Class XYZSet 

java.lang.Object
   |
   +----XYZSet
public class XYZSet
extends Object
This class implements conversions between RGB, CIE XYZ and CIELAB color spaces.

Variable Index

o aa
o b
o bb
o bf
o g
o gf
o L
o Px
x color matching function tabulated at 20-nm intervals.
o Py
y color matching function tabulated at 20-nm intervals.
o Pz
z color matching function tabulated at 20-nm intervals.
o r
o rf
o X
o Y
o Z

Constructor Index

o XYZSet()
Constructs a converter with no arguments.
o XYZSet(RGBCoord)
Constructs a converter with an argument.

Method Index

o convertFromRGB(RGBCoord)
Converts from RGB to XYZ and LAB.
o LABtoXYZ()
Converts from LAB to XYZ internally.
o LABtoXYZ(float, float)
Converts from LAB to XYZ.
o RGBtoXYZ(RGBCoord)
Converts from RGB to XYZ.
o spectrumToXYZ(float[])
Computes XYZ coordinates for a spectrum.
o XYZtoLAB()
Converts from XYZ to LAB internally.
o XYZtoRGB()
Converts from XYZ to RGB internally.
o XYZtoRGB(RGBCoord)
Converts from XYZ to RGB.

Variables

o L 
 float L
o aa 
 float aa
o bb 
 float bb
o X 
 float X
o Y 
 float Y
o Z 
 float Z
o r 
 int r
o g 
 int g
o b 
 int b
o rf 
 float rf
o gf 
 float gf
o bf 
 float bf
o Px 
 static float Px[]
x color matching function tabulated at 20-nm intervals. (10-degree 1964 CIE suppl. std. observer)

o Py 
 static float Py[]
y color matching function tabulated at 20-nm intervals. (10-degree 1964 CIE suppl. std. observer)

o Pz 
 static float Pz[]
z color matching function tabulated at 20-nm intervals. (10-degree 1964 CIE suppl. std. observer)

Constructors

o XYZSet 
 public XYZSet()
Constructs a converter with no arguments.

o XYZSet 
 public XYZSet(RGBCoord rgb)
Constructs a converter with an argument.

Parameters:
rgb - RGB components that are used to compute initial XYZ and LAB values.
See Also:
RGBCoord

Methods

o convertFromRGB 
 public void convertFromRGB(RGBCoord rgb)
Converts from RGB to XYZ and LAB.

Parameters:
rgb - RGB components to convert from.
See Also:
RGBCoord
o spectrumToXYZ 
 public void spectrumToXYZ(float data[])
Computes XYZ coordinates for a spectrum.

Parameters:
data[] - an array of 16 spectrum data points.
o XYZtoRGB 
 public int XYZtoRGB()
Converts from XYZ to RGB internally.

Returns:
24-bit RGB color if conversion successful; 0 otherwise
o XYZtoRGB 
 public void XYZtoRGB(RGBCoord rgb)
Converts from XYZ to RGB.

Parameters:
rgb - RGBCoord object to set with converted values.
o RGBtoXYZ 
 public void RGBtoXYZ(RGBCoord rgb)
Converts from RGB to XYZ.

Parameters:
rgb - input RGB values.
o LABtoXYZ 
 public void LABtoXYZ()
Converts from LAB to XYZ internally.

o LABtoXYZ 
 public void LABtoXYZ(float a,
                      float b)
Converts from LAB to XYZ. Uses internal L-value.

Parameters:
a - the a-value
b - the b-value
o XYZtoLAB 
 public void XYZtoLAB()
Converts from XYZ to LAB internally.