand *wand, const unsigned long width,const unsigned long height,const long x, const long y) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->page.width=width; wand->images->page.height=height; wand->images->page.x=x; wand->images->page.y=y; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e P i x e l s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImagePixels() accepts pixel data and stores it in the image at the % location you specify. The method returns MagickFalse on success otherwise % MagickTrue if an error is encountered. The pixel data can be either char, % short int, int, long, float, or double in the order specified by map. % % Suppose your want want to upload the first scanline of a 640x480 image from % character data in red-green-blue order: % % MagickSetImagePixels(wand,0,0,640,1,"RGB",CharPixel,pixels); % % The format of the MagickSetImagePixels method is: % % MagickBooleanType MagickSetImagePixels(MagickWand *wand, % const long x,const long y,const unsigned long columns, % const unsigned long rows,const char *map,const StorageType storage, % const void *pixels) % % A description of each parameter follows: % % o wand: The magick wand. % % o x, y, columns, rows: These values define the perimeter of a region % of pixels you want to define. % % o map: This string reflects the expected ordering of the pixel array. % It can be any combination or order of R = red, G = green, B = blue, % A = alpha (0 is transparent), O = opacity (0 is opaque), C = cyan, % Y = yellow, M = magenta, K = black, I = intensity (for grayscale), % P = pad. % % o storage: Define the data type of the pixels. Float and double types are % expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from % these types: CharPixel, ShortPixel, IntegerPixel, LongPixel, FloatPixel, % or DoublePixel. % % o pixels: This array of values contain the pixel components as defined by % map and type. You must preallocate this array where the expected % length varies depending on the values of width, height, map, and type. % % */ WandExport MagickBooleanType MagickSetImagePixels(MagickWand *wand, const long x,const long y,const unsigned long columns, const unsigned long rows,const char *map,const StorageType storage, const void *pixels) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=ImportImagePixels(wand->images,x,y,columns,rows,map,storage,pixels); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e P r o g r e s s M o n i t o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageProgressMonitor() sets the wand image progress monitor to the % specified method and returns the previous progress monitor if any. The % progress monitor method looks like this: % % MagickBooleanType MagickProgressMonitor(const char *text, % const MagickOffsetType offset,const MagickSizeType span, % void *client_data) % % If the progress monitor returns MagickFalse, the current operation is % interrupted. % % The format of the MagickSetImageProgressMonitor method is: % % MagickProgressMonitor MagickSetImageProgressMonitor(MagickWand *wand % const MagickProgressMonitor progress_monitor,void *client_data) % % A description of each parameter follows: % % o wand: The magick wand. % % o progress_monitor: Specifies a pointer to a method to monitor progress % of an image operation. % % o client_data: Specifies a pointer to any client data. % */ WandExport MagickProgressMonitor MagickSetImageProgressMonitor(MagickWand *wand, const MagickProgressMonitor progress_monitor,void *client_data) { MagickProgressMonitor previous_monitor; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((MagickProgressMonitor) NULL); } previous_monitor=SetImageProgressMonitor(wand->images, progress_monitor,client_data); return(previous_monitor); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e R e d P r i m a r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageRedPrimary() sets the image chromaticity red primary point. % % The format of the MagickSetImageRedPrimary method is: % % MagickBooleanType MagickSetImageRedPrimary(MagickWand *wand, % const double x,const double y) % % A description of each parameter follows: % % o wand: The magick wand. % % o x: The red primary x-point. % % o y: The red primary y-point. % */ WandExport MagickBooleanType MagickSetImageRedPrimary(MagickWand *wand, const double x,const double y) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->chromaticity.red_primary.x=x; wand->images->chromaticity.red_primary.y=y; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e R e n d e r i n g I n t e n t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageRenderingIntent() sets the image rendering intent. % % The format of the MagickSetImageRenderingIntent method is: % % MagickBooleanType MagickSetImageRenderingIntent(MagickWand *wand, % const RenderingIntent rendering_intent) % % A description of each parameter follows: % % o wand: The magick wand. % % o rendering_intent: The image rendering intent: UndefinedIntent, % SaturationIntent, PerceptualIntent, AbsoluteIntent, or RelativeIntent. % */ WandExport MagickBooleanType MagickSetImageRenderingIntent(MagickWand *wand, const RenderingIntent rendering_intent) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->rendering_intent=rendering_intent; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e R e s o l u t i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageResolution() sets the image resolution. % % The