threshold.h File Reference

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Typedefs
typedef struct _ThresholdMap	ThresholdMap
Enumerations
enum	AutoThresholdMethod { UndefinedThresholdMethod, KapurThresholdMethod, OTSUThresholdMethod, TriangleThresholdMethod }
Functions
MagickExport Image *	AdaptiveThresholdImage (const Image *, const size_t, const size_t, const ssize_t, ExceptionInfo *)
MagickExport ThresholdMap *	DestroyThresholdMap (ThresholdMap *)
MagickExport ThresholdMap **	GetThresholdMap (const char *, ExceptionInfo *)
MagickExport MagickBooleanType	AutoThresholdImage (Image *, const AutoThresholdMethod, ExceptionInfo *)
MagickExport MagickBooleanType	BilevelImage (Image *, const double)
MagickExport MagickBooleanType	BilevelImageChannel (Image *, const ChannelType, const double)
MagickExport MagickBooleanType	BlackThresholdImage (Image *, const char *)
MagickExport MagickBooleanType	BlackThresholdImageChannel (Image *, const ChannelType, const char *, ExceptionInfo *)
MagickExport MagickBooleanType	ClampImage (Image *)
MagickExport MagickBooleanType	ClampImageChannel (Image *, const ChannelType)
MagickExport MagickBooleanType	ListThresholdMaps (FILE *, ExceptionInfo *)
MagickExport MagickBooleanType	OrderedDitherImage (Image *)
MagickExport MagickBooleanType	OrderedDitherImageChannel (Image *, const ChannelType, ExceptionInfo *)
MagickExport MagickBooleanType	OrderedPosterizeImage (Image *, const char *, ExceptionInfo *)
MagickExport MagickBooleanType	OrderedPosterizeImageChannel (Image *, const ChannelType, const char *, ExceptionInfo *)
MagickExport MagickBooleanType	PerceptibleImage (Image *, const double)
MagickExport MagickBooleanType	PerceptibleImageChannel (Image *, const ChannelType, const double)
MagickExport MagickBooleanType	RandomThresholdImage (Image *, const char *, ExceptionInfo *)
MagickExport MagickBooleanType	RandomThresholdImageChannel (Image *, const ChannelType, const char *, ExceptionInfo *)
MagickExport MagickBooleanType	WhiteThresholdImage (Image *, const char *)
MagickExport MagickBooleanType	WhiteThresholdImageChannel (Image *, const ChannelType, const char *, ExceptionInfo *)

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Typedef Documentation

typedef struct _ThresholdMap ThresholdMap

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Enumeration Type Documentation

enum AutoThresholdMethod

Enumerator:

UndefinedThresholdMethod
KapurThresholdMethod
OTSUThresholdMethod
TriangleThresholdMethod

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Function Documentation

MagickExport Image* AdaptiveThresholdImage	(	const Image *	,
		const	size_t,
		const	size_t,
		const	ssize_t,
		ExceptionInfo *
	)

References AcquireAuthenticCacheView(), AcquireVirtualCacheView(), _MagickPixelPacket::blue, CloneImage(), CMYKColorspace, _Image::colorspace, _Image::columns, _Image::debug, DestroyCacheView(), DestroyImage(), DirectClass, _Image::exception, _Image::filename, GetCacheViewAuthenticIndexQueue(), GetCacheViewAuthenticPixels(), GetCacheViewVirtualIndexQueue(), GetCacheViewVirtualPixels(), GetMagickModule, GetMagickPixelPacket(), GetPixelBlue, GetPixelGreen, GetPixelIndex, GetPixelOpacity, GetPixelRed, _MagickPixelPacket::green, _MagickPixelPacket::index, InheritException(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickTrue, _MagickPixelPacket::opacity, _Image::progress_monitor, QuantumRange, _MagickPixelPacket::red, _Image::rows, SetImageProgress(), SetImageStorageClass(), SetPixelBlue, SetPixelGreen, SetPixelIndex, SetPixelOpacity, SetPixelRed, _ExceptionInfo::signature, _Image::signature, SyncCacheViewAuthenticPixels(), ThresholdImageTag, and TraceEvent.

