histogram.h File Reference

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions
MagickExport PixelInfo *	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 *)
MagickExport MagickBooleanType	MinMaxStretchImage (Image *, const double, const double, const double, ExceptionInfo *)
MagickExport size_t	GetNumberColors (const Image *, FILE *, ExceptionInfo *)

Function Documentation

GetImageHistogram()

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

Definition at line 554 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 1029 of file histogram.c.

References _PixelInfo::alpha_trait, AlphaPixelChannel, BlackPixelChannel, BluePixelChannel, ClassifyImageColors(), CMYKColorspace, _CubeInfo::colors, _PixelInfo::colorspace, ConcatenateColorComponent(), ConcatenateMagickString(), CopyMagickString(), _PixelInfo::count, DestroyCubeInfo(), FormatLocaleFile(), GetColorTuple(), GetImageHistogram(), GetPixelInfo(), GreenPixelChannel, HistogramCompare(), HistogramImageTag, MagickFalse, MagickPathExtent, MagickTrue, NoCompliance, _Image::progress_monitor, QueryColorname(), RedPixelChannel, RelinquishMagickMemory(), SetImageProgress(), SVGCompliance, and UndefinedPixelTrait.

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 *

)

MinMaxStretchImage()

MagickExport MagickBooleanType MinMaxStretchImage	(	Image *	image,
		const double	black,
		const double	white,
		const double	gamma,
		ExceptionInfo *	exception
	)

Definition at line 926 of file histogram.c.

References _Image::channel_mask, DefaultChannels, GetImageRange(), GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), LevelImage(), MagickEpsilon, MagickFalse, MagickTrue, SetImageChannelMask(), and UpdatePixelTrait.

Referenced by AutoLevelImage().

UniqueImageColors()

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

Definition at line 1215 of file histogram.c.

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