1  import java.awt.*;

  2  import java.awt.geom.*;

  3  import javax.swing.*;

  4  

  5  /**

  6     An icon that has the shape of the planet Mars.

  7  */

  8  public class MarsIcon implements Icon

  9  {

 10     /**

 11        Constructs a Mars icon of a given size.

 12        @param aSize the size of the icon

 13     */

 14     public MarsIcon(int aSize)

 15     {

 16        size = aSize;

 17     }

 18  

 19     public int getIconWidth()

 20     {

 21        return size;

 22     }

 23  

 24     public int getIconHeight()

 25     {

 26        return size;

 27     }

 28  

 29     public void paintIcon(Component c, Graphics g, int x, int y)

 30     {

 31        Graphics2D g2 = (Graphics2D) g;

 32        Ellipse2D.Double planet = new Ellipse2D.Double(x, y,

 33              size, size);

 34        g2.setColor(Color.RED);

 35        g2.fill(planet);

 36     }

 37  

 38     private int size;

 39  }