com.jhlabs.image

Class 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 and Description
ContrastFilter()

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.
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