coders
Class ReversibleDecoder

java.lang.Object
  coders.Decoder
      coders.ReversibleDecoder

Direct Known Subclasses:

DifferenceExpansionDecoder, ProgressiveDivisibilityDecoder

public abstract class ReversibleDecoder
extends Decoder

Author:

Jonathan L Dautrich Jr.

Field Summary

protected Bitmap

restoredBitmap

Fields inherited from class coders.Decoder

decoded, encodedBitmap, payload

Constructor Summary

ReversibleDecoder(Bitmap encodedBitmap)
Initializes this reversible decoder with the specified bitmap.

Method Summary

abstract void	decode() Decodes the current bitmap, obtaining and storing the original payload and the original image.
Bitmap	getRestoredBitmap() Retrieves the restored bitmap, running the decode operation first if necessary.

Methods inherited from class coders.Decoder

getEncodedBitmap, getPayload

Methods inherited from class java.lang.Object

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

Field Detail

restoredBitmap

protected Bitmap restoredBitmap

Constructor Detail

ReversibleDecoder

public ReversibleDecoder(Bitmap encodedBitmap)

Initializes this reversible decoder with the specified bitmap.

Parameters:

encodedBitmap -

Method Detail

decode

public abstract void decode()

Decodes the current bitmap, obtaining and storing the original payload and the original image. They can be obtained by calling Decoder.getPayload() and getRestoredBitmap(), respectively. BitSequence. Should execute only if it has not already been called.

Specified by:

decode in class Decoder

getRestoredBitmap

public Bitmap getRestoredBitmap()

Retrieves the restored bitmap, running the decode operation first if necessary.

Returns: