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Ian Darwin's assorted Java stuff, assembled as an API.

There is a newer version: 1.8.0

package com.darwinsys.swingui;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.MediaTracker;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JWindow;

/** A simple Splash screen. */
public class Splash extends JWindow {

	private static final long serialVersionUID = 4371807444861948123L;
	protected ImageIcon im;

	public Splash(JFrame f, String progName, String fileName) {
		super();
		// Can't use Swing border on JWindow: not a JComponent.
		// setBorder(BorderFactory.createBevelBorder(BevelBorder.RAISED));
		im = new ImageIcon(fileName);
		if (im.getImageLoadStatus() != MediaTracker.COMPLETE)
			JOptionPane.showMessageDialog(f,
				"Warning: can't load image " + fileName + "\n" +
				"Please be sure you have installed " + progName + " correctly",
				"Warning",
				JOptionPane.WARNING_MESSAGE);
		int w = im.getIconWidth(), h = im.getIconHeight();
		setSize(w, h);
		UtilGUI.center(this);
		addMouseListener(new MouseAdapter() {
			public void mouseClicked(MouseEvent e) {
				dispose();
			}
		});
		addKeyListener(new KeyAdapter() {
			public void keyTyped(KeyEvent e) {
				dispose();
			}
		});
	}

	public void paint(Graphics g) {
		im.paintIcon(this, g, 0, 0);
		g.setColor(Color.green);
		g.drawRoundRect(0, 0, getWidth()-1, getHeight()-1, 7, 7);
	}
}