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package lab10;


import java.awt.*;
import java.awt.geom.*;
import javax.swing.*;

/**
   A component that draws a car shape.
*/
public class CarBean extends JComponent
{
   /**
      Constructs a default car bean.
   */
   public CarBean()
   {
      x = 0;
      y = 0;
      width = DEFAULT_CAR_WIDTH;
      height = DEFAULT_CAR_HEIGHT;
   }

   /**
      Sets the x property.
      @param newValue the new x position
   */
   public void setX(int newValue)
   {
      x = newValue;
      repaint();
   }

   /**
      Gets the x property.
      @return the x position
   */
   public int getX()
   {
      return x;
   }

   /**
      Sets the y property.
      @param newValue the new y position
   */
   public void setY(int newValue)
   {
      y = newValue;
      repaint();
   }

   /**
      Gets the y property.
      @return the y position
   */
   public int getY()
   {
      return y;
   }

   public void paintComponent(Graphics g)
   {
      Graphics2D g2 = (Graphics2D) g;
      Rectangle2D.Double body
         = new Rectangle2D.Double(x, y + height / 3,
            width - 1, height / 3);
      Ellipse2D.Double frontTire
         = new Ellipse2D.Double(x + width / 6,
            y + height * 2 / 3, height / 3, height / 3);
      Ellipse2D.Double rearTire
         = new Ellipse2D.Double(x + width * 2 / 3,
            y + height * 2 / 3, height / 3, height / 3);

      // The bottom of the front windshield
      Point2D.Double r1
         = new Point2D.Double(x + width / 6, y + height / 3);
      // The front of the roof
      Point2D.Double r2
         = new Point2D.Double(x + width / 3, y);
      // The rear of the roof
      Point2D.Double r3
         = new Point2D.Double(x + width * 2 / 3, y);
      // The bottom of the rear windshield
      Point2D.Double r4
         = new Point2D.Double(x + width * 5 / 6, y + height / 3);

      Line2D.Double frontWindshield
         = new Line2D.Double(r1, r2);
      Line2D.Double roofTop
         = new Line2D.Double(r2, r3);
      Line2D.Double rearWindshield
         = new Line2D.Double(r3, r4);

      g2.draw(body);
      g2.draw(frontTire);
      g2.draw(rearTire);
      g2.draw(frontWindshield);
      g2.draw(roofTop);
      g2.draw(rearWindshield);
   }

   public Dimension getPreferredSize()
   {
      return new Dimension(DEFAULT_PANEL_WIDTH,
         DEFAULT_PANEL_HEIGHT);
   }

   private int x;
   private int y;
   private int width;
   private int height;

   private static final int DEFAULT_CAR_WIDTH = 60;
   private static final int DEFAULT_CAR_HEIGHT = 30;
   private static final int DEFAULT_PANEL_WIDTH = 160;
   private static final int DEFAULT_PANEL_HEIGHT = 130;
}