color.c File Reference

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

Include dependency graph for color.c:

Go to the source code of this file.

Data Structures
struct	_ColormapInfo

Macros
#define	ColorFilename   "colors.xml"
#define	SVGCompliant(component)
#define	SVGEpsilon   1.0e-6
#define	IsColorComponentFactional(color)    ((color)-ScaleCharToQuantum(ScaleQuantumToChar(color)))
#define	SearchImageText   " Searching image... "

Typedefs
typedef struct _ColormapInfo	ColormapInfo

Functions
static MagickBooleanType	IsColorCacheInstantiated (ExceptionInfo *)
static MagickBooleanType	LoadColorCache (LinkedListInfo *, const char *, const char *, const size_t, ExceptionInfo *)
static LinkedListInfo *	AcquireColorCache (const char *filename, ExceptionInfo *exception)
MagickPrivate MagickBooleanType	ColorComponentGenesis (void)
static void *	DestroyColorElement (void *color_info)
MagickPrivate void	ColorComponentTerminus (void)
MagickExport const ColorInfo *	GetColorCompliance (const char *name, const ComplianceType compliance, ExceptionInfo *exception)
MagickExport const ColorInfo *	GetColorInfo (const char *name, ExceptionInfo *exception)
static MagickBooleanType	IsSVGCompliant (const PixelInfo *pixel)
MagickExport void	ConcatenateColorComponent (const PixelInfo *pixel, const PixelChannel channel, const ComplianceType compliance, char *tuple)
static int	ColorInfoCompare (const void *x, const void *y)
MagickExport const ColorInfo **	GetColorInfoList (const char *pattern, size_t *number_colors, ExceptionInfo *exception)
static int	ColorCompare (const void *x, const void *y)
MagickExport char **	GetColorList (const char *pattern, size_t *number_colors, ExceptionInfo *exception)
static void	ConcatentateHexColorComponent (const PixelInfo *pixel, const PixelChannel channel, char *tuple)
MagickExport void	GetColorTuple (const PixelInfo *pixel, const MagickBooleanType hex, char *tuple)
MagickPrivate MagickBooleanType	IsEquivalentAlpha (const Image *image, const PixelInfo *p, const PixelInfo *q)
MagickExport MagickBooleanType	IsEquivalentImage (const Image *image, const Image *target_image, ssize_t *x_offset, ssize_t *y_offset, ExceptionInfo *exception)
MagickPrivate MagickBooleanType	IsEquivalentIntensity (const Image *image, const PixelInfo *p, const PixelInfo *q)
MagickExport MagickBooleanType	ListColorInfo (FILE *file, ExceptionInfo *exception)
static MagickStatusType	ParseCSSColor (const char *magick_restrict color, GeometryInfo *geometry_info)
MagickExport MagickBooleanType	QueryColorCompliance (const char *name, const ComplianceType compliance, PixelInfo *color, ExceptionInfo *exception)
MagickExport MagickBooleanType	QueryColorname (const Image *magick_unused(image), const PixelInfo *color, const ComplianceType compliance, char *name, ExceptionInfo *exception)

Variables
static const ColormapInfo	Colormap []
static LinkedListInfo *	color_cache = (LinkedListInfo *) NULL
static SemaphoreInfo *	color_semaphore = (SemaphoreInfo *) NULL

Macro Definition Documentation

ColorFilename

#define ColorFilename   "colors.xml"

Definition at line 78 of file color.c.

IsColorComponentFactional

#define IsColorComponentFactional

(

color

)

((color)-ScaleCharToQuantum(ScaleQuantumToChar(color)))

SearchImageText

#define SearchImageText   " Searching image... "

SVGCompliant

#define SVGCompliant

(

component

)

Value:

   ((double) \
   ScaleCharToQuantum(ScaleQuantumToChar(ClampToQuantum(component))))

SVGEpsilon

#define SVGEpsilon   1.0e-6

Typedef Documentation

ColormapInfo

typedef struct _ColormapInfo ColormapInfo

Function Documentation

AcquireColorCache()

static LinkedListInfo * AcquireColorCache ( const char *  filename, ExceptionInfo *  exception  )

static

Definition at line 833 of file color.c.

