Package steganography.image.encoders

Class PixelIndex

java.lang.Object

steganography.image.encoders.BuffImgEncoder

steganography.image.encoders.PixelBit

steganography.image.encoders.PixelIndex

public class PixelIndex
extends PixelBit

Author:

Henk-Joas Lubig, Selina Wernike The Pixel-Bit-Algorithm for Images using the Color-Couple-Algorithem

Field Summary

Fields inherited from class steganography.image.encoders.BuffImgEncoder

overlay

Constructor Summary

Constructors

Constructor	Description
PixelIndex(PixelCoordinateOverlay overlay, java.util.Map<java.lang.Integer,java.util.List<java.lang.Integer>> colorCouple, long seed)

Method Summary

Modifier and Type	Method	Description
protected int	changePixelValue(int pixelARGB)	Returns a new Color based on the Color Couple in the Map

Methods inherited from class steganography.image.encoders.PixelBit

decode, encode, getNumberOfChannels, pixelIsOne, setNumberOfChannels

Methods inherited from class steganography.image.encoders.BuffImgEncoder

getOverlay

Methods inherited from class java.lang.Object

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

Constructor Detail

PixelIndex

public PixelIndex(PixelCoordinateOverlay overlay,
                  java.util.Map<java.lang.Integer,java.util.List<java.lang.Integer>> colorCouple,
                  long seed)
           throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

Method Detail

changePixelValue

protected int changePixelValue(int pixelARGB)

Returns a new Color based on the Color Couple in the Map

Overrides:

changePixelValue in class PixelBit

Parameters:

pixelARGB - the pixelValue to change

Returns:

int The new Color for that pixel