Return a filled oval as an Icon : ImageIcon « 2D Graphics « Java Tutorial

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 Copyright (C) 1999-2009  Michael Klling and John Rosenberg 
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 modify it under the terms of the GNU General Public License 
 as published by the Free Software Foundation; either version 2 
 of the License, or (at your option) any later version. 
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 but WITHOUT ANY WARRANTY; without even the implied warranty of 
 GNU General Public License for more details. 
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 along with this program; if not, write to the Free Software 
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA. 
 This file is subject to the Classpath exception as provided in the  
 LICENSE.txt file that accompanied this code.

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

 * Return a filled oval as an Icon
 * @author  Andrew Patterson
 * @cvs     $Id: 6164 2009-02-19 18:11:32Z polle $
public class OvalIcon implements Icon
    private static OvalIcon redIcon = new OvalIcon(;
    private static OvalIcon blankIcon = new OvalIcon(null);

    public static OvalIcon getRedOvalIcon()
        return redIcon;        

    public static OvalIcon getBlankOvalIcon()
        return blankIcon;

    private Color color;

    public OvalIcon (Color c) {
       color = c;

    public void paintIcon (Component c, Graphics g, int x, int y)
  if(color != null) {
  int width = getIconWidth();
  int height = getIconHeight();
   g.setColor (color);
  g.fillOval (x, y, width, height);
public int getIconWidth() {
  return 10;
public int getIconHeight() { 
  return 10;

16.32.1.Load image to ImageIcon and add it to Panel
16.32.2.Load an Icon from a jar
16.32.3.Convert a non-RGB image to an RGB buffered image:
16.32.4.Return a filled oval as an Icon
16.32.5.Change JFrame image icon
16.32.6.A button which paints on it one or more scaled arrows in one of the cardinal directions
16.32.7.RGB Gray Filter