References AcquireMagickMemory(), _ColormapInfo::alpha, _PixelInfo::alpha, AppendValueToLinkedList(), _ColormapInfo::blue, _PixelInfo::blue, _ColorInfo::color, Colormap, _ColormapInfo::compliance, _ColorInfo::compliance, DestroyConfigureOptions(), _ColorInfo::exempt, GetConfigureOptions(), GetMagickModule, GetNextValueInLinkedList(), GetPixelInfo(), GetStringInfoDatum(), GetStringInfoPath(), _ColormapInfo::green, _PixelInfo::green, LoadColorCache(), magick_unreferenced, MagickCoreSignature, MagickFalse, MagickTrue, _ColormapInfo::name, _ColorInfo::name, NewLinkedList(), _ColorInfo::path, QuantumRange, _ColormapInfo::red, _PixelInfo::red, ResourceLimitError, _ColorInfo::signature, and ThrowMagickException().

Referenced by IsColorCacheInstantiated().

ColorCompare()

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

static

Definition at line 1363 of file color.c.

References LocaleCompare().

Referenced by GetColorList().

ColorComponentGenesis()

MagickPrivate MagickBooleanType ColorComponentGenesis

(

void

)

Definition at line 927 of file color.c.

References AcquireSemaphoreInfo(), color_semaphore, and MagickTrue.

ColorComponentTerminus()

MagickPrivate void ColorComponentTerminus

(

void

)

Definition at line 970 of file color.c.

References ActivateSemaphoreInfo(), color_cache, color_semaphore, DestroyColorElement(), DestroyLinkedList(), LockSemaphoreInfo(), RelinquishSemaphoreInfo(), and UnlockSemaphoreInfo().

Referenced by MagickCoreTerminus().

ColorInfoCompare()

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

static

Definition at line 1263 of file color.c.

References LocaleCompare().

Referenced by GetColorInfoList().

ConcatenateColorComponent()

MagickExport void ConcatenateColorComponent	(	const PixelInfo *	pixel,
		const PixelChannel	channel,
		const ComplianceType	compliance,
		char *	tuple
	)

Definition at line 1152 of file color.c.

References _PixelInfo::alpha, AlphaPixelChannel, _PixelInfo::black, BlackPixelChannel, _PixelInfo::blue, BluePixelChannel, _PixelInfo::colorspace, ConcatenateMagickString(), _PixelInfo::depth, FormatLocaleString(), GetMagickPrecision(), _PixelInfo::green, GreenPixelChannel, _PixelInfo::index, IndexPixelChannel, IsHueCompatibleColorspace(), IssRGBCompatibleColorspace(), IsSVGCompliant(), LabColorspace, MagickFalse, MagickPathExtent, NoCompliance, QuantumRange, QuantumScale, _PixelInfo::red, and RedPixelChannel.

Referenced by GetColorTuple(), GetNumberColors(), and IdentifyImage().

ConcatentateHexColorComponent()

static void ConcatentateHexColorComponent ( const PixelInfo *  pixel, const PixelChannel  channel, char *  tuple  )

static

Definition at line 1454 of file color.c.

References _PixelInfo::alpha, AlphaPixelChannel, _PixelInfo::black, BlackPixelChannel, _PixelInfo::blue, BluePixelChannel, ClampToQuantum(), ConcatenateMagickString(), _PixelInfo::depth, FormatLocaleString(), _PixelInfo::green, GreenPixelChannel, MagickPathExtent, _PixelInfo::red, and RedPixelChannel.

Referenced by GetColorTuple().

DestroyColorElement()

static void * DestroyColorElement ( void *  color_info )

static

Definition at line 953 of file color.c.

References DestroyString(), _ColorInfo::exempt, MagickFalse, _ColorInfo::name, _ColorInfo::path, and RelinquishMagickMemory().

