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"

Data Structures

struct  _ColormapInfo

Defines

#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)
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

Define Documentation

#define ColorFilename   "colors.xml"

Referenced by IsColorCacheInstantiated().

#define IsColorComponentFactional ( color   )     ((color)-ScaleCharToQuantum(ScaleQuantumToChar(color)))
#define SearchImageText   " Searching image... "

Referenced by IsEquivalentImage().

#define SVGCompliant ( component   ) 
Value:
((double) \
   ScaleCharToQuantum(ScaleQuantumToChar(ClampToQuantum(component))))

Referenced by IsSVGCompliant().

#define SVGEpsilon   1.0e-6

Referenced by IsSVGCompliant().

Typedef Documentation

typedef struct _ColormapInfo ColormapInfo

Function Documentation

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

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(), MagickCoreSignature, MagickFalse, MagickTrue, _ColorInfo::name, _ColormapInfo::name, NewLinkedList(), _ColorInfo::path, QuantumRange, _ColormapInfo::red, _PixelInfo::red, ResourceLimitError, ScaleCharToQuantum(), _ColorInfo::signature, and ThrowMagickException().

Referenced by IsColorCacheInstantiated().

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

References LocaleCompare().

Referenced by GetColorList().

MagickPrivate MagickBooleanType ColorComponentGenesis ( void   ) 

References AcquireSemaphoreInfo(), color_semaphore, and MagickTrue.

MagickPrivate void ColorComponentTerminus ( void   ) 

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

Referenced by MagickCoreTerminus().

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

References LocaleCompare().

Referenced by GetColorInfoList().

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

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(), IdentifyImage(), and XMakeMagnifyImage().

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

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

Referenced by GetColorTuple().

static void* DestroyColorElement ( void *  color_info  )  [static]

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

Referenced by ColorComponentTerminus().

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

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().

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

References AllCompliance, and GetColorCompliance().

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

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

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

Referenced by ListColorInfo().

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

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

Referenced by XColorBrowserWidget().

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

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

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

static MagickBooleanType IsColorCacheInstantiated ( ExceptionInfo *  exception  )  [static]

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

Referenced by GetColorCompliance().

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

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

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

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

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

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

static MagickBooleanType IsSVGCompliant ( const PixelInfo *  pixel  )  [inline, static]

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

Referenced by ConcatenateColorComponent(), and GetColorTuple().

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

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

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

References AcquireCriticalMemory(), AcquireString(), AllCompliance, AppendValueToLinkedList(), _ColorInfo::color, _ColorInfo::compliance, ConcatenateMagickString(), ConfigureError, ConfigureEvent, ConstantString(), CopyMagickString(), DestroyString(), DirectorySeparator, _ColorInfo::exempt, FileToXML(), GetMagickModule, GetNextToken(), GetPathComponent(), HeadPath, IsStringTrue(), 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().

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

References AcquireString(), AllCompliance, _PixelInfo::alpha, _PixelPacket::alpha, _PixelInfo::alpha_trait, 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, LabColorspace, LocaleCompare(), LocaleLower(), LocaleNCompare(), LogMagickEvent(), MagickColorspaceOptions, MagickFalse, MagickPathExtent, MagickTrue, OpaqueAlpha, OptionWarning, ParseCommandOption(), ParseGeometry(), PercentValue, _GeometryInfo::psi, PsiValue, QuantumRange, _PixelInfo::red, _PixelPacket::red, RGBColorspace, _GeometryInfo::rho, RhoValue, ScaleAnyToQuantum(), ScaleCharToQuantum(), SetGeometryInfo(), _GeometryInfo::sigma, SigmaValue, sRGBColorspace, SubstituteString(), ThrowMagickException(), TraceEvent, UndefinedPixelTrait, _GeometryInfo::xi, and XiValue.

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

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

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(), InterpretImageProperties(), XGetWindowColor(), and XMakeMagnifyImage().

Variable Documentation

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

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

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

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

const ColormapInfo Colormap[] [static]

Referenced by AcquireColorCache(), XBestVisualInfo(), XConfigureImageColormap(), XFreeStandardColormap(), XGetPixelInfo(), XGetWindowImage(), XImportImage(), XInitializeWindows(), XMakeCursor(), XMakeStandardColormap(), XQueryColorCompliance(), and XRenderImage().

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