org.apache.xmlgraphics.java2d.color

Class GrayScaleColorConverter

java.lang.Object

org.apache.xmlgraphics.java2d.color.GrayScaleColorConverter

All Implemented Interfaces:

ColorConverter

public final class GrayScaleColorConverter
extends java.lang.Object
implements ColorConverter

Converts to grayscale using the standard RED=30%, GREEN=59% and BLUE=11% weights (see http://en.wikipedia.org/wiki/Grayscale)

Field Summary

Fields

Modifier and Type	Field and Description
private static int	BLUE_WEIGHT
private static int	GREEN_WEIGTH
private static int	RED_WEIGHT
private static GrayScaleColorConverter	SINGLETON

Constructor Summary

Constructors

Modifier	Constructor and Description
private	GrayScaleColorConverter()

Method Summary

Modifier and Type	Method and Description
java.awt.Color	convert(java.awt.Color color) The color is converted to CMYK with just the K component.
static GrayScaleColorConverter	getInstance() Returns a singleton instance.

Methods inherited from class java.lang.Object

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

Field Detail

RED_WEIGHT

private static final int RED_WEIGHT

See Also:

Constant Field Values

GREEN_WEIGTH

private static final int GREEN_WEIGTH

See Also:

Constant Field Values

BLUE_WEIGHT

private static final int BLUE_WEIGHT

See Also:

Constant Field Values

SINGLETON

private static final GrayScaleColorConverter SINGLETON

Constructor Detail

GrayScaleColorConverter

private GrayScaleColorConverter()

Method Detail

getInstance

public static GrayScaleColorConverter getInstance()

Returns a singleton instance.

Returns:

singleton instance of GrayScaleColorConverter

convert

public java.awt.Color convert(java.awt.Color color)

The color is converted to CMYK with just the K component.

Specified by:

convert in interface ColorConverter

Parameters:

color - to convert

Returns:

converted color