format of the MagickSetImageResolution method is: % % MagickBooleanType MagickSetImageResolution(MagickWand *wand, % const double x_resolution,const doubtl y_resolution) % % A description of each parameter follows: % % o wand: The magick wand. % % o x_resolution: The image x resolution. % % o y_resolution: The image y resolution. % */ WandExport MagickBooleanType MagickSetImageResolution(MagickWand *wand, const double x_resolution,const double y_resolution) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->x_resolution=x_resolution; wand->images->y_resolution=y_resolution; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e S c e n e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageScene() sets the image scene. % % The format of the MagickSetImageScene method is: % % MagickBooleanType MagickSetImageScene(MagickWand *wand, % const unsigned long scene) % % A description of each parameter follows: % % o wand: The magick wand. % % o delay: The image scene number. % */ WandExport MagickBooleanType MagickSetImageScene(MagickWand *wand, const unsigned long scene) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->scene=scene; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e T i c k s P e r S e c o n d % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageTicksPerSecond() sets the image ticks-per-second. % % The format of the MagickSetImageTicksPerSecond method is: % % MagickBooleanType MagickSetImageTicksPerSecond(MagickWand *wand, % const long ticks_per-second) % % A description of each parameter follows: % % o wand: The magick wand. % % o ticks_per_second: The units to use for the image delay. % */ WandExport MagickBooleanType MagickSetImageTicksPerSecond(MagickWand *wand, const long ticks_per_second) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->ticks_per_second=ticks_per_second; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e T y p e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageType() sets the image type. % % The format of the MagickSetImageType method is: % % MagickBooleanType MagickSetImageType(MagickWand *wand, % const ImageType image_type) % % A description of each parameter follows: % % o wand: The magick wand. % % o image_type: The image type: UndefinedType, BilevelType, GrayscaleType, % GrayscaleMatteType, PaletteType, PaletteMatteType, TrueColorType, % TrueColorMatteType, ColorSeparationType, ColorSeparationMatteType, % or OptimizeType. % */ WandExport MagickBooleanType MagickSetImageType(MagickWand *wand, const ImageType image_type) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); return(SetImageType(wand->images,image_type)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e U n i t s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageUnits() sets the image units of resolution. % % The format of the MagickSetImageUnits method is: % % MagickBooleanType MagickSetImageUnits(MagickWand *wand, % const ResolutionType units) % % A description of each parameter follows: % % o wand: The magick wand. % % o units: The image units of resolution : UndefinedResolution, % PixelsPerInchResolution, or PixelsPerCentimeterResolution. % */ WandExport MagickBooleanType MagickSetImageUnits(MagickWand *wand, const ResolutionType units) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->units=units; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I m a g e W h i t e P o i n t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetImageWhitePoint() sets the image chromaticity white point. % % The format of the MagickSetImageWhitePoint method is: % % MagickBooleanType MagickSetImageWhitePoint(MagickWand *wand, % const double x,const double y) % % A description of each parameter follows: % % o wand: The magick wand. % % o x: The white x-point. % % o y: The white y-point. % % */ WandExport MagickBooleanType MagickSetImageWhitePoint(MagickWand *wand, const double x,const double y) { assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->chromaticity.white_point.x=x; wand->images->chromaticity.white_point.y=y; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S h a d e I m a g e C h a n n e l % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickShadeImage() shines a distant light on an image to create a % three-dimensional effect. You control the positioning of the light with % azimuth and elevation; azimuth is measured in degrees off the x axis % and elevation is measured in pixels above the Z axis. % % The format of the MagickShadeImage method is: % % MagickBooleanType MagickShadeImage(MagickWand *wand, % const MagickBooleanType gray,const double azimuth, % const double elevation) % % A description of each parameter follows: % % o wand: The magick wand. % % o gray: A value other than zero shades the intensity of each pixel. % % o azimuth, elevation: Define the light source direction. % */ WandExport MagickBooleanType MagickShadeImage(MagickWand *wand, const MagickBooleanType gray,const double asimuth,const double elevation) { Image *shade_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); shade_image=ShadeImage(wand->images,gray,asimuth,elevation,wand->exception); if (shade_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,shade_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S h a d o w I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickShadowImage() simulates an image shadow. % % The format of the MagickShadowImage method is: % % MagickBooleanType