channel.h File Reference

#include <MagickCore/image.h>

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Functions
MagickExport Image *	ChannelFxImage (const Image *, const char *, ExceptionInfo *)
MagickExport Image *	CombineImages (const Image *, const ColorspaceType, ExceptionInfo *)
MagickExport Image *	SeparateImage (const Image *, const ChannelType, ExceptionInfo *)
MagickExport Image *	SeparateImages (const Image *, ExceptionInfo *)
MagickExport MagickBooleanType	GetImageAlphaChannel (const Image *)
MagickExport MagickBooleanType	SetImageAlphaChannel (Image *, const AlphaChannelOption, ExceptionInfo *)

Function Documentation

ChannelFxImage()

MagickExport Image * ChannelFxImage	(	const Image *	,
		const char *	,
		ExceptionInfo *
	)

CombineImages()

MagickExport Image * CombineImages	(	const Image *	,
		const	ColorspaceType,
		ExceptionInfo *
	)

GetImageAlphaChannel()

MagickExport MagickBooleanType GetImageAlphaChannel

(

const Image *

)

SeparateImage()

MagickExport Image * SeparateImage	(	const Image *	,
		const	ChannelType,
		ExceptionInfo *
	)

SeparateImages()

MagickExport Image * SeparateImages	(	const Image *	image,
		ExceptionInfo *	exception
	)

Definition at line 848 of file channel.c.

References AppendImageToList(), _Image::filename, GetMagickModule, GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, NewImageList(), SeparateImage(), _Image::signature, TraceEvent, UndefinedChannel, UndefinedPixelTrait, and UpdatePixelTrait.

SetImageAlphaChannel()

MagickExport MagickBooleanType SetImageAlphaChannel	(	Image *	image,
		const	AlphaChannelOption,
		ExceptionInfo *	exception
	)

Definition at line 972 of file channel.c.

References AcquireAuthenticCacheView(), ActivateAlphaChannel, _PixelInfo::alpha, _Image::alpha_trait, _PixelInfo::alpha_trait, AlphaCompositeOp, AlphaPixelChannel, AssociateAlphaChannel, _Image::background_color, BackgroundAlphaChannel, BlendPixelTrait, _Image::channel_mask, ClampToQuantum(), _Image::columns, CompositeImage(), ConformPixelInfo(), CopyAlphaChannel, CopyPixelTrait, DeactivateAlphaChannel, DestroyCacheView(), DirectClass, DisassociateAlphaChannel, DiscreteAlphaChannel, ExtractAlphaChannel, FlattenPixelInfo(), GetCacheViewAuthenticPixels(), GetMagickModule, GetPixelAlpha(), GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), GetPixelIntensity(), IntensityCompositeOp, IsEventLogging(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickTrue, OffAlphaChannel, OnAlphaChannel, OpaqueAlpha, OpaqueAlphaChannel, PerceptibleReciprocal(), QuantumScale, RemoveAlphaChannel, _Image::rows, SetAlphaChannel, SetImageAlpha(), SetImageStorageClass(), SetPixelChannel(), SetPixelChannelMask(), SetPixelViaPixelInfo(), ShapeAlphaChannel, _Image::signature, SyncCacheViewAuthenticPixels(), SyncImagePixelCache(), TraceEvent, TransparentAlpha, TransparentAlphaChannel, UndefinedAlphaChannel, UndefinedPixelTrait, and UpdatePixelTrait.

Referenced by BlendConvolveImage(), CannyEdgeImage(), ClearBounds(), ClutImage(), CompareImages(), CompositeImage(), DistortResizeImage(), DrawPrimitive(), HaldClutImage(), ImplodeImage(), MorphologyApply(), PolaroidImage(), RenderMVGContent(), RenderPostscript(), SetImageBackgroundColor(), SetImageType(), ShadowImage(), ShearImage(), ShearRotateImage(), SimilarityImage(), SwirlImage(), TransparentPaintImage(), and TransparentPaintImageChroma().