ContrastFilter

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

All Implemented Interfaces:

java.awt.image.BufferedImageOp, java.lang.Cloneable
```
public class ContrastFilter
extends TransferFilter
```
A filter to change the brightness and contrast of an image.

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

ContrastFilter()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`float`	`getBrightness()`	Get the filter brightness.
`float`	`getContrast()`	Get the filter contrast.
`void`	`setBrightness(float brightness)`	Set the filter brightness.
`void`	`setContrast(float contrast)`	Set the filter contrast.
`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
  - ContrastFilter
```
public ContrastFilter()
```
- Method Detail
  - transferFunction
```
protected float transferFunction(float f)
```
    Overrides:
    
    transferFunction in class TransferFilter
  - setBrightness
```
public void setBrightness(float brightness)
```
    Set the filter brightness.
    
    Parameters:
    
    brightness - the brightness in the range 0 to 1, min-value 0, max-value 0.
    
    See Also:
    
    getBrightness()
  - getBrightness
```
public float getBrightness()
```
    Get the filter brightness.
    
    Returns:
    
    the brightness in the range 0 to 1
    
    See Also:
    
    setBrightness(float)
  - setContrast
```
public void setContrast(float contrast)
```
    Set the filter contrast.
    
    Parameters:
    
    contrast - the contrast in the range 0 to 1, min-value 0, max-value 0
    
    See Also:
    
    getContrast()
  - getContrast
```
public float getContrast()
```
    Get the filter contrast.
    
    Returns:
    
    the contrast in the range 0 to 1
    
    See Also:
    
    setContrast(float)
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object