/** @version 1.31 2002-07-06 @author Cay Horstmann */ import java.awt.*; import java.awt.geom.*; import javax.swing.*; public class FillTest { public static void main(String[] args) { FillFrame frame = new FillFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.show(); } } /** A frame that contains a panel with drawings */ class FillFrame extends JFrame { public FillFrame() { setTitle("FillTest"); setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT); // add panel to frame FillPanel panel = new FillPanel(); Container contentPane = getContentPane(); contentPane.add(panel); } public static final int DEFAULT_WIDTH = 400; public static final int DEFAULT_HEIGHT = 400; } /** A panel that displays filled rectangles and ellipses */ class FillPanel extends JPanel { public void paintComponent(Graphics g) { super.paintComponent(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); } }