MagickShadowImage(MagickWand *wand, % const double opacity,const double sigma,const long x,const long y) % % A description of each parameter follows: % % o wand: The magick wand. % % o opacity: percentage transparency. % % o sigma: The standard deviation of the Gaussian, in pixels. % % o x: the shadow x-offset. % % o y: the shadow y-offset. % */ WandExport MagickBooleanType MagickShadowImage(MagickWand *wand, const double opacity,const double sigma,const long x,const long y) { Image *shadow_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); shadow_image=ShadowImage(wand->images,opacity,sigma,x,y,wand->exception); if (shadow_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,shadow_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S h a r p e n I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSharpenImage() sharpens an image. We convolve the image with a % Gaussian operator of the given radius and standard deviation (sigma). % For reasonable results, the radius should be larger than sigma. Use a % radius of 0 and MagickSharpenImage() selects a suitable radius for you. % % The format of the MagickSharpenImage method is: % % MagickBooleanType MagickSharpenImage(MagickWand *wand, % const double radius,const double sigma) % MagickBooleanType MagickSharpenImageChannel(MagickWand *wand, % const ChannelType channel,const double radius,const double sigma) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o radius: The radius of the Gaussian, in pixels, not counting the center % pixel. % % o sigma: The standard deviation of the Gaussian, in pixels. % */ WandExport MagickBooleanType MagickSharpenImage(MagickWand *wand, const double radius,const double sigma) { MagickBooleanType status; status=MagickSharpenImageChannel(wand,DefaultChannels,radius,sigma); return(status); } WandExport MagickBooleanType MagickSharpenImageChannel(MagickWand *wand, const ChannelType channel,const double radius,const double sigma) { Image *sharp_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); sharp_image=SharpenImageChannel(wand->images,channel,radius,sigma, wand->exception); if (sharp_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,sharp_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S h a v e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickShaveImage() shaves pixels from the image edges. It allocates the % memory necessary for the new Image structure and returns a pointer to the % new image. % % The format of the MagickShaveImage method is: % % MagickBooleanType MagickShaveImage(MagickWand *wand, % const unsigned long columns,const unsigned long rows) % % A description of each parameter follows: % % o wand: The magick wand. % % o columns: The number of columns in the scaled image. % % o rows: The number of rows in the scaled image. % % */ WandExport MagickBooleanType MagickShaveImage(MagickWand *wand, const unsigned long columns,const unsigned long rows) { Image *shave_image; RectangleInfo shave_info; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); shave_info.width=columns; shave_info.height=rows; shave_info.x=0; shave_info.y=0; shave_image=ShaveImage(wand->images,&shave_info,wand->exception); if (shave_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,shave_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S h e a r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickShearImage() slides one edge of an image along the X or Y axis, % creating a parallelogram. An X direction shear slides an edge along the X % axis, while a Y direction shear slides an edge along the Y axis. The amount % of the shear is controlled by a shear angle. For X direction shears, x_shear % is measured relative to the Y axis, and similarly, for Y direction shears % y_shear is measured relative to the X axis. Empty triangles left over from % shearing the image are filled with the background color. % % The format of the MagickShearImage method is: % % MagickBooleanType MagickShearImage(MagickWand *wand, % const PixelWand *background,const double x_shear,onst double y_shear) % % A description of each parameter follows: % % o wand: The magick wand. % % o background: The background pixel wand. % % o x_shear: The number of degrees to shear the image. % % o y_shear: The number of degrees to shear the image. % % */ WandExport MagickBooleanType MagickShearImage(MagickWand *wand, const PixelWand *background,const double x_shear,const double y_shear) { Image *shear_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); PixelGetQuantumColor(background,&wand->images->background_color); shear_image=ShearImage(wand->images,x_shear,y_shear,wand->exception); if (shear_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,shear_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S i g m o i d a l C o n t r a s t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSigmoidalContrastImage() adjusts the contrast of an image with a % non-linear sigmoidal contrast algorithm. Increase the contrast of the % image using a sigmoidal transfer function without saturating highlights or % shadows. Contrast indicates how much to increase the contrast (0 is none; % 3 is typical; 20 is pushing it); mid-point indicates where midtones fall in % the resultant image (0 is white; 50% is middle-gray; 100% is black). Set % sharpen to MagickTrue to increase the image contrast otherwise the contrast % is reduced. % % The format of the MagickSigmoidalContrastImage method