MagickExport MagickBooleanType AutoThresholdImage	(	Image *	,
		const	AutoThresholdMethod,
		ExceptionInfo *
	)

MagickExport MagickBooleanType BilevelImage	(	Image *	,
		const	double
	)

MagickExport MagickBooleanType BilevelImageChannel	(	Image *	,
		const	ChannelType,
		const	double
	)

MagickExport MagickBooleanType BlackThresholdImage	(	Image *	,
		const char *
	)

MagickExport MagickBooleanType BlackThresholdImageChannel	(	Image *	,
		const	ChannelType,
		const char *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType ClampImage

(

Image *

)

MagickExport MagickBooleanType ClampImageChannel	(	Image *	,
		const	ChannelType
	)

MagickExport ThresholdMap* DestroyThresholdMap

(

ThresholdMap *

)

MagickExport ThresholdMap* * GetThresholdMap	(	const char *	,
		ExceptionInfo *
	)

References DestroyConfigureOptions(), GetConfigureOptions(), GetNextValueInLinkedList(), GetStringInfoDatum(), GetStringInfoPath(), GetThresholdMapFile(), MinimalThresholdMap, and ThresholdsFilename.

Referenced by OrderedPosterizeImageChannel().

MagickExport MagickBooleanType ListThresholdMaps	(	FILE *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType OrderedDitherImage

(

Image *

)

MagickExport MagickBooleanType OrderedDitherImageChannel	(	Image *	,
		const	ChannelType,
		ExceptionInfo *
	)

MagickExport MagickBooleanType OrderedPosterizeImage	(	Image *	,
		const char *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType OrderedPosterizeImageChannel	(	Image *	,
		const	ChannelType,
		const char *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType PerceptibleImage	(	Image *	,
		const	double
	)

MagickExport MagickBooleanType PerceptibleImageChannel	(	Image *	,
		const	ChannelType,
		const	double
	)

MagickExport MagickBooleanType RandomThresholdImage	(	Image *	,
		const char *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType RandomThresholdImageChannel	(	Image *	,
		const	ChannelType,
		const char *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType WhiteThresholdImage	(	Image *	,
		const char *
	)

MagickExport MagickBooleanType WhiteThresholdImageChannel	(	Image *	,
		const	ChannelType,
		const char *	,
		ExceptionInfo *
	)

References AcquireAuthenticCacheView(), _MagickPixelPacket::blue, BlueChannel, _GeometryInfo::chi, ChiValue, CMYKColorspace, _Image::colorspace, _Image::columns, _Image::debug, DestroyCacheView(), DirectClass, _Image::filename, GetCacheViewAuthenticIndexQueue(), GetCacheViewAuthenticPixels(), GetMagickModule, GetMagickPixelPacket(), GetPixelBlue, GetPixelGreen, GetPixelIndex, GetPixelOpacity, GetPixelRed, _MagickPixelPacket::green, GreenChannel, _MagickPixelPacket::index, IndexChannel, IsGrayColorspace(), IsMagickGray(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickTrue, _MagickPixelPacket::opacity, OpacityChannel, ParseGeometry(), PercentValue, _Image::progress_monitor, _GeometryInfo::psi, PsiValue, QuantumRange, _MagickPixelPacket::red, RedChannel, _GeometryInfo::rho, _Image::rows, SetImageColorspace(), SetImageProgress(), SetImageStorageClass(), SetPixelBlue, SetPixelGreen, SetPixelIndex, SetPixelOpacity, SetPixelRed, _GeometryInfo::sigma, SigmaValue, _Image::signature, sRGBColorspace, SyncCacheViewAuthenticPixels(), ThresholdImageTag, TraceEvent, _GeometryInfo::xi, and XiValue.

Referenced by WhiteThresholdImage().