color.c File Reference

#include "magick/studio.h"
#include "magick/blob.h"
#include "magick/cache-view.h"
#include "magick/color.h"
#include "magick/color-private.h"
#include "magick/client.h"
#include "magick/configure.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/gem.h"
#include "magick/geometry.h"
#include "magick/image-private.h"
#include "magick/memory_.h"
#include "magick/monitor.h"
#include "magick/option.h"
#include "magick/pixel-private.h"
#include "magick/quantize.h"
#include "magick/quantum.h"
#include "magick/semaphore.h"
#include "magick/string_.h"
#include "magick/token.h"
#include "magick/utility.h"
#include "magick/xml-tree.h"

Data Structures
struct	_NodeInfo
struct	_Nodes
struct	_CubeInfo
Defines
#define	ColorFilename   "colors.xml"
#define	MaxTreeDepth   8
#define	NodesInAList   1536
#define	EvaluateImageColorsText   " Compute image colors... "
#define	SVGCompliant(component)
#define	HistogramImageTag   "Histogram/Image"
#define	MaximumUniqueColors   1024
#define	SearchImageText   " Searching image... "
#define	UniqueColorsImageTag   "UniqueColors/Image"
Typedefs
typedef struct _NodeInfo	NodeInfo
typedef struct _Nodes	Nodes
typedef struct _CubeInfo	CubeInfo
Functions
static CubeInfo *	GetCubeInfo (void)
static NodeInfo *	GetNodeInfo (CubeInfo *, const unsigned long)
static MagickBooleanType	InitializeColorList (ExceptionInfo *)
static MagickBooleanType	LoadColorLists (const char *, ExceptionInfo *)
static void	DestroyColorCube (const Image *, NodeInfo *)
static unsigned long	ColorToNodeId (const Image *image, const MagickPixelPacket *pixel, unsigned long index)
static CubeInfo *	ClassifyImageColors (const Image *image, ExceptionInfo *exception)
MagickExport void	ConcatenateColorComponent (const MagickPixelPacket *pixel, const ChannelType channel, const ComplianceType compliance, char *tuple)
static void	DefineImageHistogram (const Image *image, NodeInfo *node_info, ColorPacket **histogram)
static void *	DestroyColorElement (void *color_info)
MagickExport void	DestroyColorList (void)
static CubeInfo *	DestroyCubeInfo (const Image *image, CubeInfo *cube_info)
MagickExport const ColorInfo *	GetColorInfo (const char *name, ExceptionInfo *exception)
static int	ColorInfoCompare (const void *x, const void *y)
MagickExport const ColorInfo **	GetColorInfoList (const char *pattern, unsigned long *number_colors, ExceptionInfo *exception)
static int	ColorCompare (const void *x, const void *y)
MagickExport char **	GetColorList (const char *pattern, unsigned long *number_colors, ExceptionInfo *exception)
static void	ConcatentateHexColorComponent (const MagickPixelPacket *pixel, const ChannelType channel, char *tuple)
MagickExport void	GetColorTuple (const MagickPixelPacket *pixel, const MagickBooleanType hex, char *tuple)
MagickExport ColorPacket *	GetImageHistogram (const Image *image, unsigned long *number_colors, ExceptionInfo *exception)
static int	HistogramCompare (const void *x, const void *y)
MagickExport unsigned long	GetNumberColors (const Image *image, FILE *file, ExceptionInfo *exception)
static double	MagickMax (const double x, const double y)
MagickExport MagickBooleanType	IsColorSimilar (const Image *image, const PixelPacket *p, const PixelPacket *q)
MagickExport MagickBooleanType	IsGrayImage (const Image *image, ExceptionInfo *exception)
MagickExport MagickBooleanType	IsHistogramImage (const Image *image, ExceptionInfo *exception)
MagickExport MagickBooleanType	IsImageSimilar (const Image *image, const Image *target_image, long *x_offset, long *y_offset, ExceptionInfo *exception)
MagickExport MagickBooleanType	IsMagickColorSimilar (const MagickPixelPacket *p, const MagickPixelPacket *q)
MagickExport MagickBooleanType	IsMonochromeImage (const Image *image, ExceptionInfo *exception)
MagickExport MagickBooleanType	IsOpacitySimilar (const Image *image, const PixelPacket *p, const PixelPacket *q)
MagickExport MagickBooleanType	IsOpaqueImage (const Image *image, ExceptionInfo *exception)
MagickExport MagickBooleanType	IsPaletteImage (const Image *image, ExceptionInfo *exception)
MagickExport MagickBooleanType	ListColorInfo (FILE *file, ExceptionInfo *exception)
static MagickBooleanType	LoadColorList (const char *xml, const char *filename, const unsigned long depth, ExceptionInfo *exception)
static double	MagickMin (const double x, const double y)
MagickExport MagickBooleanType	QueryColorDatabase (const char *name, PixelPacket *color, ExceptionInfo *exception)
MagickExport MagickBooleanType	QueryColorname (const Image *image, const PixelPacket *color, const ComplianceType compliance, char *name, ExceptionInfo *exception)
MagickExport MagickBooleanType	QueryMagickColor (const char *name, MagickPixelPacket *color, ExceptionInfo *exception)
MagickExport MagickBooleanType	QueryMagickColorname (const Image *image, const MagickPixelPacket *color, const ComplianceType compliance, const MagickBooleanType hex, char *name, ExceptionInfo *exception)
static void	UniqueColorsToImage (Image *image, CubeInfo *cube_info, const NodeInfo *node_info, ExceptionInfo *exception)
MagickExport Image *	UniqueImageColors (const Image *image, ExceptionInfo *exception)
Variables
static const char *	ColorMap
static LinkedListInfo *	color_list = (LinkedListInfo *) NULL
static SemaphoreInfo *	color_semaphore = (SemaphoreInfo *) NULL
static volatile MagickBooleanType	instantiate_color = MagickFalse