is: % % MagickBooleanType MagickSigmoidalContrastImage(MagickWand *wand, % const MagickBooleanType sharpen,const double alpha,const double beta) % MagickBooleanType MagickSigmoidalContrastImageChannel(MagickWand *wand, % const ChannelType channel,const MagickBooleanType sharpen, % const double alpha,const double beta) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: Identify which channel to level: RedChannel, GreenChannel, % % o sharpen: Increase or decrease image contrast. % % o alpha: control the "shoulder" of the contast curve. % % o beta: control the "toe" of the contast curve. % */ WandExport MagickBooleanType MagickSigmoidalContrastImage(MagickWand *wand, const MagickBooleanType sharpen,const double alpha,const double beta) { MagickBooleanType status; status=MagickSigmoidalContrastImageChannel(wand,DefaultChannels,sharpen, alpha,beta); return(status); } WandExport MagickBooleanType MagickSigmoidalContrastImageChannel( MagickWand *wand,const ChannelType channel,const MagickBooleanType sharpen, const double alpha,const double beta) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=SigmoidalContrastImageChannel(wand->images,channel,sharpen,alpha,beta); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S k e t c h I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSketchImage() simulates a pencil sketch. We convolve the image with % a Gaussian operator of the given radius and standard deviation (sigma). % For reasonable results, radius should be larger than sigma. Use a % radius of 0 and SketchImage() selects a suitable radius for you. % Angle gives the angle of the blurring motion. % % The format of the MagickSketchImage method is: % % MagickBooleanType MagickSketchImage(MagickWand *wand, % const double radius,const double sigma,const double angle) % % A description of each parameter follows: % % o wand: The magick wand. % % o radius: The radius of the Gaussian, in pixels, not counting % the center pixel. % % o sigma: The standard deviation of the Gaussian, in pixels. % % o angle: Apply the effect along this angle. % */ WandExport MagickBooleanType MagickSketchImage(MagickWand *wand, const double radius,const double sigma,const double angle) { Image *sketch_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); sketch_image=SketchImage(wand->images,radius,sigma,angle,wand->exception); if (sketch_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,sketch_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S o l a r i z e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSolarizeImage() applies a special effect to the image, similar to the % effect achieved in a photo darkroom by selectively exposing areas of photo % sensitive paper to light. Threshold ranges from 0 to QuantumRange and is a % measure of the extent of the solarization. % % The format of the MagickSolarizeImage method is: % % MagickBooleanType MagickSolarizeImage(MagickWand *wand, % const double threshold) % % A description of each parameter follows: % % o wand: The magick wand. % % o threshold: Define the extent of the solarization. % */ WandExport MagickBooleanType MagickSolarizeImage(MagickWand *wand, const double threshold) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=SolarizeImage(wand->images,threshold); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S p l i c e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSpliceImage() splices a solid color into the image. % % The format of the MagickSpliceImage method is: % % MagickBooleanType MagickSpliceImage(MagickWand *wand, % const unsigned long width,const unsigned long height,const long x, % const long y) % % A description of each parameter follows: % % o wand: The magick wand. % % o width: The region width. % % o height: The region height. % % o x: The region x offset. % % o y: The region y offset. % */ WandExport MagickBooleanType MagickSpliceImage(MagickWand *wand, const unsigned long width,const unsigned long height,const long x, const long y) { Image *splice_image; RectangleInfo splice; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); splice.width=width; splice.height=height; splice.x=x; splice.y=y; splice_image=SpliceImage(wand->images,&splice,wand->exception); if (splice_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,splice_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S p r e a d I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSpreadImage() is a special effects method that randomly displaces each % pixel in a block defined by the radius parameter. % % The format of the MagickSpreadImage method is: % % MagickBooleanType MagickSpreadImage(MagickWand *wand,const double radius) % % A description of each parameter follows: % % o wand: The magick wand. % % o radius: Choose a random pixel in a neighborhood of this extent. % */ WandExport MagickBooleanType MagickSpreadImage(MagickWand *wand, const double radius) { Image *spread_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); spread_image=SpreadImage(wand->images,radius,wand->exception); if (spread_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,spread_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S t e g a n o I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSteganoImage() hides a digital watermark within the image. % Recover the hidden watermark later to prove that the authenticity of % an image. Offset defines the start position within the image to hide % the