j2d.filters
Class InvertAlphaFilter

java.lang.Object
  j2d.filters.AbstractBufferedImageOp
      j2d.filters.PointFilter
          j2d.filters.InvertAlphaFilter

All Implemented Interfaces:

ImageProcessorInterface, java.awt.image.BufferedImageOp, java.io.Serializable, 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.

See Also:

Serialized Form

Constructor Summary

InvertAlphaFilter()

Method Summary

int	filterRGB(int x, int y, int rgb)
java.lang.String	toString()

Methods inherited from class j2d.filters.PointFilter

filter, setDimensions

Methods inherited from class j2d.filters.AbstractBufferedImageOp

createCompatibleDestImage, getBounds2D, getPoint2D, getRenderingHints, getRGB, process, setRGB

Methods inherited from class java.lang.Object

equals, 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