Referenced by ColorComponentTerminus().

GetColorCompliance()

MagickExport const ColorInfo * GetColorCompliance	(	const char *	name,
		const ComplianceType	compliance,
		ExceptionInfo *	exception
	)

Definition at line 1009 of file color.c.

References color_cache, color_semaphore, _ColorInfo::compliance, CopyMagickString(), GetMagickModule, GetNextValueInLinkedList(), InsertValueInLinkedList(), IsColorCacheInstantiated(), LocaleCompare(), LockSemaphoreInfo(), MagickFalse, MagickPathExtent, _ColorInfo::name, OptionWarning, RemoveElementByValueFromLinkedList(), ResetLinkedListIterator(), ThrowMagickException(), and UnlockSemaphoreInfo().

Referenced by GetColorInfo(), and QueryColorCompliance().

GetColorInfo()

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

Definition at line 1094 of file color.c.

References AllCompliance, and GetColorCompliance().

Referenced by GetColorInfoList(), GetColorList(), and QueryColorname().

GetColorInfoList()

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

Definition at line 1284 of file color.c.

References AcquireQuantumMemory(), color_cache, color_semaphore, ColorInfoCompare(), GetColorInfo(), GetMagickModule, GetNextValueInLinkedList(), GetNumberOfElementsInLinkedList(), GlobExpression(), IsEventLogging(), LockSemaphoreInfo(), LogMagickEvent(), MagickFalse, _ColorInfo::name, ResetLinkedListIterator(), _ColorInfo::stealth, TraceEvent, and UnlockSemaphoreInfo().

Referenced by ListColorInfo().

GetColorList()

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

Definition at line 1378 of file color.c.

References AcquireQuantumMemory(), color_cache, color_semaphore, ColorCompare(), ConstantString(), GetColorInfo(), GetMagickModule, GetNextValueInLinkedList(), GetNumberOfElementsInLinkedList(), GlobExpression(), IsEventLogging(), LockSemaphoreInfo(), LogMagickEvent(), MagickFalse, _ColorInfo::name, ResetLinkedListIterator(), _ColorInfo::stealth, TraceEvent, and UnlockSemaphoreInfo().

GetColorTuple()

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

Definition at line 1522 of file color.c.

References _PixelInfo::alpha_trait, AlphaPixelChannel, BlackPixelChannel, BluePixelChannel, CMYKColorspace, _PixelInfo::colorspace, CommandOptionToMnemonic(), ConcatenateColorComponent(), ConcatenateMagickString(), ConcatentateHexColorComponent(), _PixelInfo::depth, GetMagickModule, GRAYColorspace, GrayPixelChannel, GreenPixelChannel, IsEventLogging(), IsSVGCompliant(), LinearGRAYColorspace, LocaleLower(), LogMagickEvent(), MagickColorspaceOptions, MagickFalse, MagickPathExtent, RedPixelChannel, SVGCompliance, TraceEvent, and UndefinedPixelTrait.

Referenced by ConnectedComponentsImage(), GetNumberColors(), IdentifyImage(), InterpretImageProperties(), KmeansImage(), ListColorInfo(), and QueryColorname().

IsColorCacheInstantiated()

static MagickBooleanType IsColorCacheInstantiated ( ExceptionInfo *  exception )

static

Definition at line 1608 of file color.c.

References AcquireColorCache(), ActivateSemaphoreInfo(), color_cache, color_semaphore, ColorFilename, LockSemaphoreInfo(), MagickFalse, MagickTrue, and UnlockSemaphoreInfo().

Referenced by GetColorCompliance().

IsEquivalentAlpha()

MagickPrivate MagickBooleanType IsEquivalentAlpha	(	const Image *	image,
		const PixelInfo *	p,
		const PixelInfo *	q
	)

Definition at line 1651 of file color.c.

References _PixelInfo::alpha, _Image::alpha_trait, _Image::fuzz, MagickFalse, MagickMax, MagickSQ1_2, MagickTrue, and UndefinedPixelTrait.

