package bluej.utility;

import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;

import javax.swing.Icon;




| Return a filled oval as an Icon
|
| @author  Andrew Patterson
|
public class OvalIcon
implements Icon{    
   private Color color;
   
   private static OvalIcon redIcon;
   
   private static OvalIcon blankIcon;

   
   public static OvalIcon getRedOvalIcon()
   {
      if (redIcon == null)
           
      redIcon = new OvalIcon(Color.red);
       
      return redIcon;             
      }

   
   public static OvalIcon getBlankOvalIcon()
   {
      if (blankIcon == null)
           
      blankIcon = new OvalIcon(null);
       
      return blankIcon;     
      }

   
   public OvalIcon(Color c)
   {        
      color = c;     
      }

   
   @Override
   
   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);         
         }     
      }
   
   @Override
   
   public int getIconWidth()
   {        
      return 10;     
      }
    
   
   @Override
   
   public int getIconHeight()
   {         
      return 10;     
      } 
   }