histogram.h File Reference

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Data Structures
struct	_ColorPacket
Typedefs
typedef struct _ColorPacket	ColorPacket
Functions
MagickExport ColorPacket *	GetImageHistogram (const Image *, unsigned long *, ExceptionInfo *)
MagickExport Image *	UniqueImageColors (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 unsigned long	GetNumberColors (const Image *, FILE *, ExceptionInfo *)

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Typedef Documentation

typedef struct _ColorPacket ColorPacket

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Function Documentation

MagickExport ColorPacket* GetImageHistogram	(	const Image *	,
		unsigned long *	,
		ExceptionInfo *
	)

Definition at line 523 of file histogram.c.

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

Referenced by GetNumberColors().

MagickExport unsigned long GetNumberColors	(	const Image *	,
		FILE *	,
		ExceptionInfo *
	)

Definition at line 1102 of file histogram.c.

References BlueChannel, ClassifyImageColors(), _Image::client_data, CMYKColorspace, _CubeInfo::colors, _MagickPixelPacket::colorspace, ConcatenateColorComponent(), ConcatenateMagickString(), CopyMagickString(), _ColorPacket::count, DestroyCubeInfo(), GetColorTuple(), GetImageHistogram(), GetMagickPixelPacket(), GreenChannel, HistogramCompare(), HistogramImageTag, _ColorPacket::index, IndexChannel, MagickFalse, MagickSizeFormat, MagickTrue, _MagickPixelPacket::matte, MaxTextExtent, OpacityChannel, _ColorPacket::pixel, _Image::progress_monitor, QuantumTick(), QueryMagickColorname(), RedChannel, RelinquishMagickMemory(), SetMagickPixelPacket(), SVGCompliance, and X11Compliance.

Referenced by GetImageQuantizeError(), IdentifyImage(), and InterpretImageProperties().

MagickExport MagickBooleanType IsHistogramImage	(	const Image *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType IsPaletteImage	(	const Image *	,
		ExceptionInfo *
	)

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

Definition at line 982 of file histogram.c.

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

Referenced by AutoLevelImageChannel().

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

Definition at line 1258 of file histogram.c.

References AcquireQuantizeInfo(), ClassifyImageColors(), CloneImage(), _CubeInfo::colors, DestroyCubeInfo(), DestroyImage(), DestroyQuantizeInfo(), DirectClass, _QuantizeInfo::dither, _Image::exception, InheritException(), MagickFalse, MagickTrue, MaxColormapSize, _QuantizeInfo::number_colors, QuantizeImage(), _CubeInfo::root, SetImageStorageClass(), _QuantizeInfo::tree_depth, and UniqueColorsToImage().