IsEquivalentImage()

MagickExport MagickBooleanType IsEquivalentImage	(	const Image *	image,
		const Image *	target_image,
		ssize_t *	x_offset,
		ssize_t *	y_offset,
		ExceptionInfo *	exception
	)

Definition at line 1709 of file color.c.

References AcquireVirtualCacheView(), _Image::columns, DestroyCacheView(), _Image::filename, GetCacheViewVirtualPixels(), GetMagickModule, GetPixelInfo(), GetPixelInfoPixel(), IsEventLogging(), IsFuzzyEquivalencePixelInfo(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, _Image::progress_monitor, _Image::rows, SearchImageText, SetImageProgress(), _Image::signature, and TraceEvent.

IsEquivalentIntensity()

MagickPrivate MagickBooleanType IsEquivalentIntensity	(	const Image *	image,
		const PixelInfo *	p,
		const PixelInfo *	q
	)

Definition at line 1828 of file color.c.

References _Image::fuzz, GetPixelInfoIntensity(), MagickFalse, MagickMax, MagickSQ1_2, and MagickTrue.

IsSVGCompliant()

static MagickBooleanType IsSVGCompliant ( const PixelInfo *  pixel )

inlinestatic

Definition at line 1131 of file color.c.

References _PixelInfo::black, _PixelInfo::blue, CMYKColorspace, _PixelInfo::colorspace, _PixelInfo::green, MagickFalse, MagickTrue, _PixelInfo::red, SVGCompliant, and SVGEpsilon.

Referenced by ConcatenateColorComponent(), and GetColorTuple().

ListColorInfo()

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

Definition at line 1875 of file color.c.

References FormatLocaleFile(), GetColorInfoList(), GetColorTuple(), LocaleCompare(), MagickFalse, MagickPathExtent, MagickTrue, _ColorInfo::path, RelinquishMagickMemory(), SVGCompliance, X11Compliance, and XPMCompliance.

LoadColorCache()

static MagickBooleanType LoadColorCache ( LinkedListInfo *  cache, const char *  xml, const char *  filename, const size_t  depth, ExceptionInfo *  exception  )

static

Definition at line 1966 of file color.c.

References AcquireCriticalMemory(), AcquireString(), AllCompliance, AppendValueToLinkedList(), _ColorInfo::color, _ColorInfo::compliance, ConcatenateMagickString(), ConfigureError, ConfigureEvent, ConstantString(), CopyMagickString(), DestroyString(), DirectorySeparator, _ColorInfo::exempt, FileToXML(), GetMagickModule, GetNextToken(), GetPathComponent(), HeadPath, IsStringTrue(), LoadColorCache(), LocaleCompare(), LocaleNCompare(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickMaxRecursionDepth, MagickPathExtent, MagickTrue, _ColorInfo::name, _ColorInfo::path, QueryColorCompliance(), RelinquishMagickMemory(), ResourceLimitError, _ColorInfo::signature, _ColorInfo::stealth, StringLocateSubstring(), SVGCompliance, ThrowMagickException(), X11Compliance, and XPMCompliance.

Referenced by AcquireColorCache(), and LoadColorCache().

ParseCSSColor()

static MagickStatusType ParseCSSColor ( const char *magick_restrict  color, GeometryInfo *  geometry_info  )

static

Definition at line 2186 of file color.c.

References AlphaValue, _GeometryInfo::chi, ChiValue, LocaleNCompare(), NoValue, _GeometryInfo::psi, PsiValue, _GeometryInfo::rho, RhoValue, SetGeometryInfo(), _GeometryInfo::sigma, SigmaValue, StringToDouble(), _GeometryInfo::xi, and XiValue.

Referenced by QueryColorCompliance().

QueryColorCompliance()

MagickExport MagickBooleanType QueryColorCompliance	(	const char *	name,
		const ComplianceType	compliance,
		PixelInfo *	color,
		ExceptionInfo *	exception
	)

Definition at line 2270 of file color.c.

