com.highqsoft.helper

Class ImageDecoder

java.lang.Object

com.highqsoft.helper.ImageDecoder

public class ImageDecoder
extends java.lang.Object

This class helps to encode a hash array into a gif image.

Author:

Andreas Hofmann

Constructor Summary

Constructors

Constructor and Description
ImageDecoder()

Method Summary

Methods

Modifier and Type	Method and Description
static byte[]	decode(java.awt.Image image, int len) Decodes a hash byte array from the given image.
static void	encode(java.awt.Image image, byte[] hash, java.io.File output) Encodes a hash byte array into the given image and write it back to the given output.
static void	main(java.lang.String[] args) The main testing routine.

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageDecoder

public ImageDecoder()

Method Detail

encode

public static void encode(java.awt.Image image,
          byte[] hash,
          java.io.File output)
                   throws java.lang.Exception

Encodes a hash byte array into the given image and write it back to the given output.

Parameters:

image - the image to used for encoding.

hash - the byte array to be encoded.

output - the output gif image file.

Throws:

java.lang.Exception

decode

public static byte[] decode(java.awt.Image image,
            int len)
                     throws java.lang.Exception

Decodes a hash byte array from the given image.

Parameters:

image - the image to used for encoding.

Returns:

the encoded hash array.

Throws:

java.lang.Exception

main

public static void main(java.lang.String[] args)

The main testing routine.

Parameters:

args -