GIFTableDecoder

java.lang.Object
- steganography.image.encoders.GIFTableDecoder

```
public class GIFTableDecoder
extends java.lang.Object
```
Author:

Selina Wernike These Class is mainly used to decode and change a GIF color table. It's based on the official GIF source

Constructor Summary

Constructors
Constructor Description

GIFTableDecoder()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.util.Map<java.lang.Integer,java.util.List<java.lang.Integer>>`	`getColorCouples(int[] colorTable)`	Splits the colorTable into Color Couples which have similar color Values.
`int[]`	`saveColorTable(byte[] gif)`	This Method extracts the color table of a gif and transforms it into an int-array.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - GIFTableDecoder
```
public GIFTableDecoder()
```
- Method Detail
  - saveColorTable
```
public int[] saveColorTable(byte[] gif)
```
    This Method extracts the color table of a gif and transforms it into an int-array. Each entry contains an Integer representing Alpha, red, green, blue channel with 8 bit each
    
    Parameters:
    
    gif - Not decoded byte-Array of a gif
    
    Returns:
    
    {int[]} colorTable The
  - getColorCouples
```
public java.util.Map<java.lang.Integer,java.util.List<java.lang.Integer>> getColorCouples(int[] colorTable)
```
    Splits the colorTable into Color Couples which have similar color Values. Alpha is allways 00xF.
    
    Parameters:
    
    colorTable - A color Table containing ARGB values
    
    Returns:
    
    ColorCoupel[] Hash Map with a color as key and similar Colors as List values