import java.awt.*;
import java.awt.geom.*;

/**
   A house shape.
*/
public class HouseShape extends SelectableShape
{
   /**
      Constructs a house shape.
      @param x the left of the bounding rectangle
      @param y the top of the bounding rectangle
      @param width the width of the bounding rectangle
   */
   public HouseShape(int x, int y, int width)
   {
      this.x = x;
      this.y = y;
      this.width = width;
   }

   public void draw(Graphics2D g2)
   {
      Rectangle2D.Double base 
         = new Rectangle2D.Double(x, y + width, width, width);

      // The left bottom of the roof
      Point2D.Double r1
         = new Point2D.Double(x, y + width);
      // The top of the roof
      Point2D.Double r2
         = new Point2D.Double(x + width / 2, y);
      // The right bottom of the roof
      Point2D.Double r3
         = new Point2D.Double(x + width, y + width);

      Line2D.Double roofLeft
         = new Line2D.Double(r1, r2);
      Line2D.Double roofRight
         = new Line2D.Double(r2, r3);

      g2.draw(base);
      g2.draw(roofLeft);
      g2.draw(roofRight);
   }
   
   public void drawSelection(Graphics2D g2)
   {
      Rectangle2D.Double base 
         = new Rectangle2D.Double(x, y + width, width, width);
      g2.fill(base);
   }

   public boolean contains(Point2D p)
   {
      return x <= p.getX() && p.getX() <= x + width 
         && y <= p.getY() && p.getY() <= y + 2 * width;
   }

   public void translate(int dx, int dy)
   {
      x += dx;
      y += dy;
   }

   private int x;
   private int y;
   private int width;
}