/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

package com.nokia.mj.impl.uitestutils;

/**

 * Simple rect container

 * @author sampkaar

 *

 */

public class Rect {

	private int x;

	private int y;

	private int width;

	private int height;

	public Rect(int x, int y, int width, int height) {

		this.x = x;

		this.y = y;

		this.width = width;

		this.height = height;

	}

	public int x() {

		return this.x;

	}

	public int y() {

		return this.y;

	}

	public int width() {

		return this.width;

	}

	public int height() {

		return this.height;

	}

	public Rect intersection(Rect aRect){

		if( aRect.x < this.x && aRect.x+aRect.width < this.x ||

            aRect.x > this.x+this.width && aRect.x+aRect.width > this.x+this.width)

        { // no intersection

        	return new Rect(0,0,0,0);

        } 

        if( aRect.y < this.y && aRect.y+aRect.height < this.y ||

            aRect.y > this.y+this.height && aRect.y+aRect.height > this.y+this.height)

        { // no intersection

            return new Rect(0,0,0,0);

        }

        int x = 0;

        int y = 0;

        int w = 0;

        int h = 0;

        if(aRect.x < this.x)

        {

        	x = this.x;

        	if (this.x + this.width < aRect.x + aRect.width)

        	{

        		w = this.width;

        	}else

        	{

        		w = aRect.x + aRect.width - this.x;        		

        	}

        } else

        { // aRect.x >= this.x

        	x = aRect.x;        	

        	if (aRect.x + aRect.width < this.x + this.width)

        	{

        		w = aRect.width;

        	}else

        	{

        		w = this.x + this.width - aRect.x;

        	}

        }

        if(aRect.y < this.y)

        {

        	y = this.y;

        	if (this.y + this.height < aRect.y + aRect.height)

        	{

        		h = this.height;

        	}else

        	{

        		h = aRect.y + aRect.height - this.y;

        	}

        } else

        { // aRect.y >= this.y

        	y = aRect.y;        	

        	if (aRect.y + aRect.height < this.y + this.height)

        	{

        		h = aRect.height;

        	}else

        	{

        		h = this.y + this.height - aRect.y;        		

        	}

        }

		return new Rect(x, y, w, h);

	}

}