com.alee.graphics.filters

Class ContrastFilter

java.lang.Object

com.alee.graphics.filters.AbstractBufferedImageOp

com.alee.graphics.filters.PointFilter

com.alee.graphics.filters.TransferFilter

com.alee.graphics.filters.ContrastFilter

All Implemented Interfaces:

BufferedImageOp

public class ContrastFilter
extends TransferFilter

A filter to change the brightness and contrast of an image.

Author:

Jerry Huxtable

Field Summary

Fields inherited from class com.alee.graphics.filters.TransferFilter

bTable, gTable, initialized, rTable

Fields inherited from class com.alee.graphics.filters.PointFilter

canFilterIndexColorModel

Constructor Summary

Constructors

Constructor and Description
ContrastFilter() Constructs new contrast filter with default settings.
ContrastFilter(float brightness, float contrast) Constructs new contrast filter.

Method Summary

Modifier and Type	Method and 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.
String	toString()
protected float	transferFunction(float f)

Methods inherited from class com.alee.graphics.filters.TransferFilter

filter, filterRGB, getLUT, initialize, makeTable

Methods inherited from class com.alee.graphics.filters.PointFilter

setDimensions

Methods inherited from class com.alee.graphics.filters.AbstractBufferedImageOp

createCompatibleDestImage, getBounds2D, getPoint2D, getRenderingHints, getRGB, setRGB

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ContrastFilter

public ContrastFilter()

Constructs new contrast filter with default settings.

ContrastFilter

public ContrastFilter(float brightness,
                      float contrast)

Constructs new contrast filter.

Parameters:

brightness - the brightness in the range 0 to 1

contrast - the contrast in the range 0 to 1

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

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

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 String toString()

Overrides:

toString in class Object