public class LabColor
extends java.awt.color.ColorSpace
CS_CIEXYZ, CS_GRAY, CS_LINEAR_RGB, CS_PYCC, CS_sRGB, TYPE_2CLR, TYPE_3CLR, TYPE_4CLR, TYPE_5CLR, TYPE_6CLR, TYPE_7CLR, TYPE_8CLR, TYPE_9CLR, TYPE_ACLR, TYPE_BCLR, TYPE_CCLR, TYPE_CMY, TYPE_CMYK, TYPE_DCLR, TYPE_ECLR, TYPE_FCLR, TYPE_GRAY, TYPE_HLS, TYPE_HSV, TYPE_Lab, TYPE_Luv, TYPE_RGB, TYPE_XYZ, TYPE_YCbCr, TYPE_Yxy
Constructor and Description |
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LabColor(PDFObject obj)
Create a new Lab color space object, given the description in
a PDF dictionary.
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Modifier and Type | Method and Description |
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float[] |
fromCIEXYZ(float[] colorvalue)
convert from CIEXYZ to Lab.
|
float[] |
fromRGB(float[] rgbvalue)
convert from RGB to Lab.
|
int |
getNumComponents()
get the number of components for this color space (3)
|
int |
getType()
get the type of this colorspace (TYPE_Lab)
|
float |
stage2(float s1)
Stage 2 of the conversion algorithm.
|
float[] |
toCIEXYZ(float[] colorvalue)
convert from Lab to CIEXYZ.
|
float[] |
toRGB(float[] comp)
convert from Lab to RGB
|
public LabColor(PDFObject obj) throws java.io.IOException
obj
- a dictionary that contains an Array of 3 Numbers for
"WhitePoint" and "BlackPoint", and an array of 4 Numbers for
"Range".java.io.IOException
public int getNumComponents()
getNumComponents
in class java.awt.color.ColorSpace
public final float stage2(float s1)
public float[] toRGB(float[] comp)
toRGB
in class java.awt.color.ColorSpace
comp
- the Lab values (0-1)public float[] fromRGB(float[] rgbvalue)
fromRGB
in class java.awt.color.ColorSpace
public float[] fromCIEXYZ(float[] colorvalue)
fromCIEXYZ
in class java.awt.color.ColorSpace
public int getType()
getType
in class java.awt.color.ColorSpace
public float[] toCIEXYZ(float[] colorvalue)
toCIEXYZ
in class java.awt.color.ColorSpace