railo.runtime.img.filter
Class PremultiplyFilter

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

public class PremultiplyFilter
extends PointFilter
implements DynFiltering

A filter which premultiplies an image's alpha. Note: this does not change the image type of the BufferedImage


Constructor Summary
PremultiplyFilter()
           
 
Method Summary
 BufferedImage filter(BufferedImage src, Struct parameters)
           
 int filterRGB(int x, int y, int rgb)
           
 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

PremultiplyFilter

public PremultiplyFilter()
Method Detail

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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