Package com.twelvemonkeys.imageio.color

Class CIELabColorConverter

java.lang.Object

com.twelvemonkeys.imageio.color.CIELabColorConverter

public final class CIELabColorConverter
extends java.lang.Object

Converts between CIE L*a*b* and sRGB color spaces.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CIELabColorConverter.Illuminant

Field Summary

Fields

Modifier and Type	Field	Description
private float[]	whitePoint

Constructor Summary

Constructors

Constructor	Description
CIELabColorConverter(CIELabColorConverter.Illuminant illuminant)

Method Summary

Modifier and Type	Method	Description
private float	clamp(float x)
private float[]	LABtoXYZ(float L, float a, float b, float[] xyzResult)	Convert LAB to XYZ.
(package private) static double	pow(double a, double b)
void	toRGB(float l, float a, float b, float[] rgbResult)
private float[]	XYZtoRGB(float[] xyz, float[] rgbResult)	Convert XYZ to RGB
private float[]	XYZtoRGB(float X, float Y, float Z, float[] rgbResult)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

whitePoint

private final float[] whitePoint

Constructor Detail

CIELabColorConverter

public CIELabColorConverter(CIELabColorConverter.Illuminant illuminant)

Method Detail

clamp

private float clamp(float x)

toRGB

public void toRGB(float l,
                  float a,
                  float b,
                  float[] rgbResult)

LABtoXYZ

private float[] LABtoXYZ(float L,
                         float a,
                         float b,
                         float[] xyzResult)

Convert LAB to XYZ.

Parameters:

L -

a -

b -

Returns:

XYZ values

XYZtoRGB

private float[] XYZtoRGB(float[] xyz,
                         float[] rgbResult)

Convert XYZ to RGB

Parameters:

xyz -

Returns:

RGB values

XYZtoRGB

private float[] XYZtoRGB(float X,
                         float Y,
                         float Z,
                         float[] rgbResult)

pow

static double pow(double a,
                  double b)