jjil.algorithm
Class GrayAdd

java.lang.Object
  jjil.algorithm.GrayAdd

All Implemented Interfaces:

Ladder.Join

public class GrayAdd
extends java.lang.Object
implements Ladder.Join

Adds two gray images. To be used as a join operation in a Ladder operation.

Author:

webb

Constructor Summary

GrayAdd()
Creates a new instance of GrayAdd

Method Summary

Image

doJoin(Image imageFirst, Image imageSecond) Adds two Gray8Image's.

Methods inherited from class java.lang.Object

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

Constructor Detail

GrayAdd

public GrayAdd()

Creates a new instance of GrayAdd

Method Detail

doJoin

public Image doJoin(Image imageFirst,
                    Image imageSecond)
             throws Error

Adds two Gray8Image's. Result is clamped between Byte.MIN_VALUE and Byte.MAX_VALUE. The first input image is replaced by the result.

Specified by:

doJoin in interface Ladder.Join

Parameters:

imageFirst - the first image (and output)

imageSecond - the second image

Returns:

the sum of the two byte images, replacing the first

Throws:

Error - if either image is not a gray 8-bit image, or they are of different sizes.