/**********************************************************
 Main class file: RectMaker.java
 This file:       Rectangle.java

 Author: CS302 Section 5
 Date:   9-26-03
**********************************************************/


/**
 * The Rectangle class represents a shape defined by
 * four Points. 
 */
class Rectangle {


	private Point topLeft;		// upper left corner
	private Point topRight;		// upper right corner
	private Point bottomLeft;	// lower left corner
	private Point bottomRight;	// lower right corner



	/**
	 * The constructor sets initial values for the Points.
	 * 	@param topL The upper left Point.
	 *	@param topR The upper right Point.
 	 * 	@param botL The lower left Point.
	 *	@param botR The lower right Point.
	 */
	public Rectangle(Point topL, Point topR, Point botL, Point botR) {

		topLeft = topL;
		topRight = topR;
		bottomLeft = botL;
		bottomRight = botR;
	}



	/**
	 * A second constructor makes this object share Points 
	 * with the one passed as a parameter.
	 *	@param otherRect The rectangle to copy.
	 */
	public Rectangle(Rectangle otherRect) {

	    this(otherRect.topLeft, otherRect.topRight, 
		    otherRect.bottomLeft, otherRect.bottomRight);

	}



	/**
	 * Accessor for the top left Point.
	 *	@return The upper left corner.
	 */
	public Point getTopLeft() {

		return topLeft;
	}



	/**
	 * Calculates the width of this Rectangle by calling
	 * some methods of its Point data members.
	 *	@return The width.
	 */
	public int getWidth() {

		return (topRight.getX() - topLeft.getX());
	}

	 

	/**
	 * Calculates the height of this Rectangle by calling
	 * some methods of its Point data members.
	 *	@return The height.
	 */
	public int getHeight() {

		return (bottomLeft.getY() – topLeft.getY());
	}



	/**
	 * Calculates the area of this Rectangle by calling
	 * some other methods in this class.
	 *	@return The area.
	 */
	public int getArea() {

		return (getWidth() * getHeight());
	}

}