trex.Algo
Class StegoAlgoLSB.LSBDecryptFilter

java.lang.Object
  |
  +--java.awt.image.ImageFilter
        |
        +--java.awt.image.RGBImageFilter
              |
              +--trex.Filter.TRexFilterRGB
                    |
                    +--trex.Algo.StegoAlgoLSB.LSBDecryptFilter

All Implemented Interfaces:

Cloneable, ImageConsumer

Direct Known Subclasses:

StegoAlgoLSBpp.LSBppDecryptFilter

Enclosing class:

StegoAlgoLSB

protected class StegoAlgoLSB.LSBDecryptFilter

extends TRexFilterRGB

LSBDecryptFilter is the decrypt filter for the LSB algorithm.

Field Summary

Fields inherited from class trex.Filter.TRexFilterRGB

data, h, w

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

StegoAlgoLSB.LSBDecryptFilter(int w, int h)
Constructs a new filter.

Method Summary

int	filterRGB(int x, int y, int rgb) Extracts the data from the image.

Methods inherited from class trex.Filter.TRexFilterRGB

getData

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

Constructor Detail

StegoAlgoLSB.LSBDecryptFilter

public StegoAlgoLSB.LSBDecryptFilter(int w,
                                     int h)

Constructs a new filter.

Parameters:

w - picture's width

h - picture's height

Method Detail

filterRGB

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

Extracts the data from the image. The data is stored privately and can be requested via the getData() method.

Specified by:

filterRGB in class RGBImageFilter

Parameters:

x - horizontal coordinate

y - vertical coordinate

rgb - input pixel color

Returns:

Arbitrary rgb value, currently original color

See Also:

TRexFilterRGB.getData()