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 double, ExceptionInfo *)
MagickExport ThresholdMap *	DestroyThresholdMap (ThresholdMap *)
MagickExport ThresholdMap *	GetThresholdMap (const char *, ExceptionInfo *)
MagickExport MagickBooleanType	AutoThresholdImage (Image *, const AutoThresholdMethod, ExceptionInfo *)
MagickExport MagickBooleanType	BilevelImage (Image *, const double, ExceptionInfo *)
MagickExport MagickBooleanType	BlackThresholdImage (Image *, const char *, ExceptionInfo *)
MagickExport MagickBooleanType	ClampImage (Image *, ExceptionInfo *)
MagickExport MagickBooleanType	ColorThresholdImage (Image *, const PixelInfo *, const PixelInfo *, ExceptionInfo *)
MagickExport MagickBooleanType	ListThresholdMaps (FILE *, ExceptionInfo *)
MagickExport MagickBooleanType	OrderedDitherImage (Image *, const char *, ExceptionInfo *)
MagickExport MagickBooleanType	PerceptibleImage (Image *, const double, ExceptionInfo *)
MagickExport MagickBooleanType	RandomThresholdImage (Image *, const double, const double, ExceptionInfo *)
MagickExport MagickBooleanType	RangeThresholdImage (Image *, const double, const double, const double, const double, ExceptionInfo *)
MagickExport MagickBooleanType	WhiteThresholdImage (Image *, const char *, ExceptionInfo *)

Typedef Documentation

typedef struct _ThresholdMap ThresholdMap

Definition at line 33 of file threshold.h.

Enumeration Type Documentation

enum AutoThresholdMethod

Enumerator
UndefinedThresholdMethod
KapurThresholdMethod
OTSUThresholdMethod
TriangleThresholdMethod

Definition at line 25 of file threshold.h.

Function Documentation

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

Definition at line 183 of file threshold.c.

References AcquireAuthenticCacheView(), AcquireVirtualCacheView(), AdaptiveThresholdImageTag, CloneImage(), _Image::columns, CopyPixelTrait, _Image::debug, DestroyCacheView(), DestroyImage(), DirectClass, _Image::filename, GetCacheViewVirtualPixels(), GetMagickModule, GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickTrue, MaxPixelChannels, _Image::progress_monitor, QuantumRange, QueueCacheViewAuthenticPixels(), _Image::rows, SetImageProgress(), SetImageStorageClass(), SetPixelChannel(), _ExceptionInfo::signature, _Image::signature, SyncCacheViewAuthenticPixels(), TraceEvent, _Image::type, and UndefinedPixelTrait.

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

MagickExport MagickBooleanType BilevelImage	(	Image *	,
		const double	,
		ExceptionInfo *
	)

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

MagickExport MagickBooleanType ClampImage	(	Image *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType ColorThresholdImage	(	Image *	,
		const PixelInfo *	,
		const PixelInfo *	,
		ExceptionInfo *
	)

MagickExport ThresholdMap* DestroyThresholdMap

(

ThresholdMap *

)

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

Definition at line 1446 of file threshold.c.

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

Referenced by OrderedDitherImage().

MagickExport MagickBooleanType ListThresholdMaps	(	FILE *	,
		ExceptionInfo *
	)

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

MagickExport MagickBooleanType PerceptibleImage	(	Image *	,
		const double	,
		ExceptionInfo *
	)

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

MagickExport MagickBooleanType RangeThresholdImage	(	Image *	,
		const double	,
		const double	,
		const double	,
		const double	,
		ExceptionInfo *
	)

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

Definition at line 2504 of file threshold.c.

References AcquireAuthenticCacheView(), _PixelInfo::alpha, _PixelInfo::black, _PixelInfo::blue, _Image::channel_mask, _GeometryInfo::chi, ChiValue, CMYKColorspace, _Image::colorspace, _PixelInfo::colorspace, _Image::columns, _Image::debug, DefaultChannels, DestroyCacheView(), DirectClass, _Image::filename, GetCacheViewAuthenticPixels(), GetMagickModule, GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), GetPixelInfo(), GetPixelInfoChannel(), GetPixelIntensity(), _PixelInfo::green, IsGrayColorspace(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickTrue, ParseGeometry(), PercentValue, _Image::progress_monitor, _GeometryInfo::psi, PsiValue, QuantumRange, _PixelInfo::red, _GeometryInfo::rho, _Image::rows, SetImageProgress(), SetImageStorageClass(), _GeometryInfo::sigma, SigmaValue, _Image::signature, sRGBColorspace, SyncCacheViewAuthenticPixels(), ThresholdImageTag, TraceEvent, TransformImageColorspace(), UpdatePixelTrait, _GeometryInfo::xi, and XiValue.