code: //==============================================================================
  //	
  //	Copyright (c) 2002-
  //	Authors:
  //	* Dave Parker <david.parker@comlab.ox.ac.uk> (University of Oxford, formerly University of Birmingham)
  //	
  //------------------------------------------------------------------------------
  //	
  //	This file is part of PRISM.
  //	
  //	PRISM is free software; you can redistribute it and/or 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.
  //	
  //	PRISM is distributed in the hope that it will be useful,
  //	but WITHOUT ANY WARRANTY; without even the implied warranty of
  //	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  //	GNU General Public License for more details.
  //	
  //	You should have received a copy of the GNU General Public License
  //	along with PRISM; if not, write to the Free Software Foundation,
  //	Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  //	
  //==============================================================================
  
  package userinterface;
  import java.awt.*;
  import prism.*;
  import java.net.URL;
  
  public class GUIPrismSplash extends Frame 
  {
  	private String filename;
  	private MediaTracker mt;
  	private Image image;
  	
  	public GUIPrismSplash(String filename) 
  	{
  		this.filename = filename;
  	}
  	
  	public void display() 
  	{
  		mt = new MediaTracker(this);
  		
  		URL imageURL = GUIPrismSplash.class.getClassLoader().getResource(filename);
  		if (imageURL == null) 
  		{
  			System.out.println("Warning: Failed to load icon file \"" + filename + "\"");
  		}
  		
  		
  		image = Toolkit.getDefaultToolkit().getImage(imageURL);
  		Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
  		Rectangle frame = getBounds();
  		setLocation((screen.width - frame.width)/2, (screen.height - frame.height)/2);
  		
  		mt.addImage(image, 0);
  		try 
  		{
  			mt.waitForID(0);
  		}
  		catch(InterruptedException ie) 
  		{
  			System.out.println("Error in media tracker");
  		}
  		
  		SplashWindow splashWindow = new SplashWindow(this,image);
  	}
  	
  	//Thanks to http://www.javapractices.com/Topic149.cjp for the SplashWindow class
  	private class SplashWindow extends Window 
  	{
  		SplashWindow(Frame aParent, Image aImage) 
  		{
  			super(aParent);
  			fImage = aImage;
  			setSize(fImage.getWidth(null), fImage.getHeight(null));
  			Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
  			Rectangle window = getBounds();
  			setLocation((screen.width - window.width) / 2, (screen.height - window.height) / 2);
  			setVisible(true);
  		}
  		public void paint(Graphics graphics) 
  		{
  			if (fImage != null) 
  			{
  				graphics.drawImage(fImage,0,0,this);
  				Font theFont = new Font ("monospaced", Font.BOLD, 10);
  				graphics.setFont(theFont);
  				int x = (int)(getBounds().width - theFont.getSize2D()*(Prism.getVersion().length()+1)*(5.0/8.0) - 10);
  				int y = (int)(getBounds().height - theFont.getSize2D() - 10);
  				graphics.drawString(Prism.getVersion() + " ", x, y);
  			}
  		}
  		private Image fImage;
  	}
  }
  