channel.c File Reference

#include "magick/studio.h"
#include "magick/cache-private.h"
#include "magick/channel.h"
#include "magick/color-private.h"
#include "magick/colorspace-private.h"
#include "magick/composite-private.h"
#include "magick/exception-private.h"
#include "magick/enhance.h"
#include "magick/image.h"
#include "magick/list.h"
#include "magick/log.h"
#include "magick/monitor.h"
#include "magick/monitor-private.h"
#include "magick/option.h"
#include "magick/pixel-accessor.h"
#include "magick/resource_.h"
#include "magick/string-private.h"
#include "magick/thread-private.h"
#include "magick/token.h"
#include "magick/utility.h"
#include "magick/version.h"

Include dependency graph for channel.c:

Macros
#define	CombineImageTag   "Combine/Image"
#define	SeparateImageTag   "Separate/Image"

Functions
MagickExport Image *	CombineImages (const Image *image, const ChannelType channel, ExceptionInfo *exception)
MagickExport MagickBooleanType	GetImageAlphaChannel (const Image *image)
MagickExport Image *	SeparateImage (const Image *image, const ChannelType channel, ExceptionInfo *exception)
MagickExport MagickBooleanType	SeparateImageChannel (Image *image, const ChannelType channel)
MagickExport Image *	SeparateImages (const Image *image, const ChannelType channel, ExceptionInfo *exception)
MagickExport MagickBooleanType	SetImageAlphaChannel (Image *image, const AlphaChannelType alpha_type)

Macro Definition Documentation

CombineImageTag

#define CombineImageTag   "Combine/Image"

SeparateImageTag

#define SeparateImageTag   "Separate/Image"

Function Documentation

CombineImages()

MagickExport Image* CombineImages	(	const Image *	image,
		const ChannelType	channel,
		ExceptionInfo *	exception
	)

References AcquireAuthenticCacheView(), AcquireVirtualCacheView(), BlueChannel, ClampToQuantum(), CloneImage(), CMYKColorspace, _Image::colorspace, _Image::columns, CombineImageTag, _Image::debug, DestroyCacheView(), DestroyImage(), DirectClass, _Image::exception, _Image::filename, _Image::gamma, GetCacheViewAuthenticIndexQueue(), GetCacheViewAuthenticPixels(), GetCacheViewVirtualPixels(), GetMagickModule, GetNextImageInList(), GetPixelIntensity(), GreenChannel, IndexChannel, InheritException(), IsGrayColorspace(), IssRGBCompatibleColorspace(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickEpsilon, MagickFalse, MagickTrue, _Image::matte, OpacityChannel, OptionError, _Image::progress_monitor, RedChannel, RGBColorspace, _Image::rows, SetImageBackgroundColor(), SetImageColorspace(), SetImageProgress(), SetImageStorageClass(), SetPixelAlpha, SetPixelBlue, SetPixelGreen, SetPixelIndex, SetPixelRed, _ExceptionInfo::signature, _Image::signature, sRGBColorspace, SyncCacheViewAuthenticPixels(), ThrowImageException, TraceEvent, and TransformImageColorspace().

GetImageAlphaChannel()

MagickExport MagickBooleanType GetImageAlphaChannel

(

const Image *

image

)

References _Image::debug, GetMagickModule, LogMagickEvent(), MagickCoreSignature, MagickFalse, _Image::matte, _Image::signature, and TraceEvent.

SeparateImage()

MagickExport Image* SeparateImage	(	const Image *	image,
		const ChannelType	channel,
		ExceptionInfo *	exception
	)

References CloneImage(), _Image::debug, DestroyImage(), _Image::filename, GetMagickModule, LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, SeparateImageChannel(), _ExceptionInfo::signature, _Image::signature, and TraceEvent.

