com.jhlabs.image

Class LookupFilter

Implemented Interfaces:
BufferedImageOp, Cloneable

public class LookupFilter
extends PointFilter

A filter which uses the brightness of each pixel to lookup a color from a colormap.

Field Summary

Fields inherited from class com.jhlabs.image.PointFilter

canFilterIndexColorModel

Constructor Summary

LookupFilter()
Construct a LookupFilter.
LookupFilter(Colormap colormap)
Construct a LookupFilter.

Method Summary

int
filterRGB(int x, int y, int rgb)
Colormap
getColormap()
Get the colormap to be used for the filter.
void
setColormap(Colormap colormap)
Set the colormap to be used for the filter.
String
toString()

Methods inherited from class com.jhlabs.image.PointFilter

filter, filterRGB, setDimensions

Methods inherited from class com.jhlabs.image.AbstractBufferedImageOp

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

Constructor Details

LookupFilter

public LookupFilter()
Construct a LookupFilter.

LookupFilter

public LookupFilter(Colormap colormap)
Construct a LookupFilter.
Parameters:
colormap - the color map

Method Details

filterRGB

public int filterRGB(int x,
                     int y,
                     int rgb)
Overrides:
filterRGB in interface PointFilter

getColormap

public Colormap getColormap()
Get the colormap to be used for the filter.
Returns:
the colormap

setColormap

public void setColormap(Colormap colormap)
Set the colormap to be used for the filter.
Parameters:
colormap - the colormap
See Also:
getColormap()

toString

public String toString()