railo.runtime.img.filter
Class PosterizeFilter

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

public class PosterizeFilter
extends PointFilter
implements DynFiltering

A filter to posterize an image.


Constructor Summary
PosterizeFilter()
           
 
Method Summary
 BufferedImage filter(BufferedImage src, Struct parameters)
           
 int filterRGB(int x, int y, int rgb)
           
 int getNumLevels()
          Get the number of levels in the output image.
 void setNumLevels(int numLevels)
          Set the number of levels in the output image.
 String toString()
           
 
Methods inherited from class railo.runtime.img.filter.PointFilter
filter, 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

PosterizeFilter

public PosterizeFilter()
Method Detail

setNumLevels

public void setNumLevels(int numLevels)
Set the number of levels in the output image.

Parameters:
numLevels - the number of levels
See Also:
getNumLevels()

getNumLevels

public int getNumLevels()
Get the number of levels in the output image.

Returns:
the number of levels
See Also:
setNumLevels(int)

filterRGB

public int filterRGB(int x,
                     int y,
                     int rgb)
Specified by:
filterRGB in class PointFilter

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 PointFilter
Throws:
PageException


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