railo.runtime.img.filter
Class GammaFilter

java.lang.Object
  extended by railo.runtime.img.filter.AbstractBufferedImageOp
      extended by railo.runtime.img.filter.PointFilter
          extended by railo.runtime.img.filter.TransferFilter
              extended by railo.runtime.img.filter.GammaFilter
All Implemented Interfaces:
BufferedImageOp, Cloneable, DynFiltering

public class GammaFilter
extends TransferFilter
implements DynFiltering

A filter for changing the gamma of an image.


Constructor Summary
GammaFilter()
          Construct a GammaFilter.
GammaFilter(float gamma)
          Construct a GammaFilter.
GammaFilter(float rGamma, float gGamma, float bGamma)
          Construct a GammaFilter.
 
Method Summary
 BufferedImage filter(BufferedImage src, Struct parameters)
           
 float getGamma()
          Get the gamma level.
 void setGamma(float gamma)
          Set the gamma level.
 void setGamma(float rGamma, float gGamma, float bGamma)
          Set the gamma levels.
 String toString()
           
 
Methods inherited from class railo.runtime.img.filter.TransferFilter
filter, filterRGB, getLUT
 
Methods inherited from class railo.runtime.img.filter.PointFilter
setDimensions
 
Methods inherited from class railo.runtime.img.filter.AbstractBufferedImageOp
clone, createCompatibleDestImage, getBounds2D, getPoint2D, getRenderingHints, getRGB, setRGB
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

GammaFilter

public GammaFilter()
Construct a GammaFilter.


GammaFilter

public GammaFilter(float gamma)
Construct a GammaFilter.

Parameters:
gamma - the gamma level for all RGB channels

GammaFilter

public GammaFilter(float rGamma,
                   float gGamma,
                   float bGamma)
Construct a GammaFilter.

Parameters:
rGamma - the gamma level for the red channel
gGamma - the gamma level for the blue channel
bGamma - the gamma level for the green channel
Method Detail

setGamma

public void setGamma(float rGamma,
                     float gGamma,
                     float bGamma)
Set the gamma levels.

Parameters:
rGamma - the gamma level for the red channel
gGamma - the gamma level for the blue channel
bGamma - the gamma level for the green channel
See Also:
getGamma()

setGamma

public void setGamma(float gamma)
Set the gamma level.

Parameters:
gamma - the gamma level for all RGB channels
See Also:
getGamma()

getGamma

public float getGamma()
Get the gamma level.

Returns:
the gamma level for all RGB channels
See Also:
setGamma(float, float, float)

toString

public String toString()
Overrides:
toString in class Object

filter

public BufferedImage filter(BufferedImage src,
                            Struct parameters)
                     throws PageException
Specified by:
filter in interface DynFiltering
Overrides:
filter in class TransferFilter
Throws:
PageException


Copyright © 2012 Railo