railo.runtime.img.filter
Class RescaleFilter

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.RescaleFilter
All Implemented Interfaces:
BufferedImageOp, Cloneable, DynFiltering

public class RescaleFilter
extends TransferFilter
implements DynFiltering

A filter which simply multiplies pixel values by a given scale factor.


Constructor Summary
RescaleFilter()
           
RescaleFilter(float scale)
           
 
Method Summary
 BufferedImage filter(BufferedImage src, Struct parameters)
           
 float getScale()
          Returns the scale factor.
 void setScale(float scale)
          Specifies the scale factor.
 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

RescaleFilter

public RescaleFilter()

RescaleFilter

public RescaleFilter(float scale)
Method Detail

setScale

public void setScale(float scale)
Specifies the scale factor.

Parameters:
scale - the scale factor.
See Also:
getScale()

getScale

public float getScale()
Returns the scale factor.

Returns:
the scale factor.
See Also:
setScale(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


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