UnpremultiplyFilter

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

All Implemented Interfaces:

java.awt.image.BufferedImageOp, java.lang.Cloneable
```
public class UnpremultiplyFilter
extends PointFilter
```
A filter which unpremultiplies an image's alpha. Note: this does not change the image type of the BufferedImage

- Field Summary
  - Fields inherited from class com.jhlabs.image.PointFilter
    canFilterIndexColorModel
- Constructor Summary
  
  Constructors
  Constructor Description
  
  UnpremultiplyFilter()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method 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
- UnpremultiplyFilter
```
public UnpremultiplyFilter()
```

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