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gnu.java.awt.color
Class LinearRGBConverter  

java.lang.Object
  gnu.java.awt.color.LinearRGBConverter

All Implemented Interfaces:

ColorSpaceConverter

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public class LinearRGBConverter

extends java.lang.Object

implements ColorSpaceConverter

LinearRGBConverter - conversion routines for a linear sRGB colorspace sRGB is a standard for RGB colorspaces, adopted by the w3c. The specification is available at: http://www.w3.org/Graphics/Color/sRGB.html

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Constructor Summary

LinearRGBConverter()

 

Method Summary
float[]	fromCIEXYZ(float[] in)           Linear RGB --> CIE XYZ (D50 relative) This is a simple matrix transform, the matrix (relative D65) is given in the sRGB spec.
float[]	fromRGB(float[] in)           sRGB --> linear RGB Use the gamma curve (gamma=2.4 in sRGB)
float[]	toCIEXYZ(float[] in)           Linear RGB --> CIE XYZ (D50 relative) Uses the inverse of the above matrix.
float[]	toRGB(float[] in)           linear RGB --> sRGB Use the inverse gamma curve

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

LinearRGBConverter

public LinearRGBConverter()

Method Detail

toRGB

public float[] toRGB(float[] in)

linear RGB --> sRGB Use the inverse gamma curve

Specified by:

toRGB in interface ColorSpaceConverter

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fromRGB

public float[] fromRGB(float[] in)

sRGB --> linear RGB Use the gamma curve (gamma=2.4 in sRGB)

Specified by:

fromRGB in interface ColorSpaceConverter

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fromCIEXYZ

public float[] fromCIEXYZ(float[] in)

Linear RGB --> CIE XYZ (D50 relative) This is a simple matrix transform, the matrix (relative D65) is given in the sRGB spec. This has been combined with a linear Bradford transform for the D65-->D50 mapping, resulting in a single matrix which does the whole thing.

Specified by:

fromCIEXYZ in interface ColorSpaceConverter

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toCIEXYZ

public float[] toCIEXYZ(float[] in)

Linear RGB --> CIE XYZ (D50 relative) Uses the inverse of the above matrix.

Specified by:

toCIEXYZ in interface ColorSpaceConverter

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