References AcquireString(), AllCompliance, _PixelInfo::alpha, _PixelPacket::alpha, _PixelInfo::alpha_trait, AlphaValue, BackgroundColor, _PixelInfo::black, BlendPixelTrait, _PixelInfo::blue, _PixelPacket::blue, _GeometryInfo::chi, ChiValue, ClampToQuantum(), CMYKColorspace, _ColorInfo::color, _PixelInfo::colorspace, ConvertHCLToRGB(), ConvertHSBToRGB(), ConvertHSLToRGB(), ConvertHSVToRGB(), ConvertHWBToRGB(), CopyMagickString(), _PixelInfo::depth, DestroyString(), GetColorCompliance(), GetMagickModule, GetPixelInfo(), GetQuantumRange(), GRAYColorspace, _PixelInfo::green, _PixelPacket::green, HCLColorspace, HSBColorspace, HSLColorspace, HSVColorspace, HWBColorspace, IsEventLogging(), LabColorspace, LocaleCompare(), LocaleLower(), LocaleNCompare(), LogMagickEvent(), MagickColorspaceOptions, MagickFalse, MagickPathExtent, MagickTrue, OpaqueAlpha, OptionWarning, ParseCommandOption(), ParseCSSColor(), _GeometryInfo::psi, PsiValue, QuantumRange, QueryColorCompliance(), _PixelInfo::red, _PixelPacket::red, RGBColorspace, _GeometryInfo::rho, RhoValue, ScaleAnyToQuantum(), _GeometryInfo::sigma, SigmaValue, sRGBColorspace, SubstituteString(), ThrowMagickException(), TraceEvent, UndefinedPixelTrait, _GeometryInfo::xi, and XiValue.

Referenced by AcquireImage(), CompareImages(), ConnectedComponentsImage(), DrawBoundingRectangles(), DrawClippingMask(), DrawCompositeMask(), DrawPatternPath(), FloodfillPaintImage(), GetColorRange(), GetConstantColour(), GetDrawInfo(), GetEdgeBackgroundCensus(), GetEdgeBackgroundColor(), GetHexColour(), GetImageInfo(), KmeansImage(), LoadColorCache(), MontageImageList(), PolaroidImage(), PreviewImage(), QueryColorCompliance(), RenderMVGContent(), SetImageProperty(), ShadowImage(), SyncImageSettings(), and VignetteImage().

QueryColorname()

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

Definition at line 2671 of file color.c.

References _PixelInfo::alpha, _PixelInfo::alpha_trait, _PixelInfo::blue, _ColorInfo::color, color_cache, _PixelInfo::colorspace, _ColorInfo::compliance, CopyMagickString(), _PixelInfo::depth, GetColorInfo(), GetColorTuple(), GetNextValueInLinkedList(), _PixelInfo::green, IssRGBColorspace(), magick_unreferenced, MagickEpsilon, MagickFalse, MagickPathExtent, MagickTrue, _ColorInfo::name, OpaqueAlpha, _PixelInfo::red, ResetLinkedListIterator(), SVGCompliance, UndefinedPixelTrait, and XPMCompliance.

Referenced by AnnotateImage(), GetNumberColors(), IdentifyImage(), and InterpretImageProperties().

Variable Documentation

color_cache

LinkedListInfo* color_cache = (LinkedListInfo *) NULL

static

Definition at line 790 of file color.c.

Referenced by ColorComponentTerminus(), GetColorCompliance(), GetColorInfoList(), GetColorList(), IsColorCacheInstantiated(), and QueryColorname().

color_semaphore

SemaphoreInfo* color_semaphore = (SemaphoreInfo *) NULL

static

Definition at line 793 of file color.c.

Referenced by ColorComponentGenesis(), ColorComponentTerminus(), GetColorCompliance(), GetColorInfoList(), GetColorList(), and IsColorCacheInstantiated().

Colormap

const ColormapInfo Colormap[]

static

Definition at line 104 of file color.c.

Referenced by AcquireColorCache().