1  import java.awt.*;

  2  import java.awt.geom.*;

  3  

  4  /**

  5     A house shape.

  6  */

  7  public class HouseShape extends SelectableShape

  8  {

  9     /**

 10        Constructs a house shape.

 11        @param x the left of the bounding rectangle

 12        @param y the top of the bounding rectangle

 13        @param width the width of the bounding rectangle

 14     */

 15     public HouseShape(int x, int y, int width)

 16     {

 17        this.x = x;

 18        this.y = y;

 19        this.width = width;

 20     }

 21  

 22     public void draw(Graphics2D g2)

 23     {

 24        Rectangle2D.Double base 

 25           = new Rectangle2D.Double(x, y + width, width, width);

 26  

 27        // The left bottom of the roof

 28        Point2D.Double r1

 29           = new Point2D.Double(x, y + width);

 30        // The top of the roof

 31        Point2D.Double r2

 32           = new Point2D.Double(x + width / 2, y);

 33        // The right bottom of the roof

 34        Point2D.Double r3

 35           = new Point2D.Double(x + width, y + width);

 36  

 37        Line2D.Double roofLeft

 38           = new Line2D.Double(r1, r2);

 39        Line2D.Double roofRight

 40           = new Line2D.Double(r2, r3);

 41  

 42        g2.draw(base);

 43        g2.draw(roofLeft);

 44        g2.draw(roofRight);

 45     }

 46     

 47     public void drawSelection(Graphics2D g2)

 48     {

 49        Rectangle2D.Double base 

 50           = new Rectangle2D.Double(x, y + width, width, width);

 51        g2.fill(base);

 52     }

 53  

 54     public boolean contains(Point2D p)

 55     {

 56        return x <= p.getX() && p.getX() <= x + width 

 57           && y <= p.getY() && p.getY() <= y + 2 * width;

 58     }

 59  

 60     public void translate(int dx, int dy)

 61     {

 62        x += dx;

 63        y += dy;

 64     }

 65  

 66     private int x;

 67     private int y;

 68     private int width;

 69  }