Package org.loboevolution.pdfview.colorspace

Class CalGrayColor

java.lang.Object

java.awt.color.ColorSpace

org.loboevolution.pdfview.colorspace.CalGrayColor

All Implemented Interfaces:

Serializable

public class CalGrayColor
extends ColorSpace

A ColorSpace for calibrated gray

Author Mike Wessler

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

Constructors

Constructor	Description
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

Modifier and Type	Method	Description
float[]	fromCIEXYZ(float[] colorvalue)
float[]	fromRGB(float[] rgbvalue)
int	getNumComponents()
int	getType()
float[]	toCIEXYZ(float[] colorvalue)
float[]	toRGB(float[] comp)

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 Details

CalGrayColor

public CalGrayColor(PDFObject obj)
             throws 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:

IOException - if any.

CalGrayColor

public CalGrayColor()

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

Method Details

getNumComponents

public int getNumComponents()

get the number of components (1).

Overrides:

getNumComponents in class ColorSpace

toRGB

public float[] toRGB(float[] comp)

convert from Calibrated Gray to RGB.

Specified by:

toRGB in class ColorSpace

fromRGB

public float[] fromRGB(float[] rgbvalue)

convert from RGB to Calibrated Gray. NOT IMPLEMENTED

Specified by:

fromRGB in class ColorSpace

fromCIEXYZ

public float[] fromCIEXYZ(float[] colorvalue)

convert from CIEXYZ to Calibrated Gray. NOT IMPLEMENTED

Specified by:

fromCIEXYZ in class ColorSpace

getType

public int getType()

get the type of this ColorSpace (TYPE_GRAY)

Overrides:

getType in class ColorSpace

toCIEXYZ

public float[] toCIEXYZ(float[] colorvalue)

convert from Calibrated Gray to CIEXYZ. NOT IMPLEMENTED

Specified by:

toCIEXYZ in class ColorSpace