com.sun.pdfview.colorspace
Class CalGrayColor

java.lang.Object
  extended by java.awt.color.ColorSpace
      extended by com.sun.pdfview.colorspace.CalGrayColor
All Implemented Interfaces:
java.io.Serializable

public class CalGrayColor
extends java.awt.color.ColorSpace

A ColorSpace for calibrated gray

See Also:
Serialized Form

Field Summary
 
Fields inherited from class 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 Summary
CalGrayColor()
          Create a new calibrated gray color space object, with the default values for black point, white point and gamma
CalGrayColor(PDFObject obj)
          Create a new Calibrated Gray color space object, given the description in a PDF dictionary.
 
Method Summary
 float[] fromCIEXYZ(float[] colorvalue)
          convert from CIEXYZ to Calibrated Gray.
 float[] fromRGB(float[] rgbvalue)
          convert from RGB to Calibrated Gray.
 int getNumComponents()
          get the number of components (1).
 int getType()
          get the type of this ColorSpace (TYPE_GRAY)
 float[] toCIEXYZ(float[] colorvalue)
          convert from Calibrated Gray to CIEXYZ.
 float[] toRGB(float[] comp)
          convert from Calibrated Gray to RGB.
 
Methods inherited from class java.awt.color.ColorSpace
getInstance, getMaxValue, getMinValue, getName, isCS_sRGB
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

CalGrayColor

public CalGrayColor(PDFObject obj)
             throws java.io.IOException
Create a new Calibrated Gray color space object, given the description in a PDF dictionary.

Parameters:
obj - a dictionary that contains an Array of 3 Numbers for "WhitePoint" and "BlackPoint", and a Number for "Gamma"
Throws:
java.io.IOException

CalGrayColor

public CalGrayColor()
Create a new calibrated gray color space object, with the default values for black point, white point and gamma

Method Detail

getNumComponents

public int getNumComponents()
get the number of components (1).

Overrides:
getNumComponents in class java.awt.color.ColorSpace

toRGB

public float[] toRGB(float[] comp)
convert from Calibrated Gray to RGB.

Specified by:
toRGB in class java.awt.color.ColorSpace
Parameters:
comp - the gray value (0-1)
Returns:
the RGB values (0-1)

fromRGB

public float[] fromRGB(float[] rgbvalue)
convert from RGB to Calibrated Gray. NOT IMPLEMENTED

Specified by:
fromRGB in class java.awt.color.ColorSpace

fromCIEXYZ

public float[] fromCIEXYZ(float[] colorvalue)
convert from CIEXYZ to Calibrated Gray. NOT IMPLEMENTED

Specified by:
fromCIEXYZ in class java.awt.color.ColorSpace

getType

public int getType()
get the type of this ColorSpace (TYPE_GRAY)

Overrides:
getType in class java.awt.color.ColorSpace

toCIEXYZ

public float[] toCIEXYZ(float[] colorvalue)
convert from Calibrated Gray to CIEXYZ. NOT IMPLEMENTED

Specified by:
toCIEXYZ in class java.awt.color.ColorSpace