package ac.essex.ooechs.imaging.commons; 
 
import java.io.Serializable; 
 
/** 
 * 
 * <p> 
 * Represents a pixel, a coordinate pair and an optional value. 
 * </p> 
 * 
 * <p/> 
 * This program is free software; you can redistribute it and/or 
 * modify it under the terms of the GNU General Public License 
 * as published by the Free Software Foundation; either version 2 
 * of the License, or (at your option) any later version, 
 * provided that any use properly credits the author. 
 * This program is distributed in the hope that it will be useful, 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
 * GNU General Public License for more details at http://www.gnu.org 
 * </p> 
 * 
 * @author Olly Oechsle, University of Essex, Date: 07-Sep-2006 
 * @version 1.0 
 */ 
public class Pixel implements Serializable { 
 
    public int x; 
    public int y; 
    public int value; 
    public boolean flag; 
 
    public Pixel(int x, int y) { 
        this.x = x; 
        this.y = y; 
    } 
 
    public Pixel(int x, int y, int value) { 
        this.x = x; 
        this.y = y; 
        this.value = value; 
    } 
 
    public void move(int dX, int dY) { 
        this.x += dX; 
        this.y += dY; 
    } 
 
    public String toCSV() { 
        return x + "," + y + "," + value; 
    } 
 
 
    public boolean equals(Object o) { 
        if (this == o) return true; 
        if (o == null || getClass() != o.getClass()) return false; 
 
        Pixel pixel = (Pixel) o; 
 
        if (x != pixel.x) return false; 
        if (y != pixel.y) return false; 
 
        return true; 
    } 
 
    public int hashCode() { 
        int result; 
        result = x; 
        result = 31 * result + y; 
        return result; 
    } 
}