package Shapes;

/**
 * Demo file, it may not be correct and/or complete.
 * Please watch the corresponding lecture(s) for more explanations.
 *
 * @author ashesh
 * @version 1.0
 */
public class Rectangle extends Shape {
	protected double width, height;

	/**
	 * No-arg constructor for Rectangle
	 */
	public Rectangle() {
		width = 1.0;
		height = 1.0;
		count_shapes++;
	}

	/**
	 * 2-arg constructor for Rectangle
	 * @param w width
	 * @param h height
	 */
	public Rectangle(double w, double h) {
		this.width = w;
		this.height = h;
		count_shapes++;
	}

	/**
	 * The method calculates area of the rectangle;
	 * @return double area of the rectangle
	 */
	public double area() {
		return width * height;
	}

	/**
	 * The method calculates circumference of the rectangle;
	 * @return double circumference of the rectangle
	 */
	public double circumference() {
		return 2 * (width + height);
	}

	/**
	 * The method returns width of the rectangle;
	 * @return width of the rectangle
	 */
	public double getWidth() {
		return width;
	}

	/**
	 * The method sets width of the rectangle;
	 * @param width new width to set
	 * @return void
	 */
	public void setWidth(double width) {
		this.width = width;
	}

	/**
	 * The method returns height of the rectangle;
	 * @return height of the rectangle
	 */
	public double getHeight() {
		return height;
	}

	/**
	 * The method sets height of the rectangle;
	 * @param height
	 */
	public void setHeight(double height) {
		this.height = height;
	}

	@Override
	public boolean equals(Object obj) {
		if (obj == null) {
			return false;
		}
		if (this.getClass() != obj.getClass()) {
			return false;
		}
		Rectangle other = (Rectangle) obj;
		return other.width == this.width && other.height == this.height;
	}
}