watermark. % % The format of the MagickSteganoImage method is: % % MagickWand *MagickSteganoImage(MagickWand *wand, % const MagickWand *watermark_wand,const long offset) % % A description of each parameter follows: % % o wand: The magick wand. % % o watermark_wand: The watermark wand. % % o offset: Start hiding at this offset into the image. % */ WandExport MagickWand *MagickSteganoImage(MagickWand *wand, const MagickWand *watermark_wand,const long offset) { Image *stegano_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if ((wand->images == (Image *) NULL) || (watermark_wand->images == (Image *) NULL)) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((MagickWand *) NULL); } wand->images->offset=offset; stegano_image=SteganoImage(wand->images,watermark_wand->images, wand->exception); if (stegano_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,stegano_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S t e r e o I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickStereoImage() composites two images and produces a single image that % is the composite of a left and right image of a stereo pair % % The format of the MagickStereoImage method is: % % MagickWand *MagickStereoImage(MagickWand *wand, % const MagickWand *offset_wand) % % A description of each parameter follows: % % o wand: The magick wand. % % o offset_wand: Another image wand. % */ WandExport MagickWand *MagickStereoImage(MagickWand *wand, const MagickWand *offset_wand) { Image *stereo_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if ((wand->images == (Image *) NULL) || (offset_wand->images == (Image *) NULL)) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((MagickWand *) NULL); } stereo_image=StereoImage(wand->images,offset_wand->images,wand->exception); if (stereo_image == (Image *) NULL) return((MagickWand *) NULL); return(CloneMagickWandFromImages(wand,stereo_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S t r i p I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickStripImage() strips an image of all profiles and comments. % % The format of the MagickStripImage method is: % % MagickBooleanType MagickStripImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickStripImage(MagickWand *wand) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=StripImage(wand->images); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S w i r l I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSwirlImage() swirls the pixels about the center of the image, where % degrees indicates the sweep of the arc through which each pixel is moved. % You get a more dramatic effect as the degrees move from 1 to 360. % % The format of the MagickSwirlImage method is: % % MagickBooleanType MagickSwirlImage(MagickWand *wand,const double degrees) % % A description of each parameter follows: % % o wand: The magick wand. % % o degrees: Define the tightness of the swirling effect. % */ WandExport MagickBooleanType MagickSwirlImage(MagickWand *wand, const double degrees) { Image *swirl_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); swirl_image=SwirlImage(wand->images,degrees,wand->exception); if (swirl_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,swirl_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k T e x t u r e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickTextureImage() repeatedly tiles the texture image across and down the % image canvas. % % The format of the MagickTextureImage method is: % % MagickWand *MagickTextureImage(MagickWand *wand, % const MagickWand *texture_wand) % % A description of each parameter follows: % % o wand: The magick wand. % % o texture_wand: The texture wand % */ WandExport MagickWand *MagickTextureImage(MagickWand *wand, const MagickWand *texture_wand) { Image *texture_image; MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if ((wand->images == (Image *) NULL) || (texture_wand->images == (Image *) NULL)) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((MagickWand *) NULL); } texture_image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); if (texture_image == (Image *) NULL) return((MagickWand *) NULL); status=TextureImage(texture_image,texture_wand->images); if (status == MagickFalse) { InheritException(wand->exception,&texture_image->exception); texture_image=DestroyImage(texture_image); return((MagickWand *) NULL); } return(CloneMagickWandFromImages(wand,texture_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k T h r e s h o l d I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickThresholdImage() changes the value of individual pixels based on % the intensity of each pixel compared to threshold. The result is a % high-contrast, two color image. % % The format of the MagickThresholdImage method is: % % MagickBooleanType MagickThresholdImage(MagickWand *wand, % const double threshold) % MagickBooleanType MagickThresholdImageChannel(MagickWand *wand, % const ChannelType channel,const double threshold) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o threshold: Define the threshold value. % */ WandExport MagickBooleanType MagickThresholdImage(MagickWand *wand, const double threshold) { MagickBooleanType status; status=MagickThresholdImageChannel(wand,DefaultChannels,threshold); return(status); } WandExport MagickBooleanType MagickThresholdImageChannel(MagickWand *wand, const ChannelType channel,const double