FillTest.java

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

/**
 * @version 1.33 2007-04-14
 * @author Cay Horstmann
 */
public class FillTest
{
   public static void main(String[] args)
   {
      EventQueue.invokeLater(new Runnable()
         {
            public void run()
            {
               FillFrame frame = new FillFrame();
               frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
               frame.setVisible(true);
            }
         });
   }
}

/**
 * A frame that contains a component with drawings
 */
class FillFrame extends JFrame
{
   public FillFrame()
   {
      setTitle("FillTest");
      setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);

      // add component to frame

      FillComponent component = new FillComponent();
      add(component);
   }

   public static final int DEFAULT_WIDTH = 400;
   public static final int DEFAULT_HEIGHT = 400;
}

/**
 * A component that displays filled rectangles and ellipses
 */
class FillComponent extends JComponent
{
   public void paintComponent(Graphics g)
   {
      Graphics2D g2 = (Graphics2D) g;

      // draw a rectangle

      double leftX = 100;
      double topY = 100;
      double width = 200;
      double height = 150;

      Rectangle2D rect = new Rectangle2D.Double(leftX, topY, width, height);
      g2.setPaint(Color.RED);
      g2.fill(rect);

      // draw the enclosed ellipse

      Ellipse2D ellipse = new Ellipse2D.Double();
      ellipse.setFrame(rect);
      g2.setPaint(new Color(0, 128, 128)); // a dull blue-green
      g2.fill(ellipse);
   }
}