package org.jzy3d.maths;

import com.jogamp.nativewindow.util.Dimension;
import com.jogamp.nativewindow.util.Point;

/**
 * Replacement for java.awt.Rectangle
 * 
 * @author cmh
 * 
 */
public class Rectangle {

	public int x, y, width, height;

	public Rectangle(int x, int y, int width, int height) {
		this.x = x;
		this.y = y;
		this.width = width;
		this.height = height;
	}

	public Rectangle(int width, int height) {
		this.width = width;
		this.height = height;
	}

	public Rectangle(Dimension d) {
		this.width = d.getWidth();
		this.height = d.getHeight();
	}

	public Rectangle(Point p) {
		this.x = p.getX();
		this.y = p.getY();
	}

	public Rectangle(Point p, Dimension d) {
		this.x = p.getX();
		this.y = p.getY();
		this.width = d.getWidth();
		this.height = d.getHeight();
	}

	public Rectangle intersection(Rectangle r) {
		 int tx1 = this.x;
	        int ty1 = this.y;
	        int rx1 = r.x;
	        int ry1 = r.y;
	        long tx2 = tx1; tx2 += this.width;
	        long ty2 = ty1; ty2 += this.height;
	        long rx2 = rx1; rx2 += r.width;
	        long ry2 = ry1; ry2 += r.height;
	        if (tx1 < rx1) tx1 = rx1;
	        if (ty1 < ry1) ty1 = ry1;
	        if (tx2 > rx2) tx2 = rx2;
	        if (ty2 > ry2) ty2 = ry2;
	        tx2 -= tx1;
	        ty2 -= ty1;
	        // tx2,ty2 will never overflow (they will never be
	        // larger than the smallest of the two source w,h)
	        // they might underflow, though...
	        if (tx2 < Integer.MIN_VALUE) tx2 = Integer.MIN_VALUE;
	        if (ty2 < Integer.MIN_VALUE) ty2 = Integer.MIN_VALUE;
	        return new Rectangle(tx1, ty1, (int) tx2, (int) ty2);
	}

}