com.jhlabs.image

Class InvertAlphaFilter

java.lang.Object

com.jhlabs.image.AbstractBufferedImageOp

com.jhlabs.image.PointFilter

com.jhlabs.image.InvertAlphaFilter

All Implemented Interfaces:

java.awt.image.BufferedImageOp, java.lang.Cloneable

public class InvertAlphaFilter
extends PointFilter

A Filter to invert the alpha channel of an image. This is really only useful for inverting selections, where we only use the alpha channel.

Field Summary

Fields inherited from class com.jhlabs.image.PointFilter

canFilterIndexColorModel

Constructor Summary

Constructors

Constructor and Description
InvertAlphaFilter()

Method Summary

Modifier and Type	Method and Description
int	filterRGB(int x, int y, int rgb)
java.lang.String	toString()

Methods inherited from class com.jhlabs.image.PointFilter

filter, setDimensions

Methods inherited from class com.jhlabs.image.AbstractBufferedImageOp

clone, createCompatibleDestImage, getBounds2D, getPoint2D, getRenderingHints, getRGB, setRGB, stringToColor

Methods inherited from class java.lang.Object

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

Constructor Detail

InvertAlphaFilter

public InvertAlphaFilter()

Method Detail

filterRGB

public int filterRGB(int x,
                     int y,
                     int rgb)

Specified by:

filterRGB in class PointFilter

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object