threshold) { MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); status=BilevelImageChannel(wand->images,channel,threshold); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k T h u m b n a i l I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickThumbnailImage() changes the size of an image to the given dimensions % and removes any associated profiles. The goal is to produce small low cost % thumbnail images suited for display on the Web. % % The format of the MagickThumbnailImage method is: % % MagickBooleanType MagickThumbnailImage(MagickWand *wand, % const unsigned long columns,const unsigned long rows) % % A description of each parameter follows: % % o wand: The magick wand. % % o columns: The number of columns in the scaled image. % % o rows: The number of rows in the scaled image. % */ WandExport MagickBooleanType MagickThumbnailImage(MagickWand *wand, const unsigned long columns,const unsigned long rows) { Image *thumbnail_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); thumbnail_image=ThumbnailImage(wand->images,columns,rows,wand->exception); if (thumbnail_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,thumbnail_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k T i n t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickTintImage() applies a color vector to each pixel in the image. The % length of the vector is 0 for black and white and at its maximum for the % midtones. The vector weighting function is % f(x)=(1-(4.0*((x-0.5)*(x-0.5)))). % % The format of the MagickTintImage method is: % % MagickBooleanType MagickTintImage(MagickWand *wand, % const PixelWand *tint,const PixelWand *opacity) % % A description of each parameter follows: % % o wand: The magick wand. % % o tint: The tint pixel wand. % % o opacity: The opacity pixel wand. % */ WandExport MagickBooleanType MagickTintImage(MagickWand *wand, const PixelWand *tint,const PixelWand *opacity) { char percent_opaque[MaxTextExtent]; Image *tint_image; PixelPacket target; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); (void) FormatMagickString(percent_opaque,MaxTextExtent,"%g,%g,%g,%g", (double) (100.0*QuantumScale*PixelGetRedQuantum(opacity)), (double) (100.0*QuantumScale*PixelGetGreenQuantum(opacity)), (double) (100.0*QuantumScale*PixelGetBlueQuantum(opacity)), (double) (100.0*QuantumScale*PixelGetOpacityQuantum(opacity))); PixelGetQuantumColor(tint,&target); tint_image=TintImage(wand->images,percent_opaque,target,wand->exception); if (tint_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,tint_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k T r a n s f o r m I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickTransformImage() is a convenience method that behaves like % MagickResizeImage() or MagickCropImage() but accepts scaling and/or cropping % information as a region geometry specification. If the operation fails, % a NULL image handle is returned. % % The format of the MagickTransformImage method is: % % MagickWand *MagickTransformImage(MagickWand *wand,const char *crop, % const char *geometry) % % A description of each parameter follows: % % o wand: The magick wand. % % o crop: A crop geometry string. This geometry defines a subregion of the % image to crop. % % o geometry: An image geometry string. This geometry defines the final % size of the image. % */ WandExport MagickWand *MagickTransformImage(MagickWand *wand, const char *crop,const char *geometry) { Image *transform_image; MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return((MagickWand *) NULL); transform_image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); if (transform_image == (Image *) NULL) return((MagickWand *) NULL); status=TransformImage(&transform_image,crop,geometry); if (status == MagickFalse) { InheritException(wand->exception,&transform_image->exception); transform_image=DestroyImage(transform_image); return((MagickWand *) NULL); } return(CloneMagickWandFromImages(wand,transform_image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k T r a n s p o s e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickTransposeImage() creates a vertical mirror image by reflecting the % pixels around the central x-axis while rotating them 90-degrees. % % The format of the MagickTransposeImage method is: % % MagickBooleanType MagickTransposeImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickTransposeImage(MagickWand *wand) { Image *transpose_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); transpose_image=TransposeImage(wand->images,wand->exception); if (transpose_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,transpose_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k T r a n s v e r s e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickTransverseImage() creates a horizontal mirror image by reflecting the % pixels around the central y-axis while rotating them 270-degrees. % % The format of the MagickTransverseImage method is: % % MagickBooleanType MagickTransverseImage(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickTransverseImage(MagickWand *wand) { Image *transverse_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); transverse_image=TransverseImage(wand->images,wand->exception); if (transverse_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,transverse_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k T r i m I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickTrimImage() remove edges that are the background color from the