histogram.h File Reference

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Data Structures
struct	_ColorPacket

Typedefs
typedef struct _ColorPacket	ColorPacket

Functions
MagickExport ColorPacket *	GetImageHistogram (const Image *, size_t *, ExceptionInfo *)
MagickExport Image *	UniqueImageColors (const Image *, ExceptionInfo *)
MagickExport MagickBooleanType	IdentifyPaletteImage (const Image *, ExceptionInfo *)
MagickExport MagickBooleanType	IsHistogramImage (const Image *, ExceptionInfo *)
MagickExport MagickBooleanType	IsPaletteImage (const Image *, ExceptionInfo *)
MagickExport MagickBooleanType	MinMaxStretchImage (Image *, const ChannelType, const double, const double)
MagickExport size_t	GetNumberColors (const Image *, FILE *, ExceptionInfo *)

Typedef Documentation

ColorPacket

typedef struct _ColorPacket ColorPacket

Function Documentation

GetImageHistogram()

MagickExport ColorPacket * GetImageHistogram	(	const Image *	image,
		size_t *	number_colors,
		ExceptionInfo *	exception
	)

Definition at line 565 of file histogram.c.

References AcquireQuantumMemory(), ClassifyImageColors(), _CubeInfo::colors, DefineImageHistogram(), DestroyCubeInfo(), _Image::filename, GetMagickModule, ResourceLimitError, _CubeInfo::root, and ThrowMagickException().

Referenced by GetNumberColors().

GetNumberColors()

MagickExport size_t GetNumberColors	(	const Image *	image,
		FILE *	file,
		ExceptionInfo *	exception
	)

Definition at line 1203 of file histogram.c.

References BlueChannel, ClassifyImageColors(), CMYKColorspace, _CubeInfo::colors, _MagickPixelPacket::colorspace, ConcatenateColorComponent(), ConcatenateMagickString(), CopyMagickString(), _ColorPacket::count, DestroyCubeInfo(), FormatLocaleFile(), GetColorTuple(), GetImageHistogram(), GetMagickPixelPacket(), GreenChannel, HistogramCompare(), HistogramImageTag, _ColorPacket::index, IndexChannel, MagickFalse, MagickTrue, _MagickPixelPacket::matte, MaxTextExtent, NoCompliance, OpacityChannel, _ColorPacket::pixel, _Image::progress_monitor, QueryMagickColorname(), RedChannel, RelinquishMagickMemory(), SetImageProgress(), SetMagickPixelPacket(), and SVGCompliance.

Referenced by GetImageQuantizeError(), GetMagickProperty(), GetMagickPropertyLetter(), and IdentifyImage().

IdentifyPaletteImage()

MagickExport MagickBooleanType IdentifyPaletteImage	(	const Image *	,
		ExceptionInfo *
	)

IsHistogramImage()

MagickExport MagickBooleanType IsHistogramImage	(	const Image *	,
		ExceptionInfo *
	)

IsPaletteImage()

MagickExport MagickBooleanType IsPaletteImage	(	const Image *	,
		ExceptionInfo *
	)

MinMaxStretchImage()

MagickExport MagickBooleanType MinMaxStretchImage	(	Image *	image,
		const	ChannelType,
		const double	black_value,
		const double	white_value
	)

Definition at line 1075 of file histogram.c.

References BlueChannel, CMYKColorspace, _Image::colorspace, _Image::exception, GetImageChannelRange(), GreenChannel, IndexChannel, LevelImageChannel(), MagickEpsilon, MagickFalse, MagickTrue, _Image::matte, OpacityChannel, RedChannel, and SyncChannels.

Referenced by AutoLevelImageChannel().

UniqueImageColors()

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

Definition at line 1388 of file histogram.c.

References AcquireVirtualCacheView(), ClassifyImageColors(), CloneImage(), _CubeInfo::colors, DestroyCacheView(), DestroyCubeInfo(), DestroyImage(), DirectClass, _Image::exception, InheritException(), MagickFalse, MagickTrue, _CubeInfo::root, SetImageStorageClass(), and UniqueColorsToImage().