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

ThresholdMap

typedef struct _ThresholdMap ThresholdMap

Definition at line 34 of file threshold.h.

Enumeration Type Documentation

AutoThresholdMethod

enum AutoThresholdMethod

Enumerator
UndefinedThresholdMethod
KapurThresholdMethod
OTSUThresholdMethod
TriangleThresholdMethod

Definition at line 25 of file threshold.h.

Function Documentation

AdaptiveThresholdImage()

MagickExport Image * AdaptiveThresholdImage	(	const Image *	image,
		const	size_t,
		const	size_t,
		const double	bias,
		ExceptionInfo *	exception
	)

Definition at line 182 of file threshold.c.

References AcquireAuthenticCacheView(), AcquireVirtualCacheView(), AdaptiveThresholdImageTag, CloneImage(), _Image::columns, CopyPixelTrait, DestroyCacheView(), DestroyImage(), DirectClass, _Image::filename, GetCacheViewVirtualPixels(), GetMagickModule, GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), IsEventLogging(), 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.

AutoThresholdImage()

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

BilevelImage()

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

BlackThresholdImage()

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

ClampImage()

MagickExport MagickBooleanType ClampImage	(	Image *	,
		ExceptionInfo *
	)

ColorThresholdImage()

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

DestroyThresholdMap()

MagickExport ThresholdMap * DestroyThresholdMap

(

ThresholdMap *

)

GetThresholdMap()

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

Definition at line 1459 of file threshold.c.

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

Referenced by OrderedDitherImage().

ListThresholdMaps()

MagickExport MagickBooleanType ListThresholdMaps	(	FILE *	,
		ExceptionInfo *
	)

OrderedDitherImage()

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

PerceptibleImage()

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

RandomThresholdImage()

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

RangeThresholdImage()

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

WhiteThresholdImage()

MagickExport MagickBooleanType WhiteThresholdImage	(	Image *	image,
		const char *	thresholds,
		ExceptionInfo *	exception
	)

Definition at line 2509 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, DefaultChannels, DestroyCacheView(), DirectClass, _Image::filename, GetCacheViewAuthenticPixels(), GetMagickModule, GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), GetPixelInfo(), GetPixelInfoChannel(), GetPixelIntensity(), _PixelInfo::green, IsEventLogging(), 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.