de.htwdd.rosenkoenig.util
Class GreyFilter

java.lang.Object
  java.awt.image.ImageFilter
      java.awt.image.RGBImageFilter
          de.htwdd.rosenkoenig.util.GreyFilter

All Implemented Interfaces:

java.awt.image.ImageConsumer, java.lang.Cloneable

public class GreyFilter
extends java.awt.image.RGBImageFilter

More elaborate GreyFilter supporting brigtening of the Image

Field Summary

private static int	pBlu
private int	pBri Member that determines the amount the image will be brightened.
private static int	pGrn
private static int	pRed

Fields inherited from class java.awt.image.RGBImageFilter

canFilterIndexColorModel, newmodel, origmodel

Fields inherited from class java.awt.image.ImageFilter

consumer

Fields inherited from interface java.awt.image.ImageConsumer

COMPLETESCANLINES, IMAGEABORTED, IMAGEERROR, RANDOMPIXELORDER, SINGLEFRAME, SINGLEFRAMEDONE, SINGLEPASS, STATICIMAGEDONE, TOPDOWNLEFTRIGHT

Constructor Summary

GreyFilter()
Default constructor, uses the default brightness value of 140%

GreyFilter(int percentage)

Method Summary

int	filterRGB(int x, int y, int rgb)

Methods inherited from class java.awt.image.RGBImageFilter

filterIndexColorModel, filterRGBPixels, setColorModel, setPixels, setPixels, substituteColorModel

Methods inherited from class java.awt.image.ImageFilter

clone, getFilterInstance, imageComplete, resendTopDownLeftRight, setDimensions, setHints, setProperties

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

pRed

private static final int pRed

See Also:

Constant Field Values

pGrn

private static final int pGrn

See Also:

Constant Field Values

pBlu

private static final int pBlu

See Also:

Constant Field Values

pBri

private int pBri

Member that determines the amount the image will be brightened.

Constructor Detail

GreyFilter

GreyFilter()

Default constructor, uses the default brightness value of 140%

GreyFilter

GreyFilter(int percentage)

Parameters:

percentage - override the classes default percentage value for brightening the Image of 140%; use a negative value to darken the Image;

Method Detail

filterRGB

public int filterRGB(int x,
                     int y,
                     int rgb)

Specified by:

filterRGB in class java.awt.image.RGBImageFilter

Parameters:

x - x coordinate of the currently processed pixel

y - y coordinate of the currently processed pixel

rgb - alpha, red, green, blue value of the pixel