---

Define Documentation

#define ColorFilename   "colors.xml"

#define EvaluateImageColorsText   " Compute image colors... "

#define HistogramImageTag   "Histogram/Image"

#define MaximumUniqueColors   1024

#define MaxTreeDepth   8

#define NodesInAList   1536

#define SearchImageText   " Searching image... "

#define SVGCompliant

(

component

)

Value:

((MagickRealType) \
   ScaleCharToQuantum(ScaleQuantumToChar(RoundToQuantum(component))));

#define UniqueColorsImageTag   "UniqueColors/Image"

---

Typedef Documentation

typedef struct _CubeInfo CubeInfo

typedef struct _NodeInfo NodeInfo

typedef struct _Nodes Nodes

---

Function Documentation

static CubeInfo* ClassifyImageColors	(	const Image *	image,
		ExceptionInfo *	exception
	)			[static]

static int ColorCompare	(	const void *	x,
		const void *	y
	)			[static]

static int ColorInfoCompare	(	const void *	x,
		const void *	y
	)			[static]

static unsigned long ColorToNodeId	(	const Image *	image,
		const MagickPixelPacket *	pixel,
		unsigned long	index
	)			[inline, static]

MagickExport void ConcatenateColorComponent	(	const MagickPixelPacket *	pixel,
		const ChannelType	channel,
		const ComplianceType	compliance,
		char *	tuple
	)

static void ConcatentateHexColorComponent	(	const MagickPixelPacket *	pixel,
		const ChannelType	channel,
		char *	tuple
	)			[static]

static void DefineImageHistogram	(	const Image *	image,
		NodeInfo *	node_info,
		ColorPacket **	histogram
	)			[static]

static void DestroyColorCube	(	const Image *	image,
		NodeInfo *	node_info
	)			[static]

static void* DestroyColorElement

(

void *

color_info

)

[static]

MagickExport void DestroyColorList

(

void

)

static CubeInfo* DestroyCubeInfo	(	const Image *	image,
		CubeInfo *	cube_info
	)			[static]

