point.java

qrcode的java开源版本

/*
 * created: 2004/09/13
 */
package jp.sourceforge.qrcode.codec.geom;

import jp.sourceforge.qrcode.codec.util.QRCodeUtility;


public class Point{
	public static final int RIGHT = 1;
	public static final int BOTTOM = 2;
	public static final int LEFT = 4;
	public static final int TOP = 8;
	
	int x;
	int y;
	
	public Point() {
		x = 0;
		y = 0;
	}
	public Point(int x, int y) {
		this.x = x;
		this.y = y;
	}

	public int getX() {
		return x;
	}
	public int getY() {
		return y;
	}
	
	public void setX(int x) {
		this.x = x;
	}
	
	public void setY(int y) {
		this.y = y;
	}
	
	public void translate(int dx, int dy) {
		this.x += dx;
		this.y += dy;
	}
	
	public void set(int x, int y) {
		this.x = x;
		this.y = y;
	}
	
	public String toString() {
		return "(" + Integer.toString(x) + "," + Integer.toString(y) + ")";
	}

/*	public static Point getBarycenter(Point p1, Point p2, float ratio) {
		return new Point(
			(int)(p1.getX() + ( p2.getX() - p1.getX() ) * ratio),
			(int)(p1.getY() + ( p2.getY() - p1.getY() ) * ratio)
			);
	}*/
		

	public static Point getCenter(Point p1, Point p2) {
		return new Point((p1.getX() + p2.getX()) / 2, (p1.getY() + p2.getY()) / 2);
	}
	
	public boolean equals(Point compare) {
		if (x == compare.x && y == compare.y) 
			return true;
		else
			return false;
	}
	
	public int distanceOf(Point other) {
		int x2 = other.getX();
		int y2 = other.getY();
		return QRCodeUtility.sqrt((x - x2)*(x - x2) + (y - y2)*(y - y2));
	}
}