railo.runtime.img.filter
Class GrayscaleFilter

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

public class GrayscaleFilter
extends PointFilter
implements DynFiltering

A filter which converts an image to grayscale using the NTSC brightness calculation.


Constructor Summary
GrayscaleFilter()
           
 
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

GrayscaleFilter

public GrayscaleFilter()
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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