SeparateImageChannel()

MagickExport MagickBooleanType SeparateImageChannel	(	Image *	image,
		const ChannelType	channel
	)

References AcquireAuthenticCacheView(), BlackChannel, BlueChannel, ClampToQuantum(), CMYKColorspace, _Image::colorspace, _Image::columns, _Image::debug, DestroyCacheView(), DirectClass, _Image::exception, _Image::filename, GetCacheViewAuthenticIndexQueue(), GetCacheViewAuthenticPixels(), GetMagickModule, GetPixelAlpha, GetPixelBlue, GetPixelGreen, GetPixelIndex, GetPixelIntensity(), GetPixelOpacity, GetPixelRed, GrayChannels, GRAYColorspace, GreenChannel, LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickTrue, _Image::matte, OpacityChannel, OpaqueAlphaChannel, _Image::progress_monitor, PseudoClass, RedChannel, _Image::rows, SeparateImageTag, SetImageAlphaChannel(), SetImageColorspace(), SetImageProgress(), SetImageStorageClass(), SetPixelAlpha, SetPixelBlue, SetPixelGreen, SetPixelRed, _Image::signature, _Image::storage_class, SyncCacheViewAuthenticPixels(), TraceEvent, and TrueAlphaChannel.

Referenced by ChannelImage(), DistortResizeImage(), DrawClippingMask(), DrawCompositeMask(), SeparateImage(), SeparateImages(), and SetImageAlphaChannel().

SeparateImages()

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

References AlphaChannel, AppendImageToList(), BlackChannel, BlueChannel, CloneImage(), CMYKColorspace, _Image::colorspace, _Image::debug, _Image::filename, GetMagickModule, GreenChannel, LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, NewImageList(), RedChannel, SeparateImageChannel(), _Image::signature, TraceEvent, and TrueAlphaChannel.

SetImageAlphaChannel()

MagickExport MagickBooleanType SetImageAlphaChannel	(	Image *	image,
		const AlphaChannelType	alpha_type
	)

References AcquireAuthenticCacheView(), ActivateAlphaChannel, AssociateAlphaChannel, _Image::background_color, BackgroundAlphaChannel, _PixelPacket::blue, ClampToQuantum(), CMYKColorspace, _Image::colorspace, _Image::columns, ConvertRGBToCMYK(), CopyAlphaChannel, DeactivateAlphaChannel, _Image::debug, DestroyCacheView(), DirectClass, DisassociateAlphaChannel, _Image::exception, ExtractAlphaChannel, FlattenAlphaChannel, GetCacheViewAuthenticIndexQueue(), GetCacheViewAuthenticPixels(), GetMagickModule, GetMagickPixelPacket(), GetPixelAlpha, GetPixelBlue, GetPixelGreen, GetPixelRed, GrayChannels, _PixelPacket::green, LevelColorsImage(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickOver_(), MagickTrue, _Image::matte, _PixelPacket::opacity, OpaqueAlphaChannel, OpaqueOpacity, PerceptibleReciprocal(), QuantumRange, QuantumScale, _PixelPacket::red, RemoveAlphaChannel, ResetAlphaChannel, _Image::rows, SeparateImageChannel(), SetAlphaChannel, SetImageOpacity(), SetImageStorageClass(), SetMagickPixelPacket(), SetPixelBlue, SetPixelGreen, SetPixelIndex, SetPixelPacket(), SetPixelRed, ShapeAlphaChannel, _Image::signature, SyncCacheViewAuthenticPixels(), SyncImagePixelCache(), TraceEvent, TransparentAlphaChannel, TransparentOpacity, TrueAlphaChannel, and UndefinedAlphaChannel.

Referenced by CannyEdgeImage(), ClearBounds(), ClutImageChannel(), ColorFloodfillImage(), ColorizeImage(), CompareImageChannels(), CompositeImageChannel(), DistortResizeImage(), DrawPrimitive(), FloodfillPaintImage(), FrameImage(), HaldClutImageChannel(), MatteFloodfillImage(), MorphologyApply(), PolaroidImage(), RenderMVGContent(), RenderPostscript(), SeparateImageChannel(), SetImageBackgroundColor(), SetImageType(), ShadowImage(), ShearImage(), ShearRotateImage(), SimilarityMetricImage(), ThumbnailImage(), TransparentImage(), TransparentPaintImage(), and TransparentPaintImageChroma().