MagickExport const ColorInfo* GetColorInfo	(	const char *	name,
		ExceptionInfo *	exception
	)

MagickExport const ColorInfo** GetColorInfoList	(	const char *	pattern,
		unsigned long *	number_colors,
		ExceptionInfo *	exception
	)

MagickExport char** GetColorList	(	const char *	pattern,
		unsigned long *	number_colors,
		ExceptionInfo *	exception
	)

MagickExport void GetColorTuple	(	const MagickPixelPacket *	pixel,
		const MagickBooleanType	hex,
		char *	tuple
	)

static CubeInfo * GetCubeInfo

(

void

)

[static]

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

static NodeInfo * GetNodeInfo	(	CubeInfo *	cube_info,
		const unsigned long	level
	)			[static]

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

static int HistogramCompare	(	const void *	x,
		const void *	y
	)			[static]

static MagickBooleanType InitializeColorList

(

ExceptionInfo *

exception

)

[static]

MagickExport MagickBooleanType IsColorSimilar	(	const Image *	image,
		const PixelPacket *	p,
		const PixelPacket *	q
	)

MagickExport MagickBooleanType IsGrayImage	(	const Image *	image,
		ExceptionInfo *	exception
	)

MagickExport MagickBooleanType IsHistogramImage	(	const Image *	image,
		ExceptionInfo *	exception
	)

MagickExport MagickBooleanType IsImageSimilar	(	const Image *	image,
		const Image *	target_image,
		long *	x_offset,
		long *	y_offset,
		ExceptionInfo *	exception
	)

MagickExport MagickBooleanType IsMagickColorSimilar	(	const MagickPixelPacket *	p,
		const MagickPixelPacket *	q
	)

MagickExport MagickBooleanType IsMonochromeImage	(	const Image *	image,
		ExceptionInfo *	exception
	)

MagickExport MagickBooleanType IsOpacitySimilar	(	const Image *	image,
		const PixelPacket *	p,
		const PixelPacket *	q
	)

MagickExport MagickBooleanType IsOpaqueImage	(	const Image *	image,
		ExceptionInfo *	exception
	)

MagickExport MagickBooleanType IsPaletteImage	(	const Image *	image,
		ExceptionInfo *	exception
	)

MagickExport MagickBooleanType ListColorInfo	(	FILE *	file,
		ExceptionInfo *	exception
	)

static MagickBooleanType LoadColorList	(	const char *	xml,
		const char *	filename,
		const unsigned long	depth,
		ExceptionInfo *	exception
	)			[static]

static MagickBooleanType LoadColorLists	(	const char *	filename,
		ExceptionInfo *	exception
	)

static double MagickMax	(	const double	x,
		const double	y
	)			[inline, static]

static double MagickMin	(	const double	x,
		const double	y
	)			[inline, static]

MagickExport MagickBooleanType QueryColorDatabase	(	const char *	name,
		PixelPacket *	color,
		ExceptionInfo *	exception
	)

MagickExport MagickBooleanType QueryColorname	(	const Image *	image,
		const PixelPacket *	color,
		const ComplianceType	compliance,
		char *	name,
		ExceptionInfo *	exception
	)

MagickExport MagickBooleanType QueryMagickColor	(	const char *	name,
		MagickPixelPacket *	color,
		ExceptionInfo *	exception
	)

MagickExport MagickBooleanType QueryMagickColorname	(	const Image *	image,
		const MagickPixelPacket *	color,
		const ComplianceType	compliance,
		const MagickBooleanType	hex,
		char *	name,
		ExceptionInfo *	exception
	)

static void UniqueColorsToImage	(	Image *	image,
		CubeInfo *	cube_info,
		const NodeInfo *	node_info,
		ExceptionInfo *	exception
	)			[static]

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

---

Variable Documentation

LinkedListInfo* color_list = (LinkedListInfo *) NULL [static]

SemaphoreInfo* color_semaphore = (SemaphoreInfo *) NULL [static]

const char* ColorMap [static]

volatile MagickBooleanType instantiate_color = MagickFalse [static]

---