LookupFilter

java.lang.Object
- com.jhlabs.image.AbstractBufferedImageOp
- - com.jhlabs.image.PointFilter
  - - com.jhlabs.image.LookupFilter

All Implemented Interfaces:

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

Constructors
Constructor Description

LookupFilter()

LookupFilter(Colormap colormap)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`filterRGB(int x, int y, int rgb)`
`Colormap`	`getColormap()`
`void`	`setColormap(Colormap colormap)`
`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

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

LookupFilter
```
public LookupFilter()
```

LookupFilter

public LookupFilter(Colormap colormap)

Method Detail

setColormap

public void setColormap(Colormap colormap)

getColormap
```
public Colormap getColormap()
```

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