A simple Splash screen
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun's Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import java.awt.Color;
import java.awt.*;
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 {
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);
}
}
class UtilGUI {
/** Centre a Window, Frame, JFrame, Dialog, etc. */
public static void centre(Window w) {
// After packing a Frame or Dialog, centre it on the screen.
Dimension us = w.getSize(), them = Toolkit.getDefaultToolkit()
.getScreenSize();
int newX = (them.width - us.width) / 2;
int newY = (them.height - us.height) / 2;
w.setLocation(newX, newY);
}
/**
* Center a Window, Frame, JFrame, Dialog, etc., but do it the American
* Spelling Way :-)
*/
public static void center(Window w) {
UtilGUI.centre(w);
}
/** Maximize a window, the hard way. */
public static void maximize(Window w) {
Dimension us = w.getSize(), them = Toolkit.getDefaultToolkit()
.getScreenSize();
w.setBounds(0, 0, them.width, them.height);
}
}
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