GainFilter

java.lang.Object
- com.jhlabs.image.AbstractBufferedImageOp
- - com.jhlabs.image.PointFilter
  - - com.jhlabs.image.TransferFilter
    - - com.jhlabs.image.GainFilter

All Implemented Interfaces:

java.awt.image.BufferedImageOp, java.lang.Cloneable
```
public class GainFilter
extends TransferFilter
```
A filter which changes the gain and bias of an image - similar to ContrastFilter.

Field Summary
- Fields inherited from class com.jhlabs.image.TransferFilter
  bTable, gTable, initialized, rTable
- Fields inherited from class com.jhlabs.image.PointFilter
  canFilterIndexColorModel

Constructor Summary

Constructors
Constructor Description

GainFilter()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`float`	`getBias()`	Get the bias.
`float`	`getGain()`	Get the gain.
`void`	`setBias(float bias)`	Set the bias.
`void`	`setGain(float gain)`	Set the gain.
`java.lang.String`	`toString()`
`protected float`	`transferFunction(float f)`

Methods inherited from class com.jhlabs.image.TransferFilter
filter, filterRGB, getLUT, initialize, makeTable

Methods inherited from class com.jhlabs.image.PointFilter
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
  - GainFilter
```
public GainFilter()
```
- Method Detail
  - transferFunction
```
protected float transferFunction(float f)
```
    Overrides:
    
    transferFunction in class TransferFilter
  - setGain
```
public void setGain(float gain)
```
    Set the gain.
    
    Parameters:
    
    gain - the gain, min-value: 0, max-value: 1.
    
    See Also:
    
    getGain()
  - getGain
```
public float getGain()
```
    Get the gain.
    
    Returns:
    
    the gain
    
    See Also:
    
    setGain(float)
  - setBias
```
public void setBias(float bias)
```
    Set the bias.
    
    Parameters:
    
    bias - the bias, min-value: 0, max-value: 1.
    
    See Also:
    
    getBias()
  - getBias
```
public float getBias()
```
    Get the bias.
    
    Returns:
    
    the bias
    
    See Also:
    
    setBias(float)
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object