image. % % The format of the MagickTrimImage method is: % % MagickBooleanType MagickTrimImage(MagickWand *wand,const double fuzz) % % A description of each parameter follows: % % o wand: The magick wand. % % o fuzz: By default target must match a particular pixel color % exactly. However, in many cases two colors may differ by a small amount. % The fuzz member of image defines how much tolerance is acceptable to % consider two colors as the same. For example, set fuzz to 10 and the % color red at intensities of 100 and 102 respectively are now interpreted % as the same color for the purposes of the floodfill. % */ WandExport MagickBooleanType MagickTrimImage(MagickWand *wand,const double fuzz) { Image *trim_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wand->images->fuzz=fuzz; trim_image=TrimImage(wand->images,wand->exception); if (trim_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,trim_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k U n i q u e I m a g e C o l o r s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickUniqueImageColors() discards all but one of any pixel color. % % The format of the MagickUniqueImageColors method is: % % MagickBooleanType MagickUniqueImageColors(MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickBooleanType MagickUniqueImageColors(MagickWand *wand) { Image *unique_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); unique_image=UniqueImageColors(wand->images,wand->exception); if (unique_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,unique_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k U n s h a r p M a s k I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickUnsharpMaskImage() sharpens an image. We convolve the image with a % Gaussian operator of the given radius and standard deviation (sigma). % For reasonable results, radius should be larger than sigma. Use a radius % of 0 and UnsharpMaskImage() selects a suitable radius for you. % % The format of the MagickUnsharpMaskImage method is: % % MagickBooleanType MagickUnsharpMaskImage(MagickWand *wand, % const double radius,const double sigma,const double amount, % const double threshold) % MagickBooleanType MagickUnsharpMaskImageChannel(MagickWand *wand, % const ChannelType channel,const double radius,const double sigma, % const double amount,const double threshold) % % A description of each parameter follows: % % o wand: The magick wand. % % o channel: The image channel(s). % % o radius: The radius of the Gaussian, in pixels, not counting the center % pixel. % % o sigma: The standard deviation of the Gaussian, in pixels. % % o amount: The percentage of the difference between the original and the % blur image that is added back into the original. % % o threshold: The threshold in pixels needed to apply the diffence amount. % */ WandExport MagickBooleanType MagickUnsharpMaskImage(MagickWand *wand, const double radius,const double sigma,const double amount, const double threshold) { MagickBooleanType status; status=MagickUnsharpMaskImageChannel(wand,DefaultChannels,radius,sigma, amount,threshold); return(status); } WandExport MagickBooleanType MagickUnsharpMaskImageChannel(MagickWand *wand, const ChannelType channel,const double radius,const double sigma, const double amount,const double threshold) { Image *unsharp_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); unsharp_image=UnsharpMaskImageChannel(wand->images,channel,radius,sigma, amount,threshold,wand->exception); if (unsharp_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,unsharp_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k V i g n e t t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickVignetteImage() softens the edges of the image in vignette style. % % The format of the MagickVignetteImage method is: % % MagickBooleanType MagickVignetteImage(MagickWand *wand, % const double black_point,const double white_point,const long x, % const long y) % % A description of each parameter follows: % % o wand: The magick wand. % % o black_point: The black point. % % o white_point: The white point. % % o x, y: Define the x and y ellipse offset. % */ WandExport MagickBooleanType MagickVignetteImage(MagickWand *wand, const double black_point,const double white_point,const long x,const long y) { Image *vignette_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); vignette_image=VignetteImage(wand->images,black_point,white_point,x,y, wand->exception); if (vignette_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,vignette_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k W a v e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickWaveImage() creates a "ripple" effect in the image by shifting % the pixels vertically along a sine wave whose amplitude and wavelength % is specified by the given parameters. % % The format of the MagickWaveImage method is: % % MagickBooleanType MagickWaveImage(MagickWand *wand,const double amplitude, % const double wave_length) % % A description of each parameter follows: % % o wand: The magick wand. % % o amplitude, wave_length: Define the amplitude and wave length of the % sine wave. % */ WandExport MagickBooleanType MagickWaveImage(MagickWand *wand, const double amplitude,const double wave_length) { Image *wave_image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); wave_image=WaveImage(wand->images,amplitude,wave_length,wand->exception); if (wave_image == (Image *) NULL) return(MagickFalse); ReplaceImageInList(&wand->images,wave_image); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k W h i t e T h r e s h o l d I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickWhiteThresholdImage() is like ThresholdImage() but force all pixels % above the threshold into white while leaving all pixels below the threshold % unchanged. % % The format of the MagickWhiteThresholdImage method is: % % MagickBooleanType MagickWhiteThresholdImage(MagickWand *wand, % const PixelWand *threshold) % % A description of each parameter follows: % % o wand: The magick wand. % % o threshold: The pixel wand. % */ WandExport MagickBooleanType MagickWhiteThresholdImage(MagickWand *wand, const PixelWand *threshold) { char thresholds[MaxTextExtent]; MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); (void) FormatMagickString(thresholds,MaxTextExtent, QuantumFormat "," QuantumFormat "," QuantumFormat "," QuantumFormat, PixelGetRedQuantum(threshold),PixelGetGreenQuantum(threshold), PixelGetBlueQuantum(threshold),PixelGetOpacityQuantum(threshold)); status=WhiteThresholdImage(wand->images,thresholds); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k W r i t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickWriteImage() writes an image to the specified filename. If the % filename parameter is NULL, the image is written to the filename set % by MagickReadImage() or MagickSetImageFilename(). % % The format of the MagickWriteImage method is: % % MagickBooleanType MagickWriteImage(MagickWand *wand, % const char *filename) % % A description of each parameter follows: % % o wand: The magick wand. % % o filename: The image filename. % % */ WandExport MagickBooleanType MagickWriteImage(MagickWand *wand, const char *filename) { Image *image; ImageInfo *write_info; MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); if (filename != (const char *) NULL) (void) CopyMagickString(wand->images->filename,filename,MaxTextExtent); image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); if (image == (Image *) NULL) return(MagickFalse); write_info=CloneImageInfo(wand->image_info); write_info->adjoin=MagickTrue; status=WriteImage(write_info,image); if (status == MagickFalse) InheritException(wand->exception,&image->exception); image=DestroyImage(image); write_info=DestroyImageInfo(write_info); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k W r i t e I m a g e F i l e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickWriteImageFile() writes an image to an open file descriptor. % % The format of the MagickWriteImageFile method is: % % MagickBooleanType MagickWriteImageFile(MagickWand *wand,FILE *file) % % A description of each parameter follows: % % o wand: The magick wand. % % o file: The file descriptor. % % */ WandExport MagickBooleanType MagickWriteImageFile(MagickWand *wand,FILE *file) { Image *image; ImageInfo *write_info; MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); assert(file != (FILE *) NULL); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); image=CloneImage(wand->images,0,0,MagickTrue,wand->exception); if (image == (Image *) NULL) return(MagickFalse); write_info=CloneImageInfo(wand->image_info); SetImageInfoFile(write_info,file); write_info->adjoin=MagickTrue; status=WriteImage(write_info,image); write_info=DestroyImageInfo(write_info); if (status == MagickFalse) InheritException(wand->exception,&image->exception); image=DestroyImage(image); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k W r i t e I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickWriteImages() writes an image or image sequence. % % The format of the MagickWriteImages method is: % % MagickBooleanType MagickWriteImages(MagickWand *wand, % const char *filename,const MagickBooleanType adjoin) % % A description of each parameter follows: % % o wand: The magick wand. % % o filename: The image filename. % % o adjoin: join images into a single multi-image file. % */ WandExport MagickBooleanType MagickWriteImages(MagickWand *wand, const char *filename,const MagickBooleanType adjoin) { ImageInfo *write_info; MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); write_info=CloneImageInfo(wand->image_info); write_info->adjoin=adjoin; status=WriteImages(write_info,wand->images,filename,wand->exception); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); write_info=DestroyImageInfo(write_info); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k W r i t e I m a g e s F i l e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickWriteImagesFile() writes an image sequence to an open file descriptor. % % The format of the MagickWriteImagesFile method is: % % MagickBooleanType MagickWriteImagesFile(MagickWand *wand,FILE *file) % % A description of each parameter follows: % % o wand: The magick wand. % % o file: The file descriptor. % */ WandExport MagickBooleanType MagickWriteImagesFile(MagickWand *wand,FILE *file) { ImageInfo *write_info; MagickBooleanType status; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) ThrowWandException(WandError,"ContainsNoImages",wand->name); write_info=CloneImageInfo(wand->image_info); SetImageInfoFile(write_info,file); write_info->adjoin=MagickTrue; status=WriteImages(write_info,wand->images,(const char *) NULL, wand->exception); write_info=DestroyImageInfo(write_info); if (status == MagickFalse) InheritException(wand->exception,&wand->images->exception); return(status); }