Toolkit.getImage() which works the same in either Applet or Application
/*
* 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.
*/
/*
* For Applet, invoke as:
* <applet code="GetImage" width="100" height="100">
* </applet>
* For Application, just run it (has own main).
*/
import java.awt.Graphics;
import java.awt.Image;
import java.net.URL;
import javax.swing.JApplet;
import javax.swing.JFrame;
/**
* This program, which can be an Applet or an Application, shows a form of
* Toolkit.getImage() which works the same in either Applet or Application!
*/
public class GetImage extends JApplet {
Image image;
public void init() {
loadImage();
}
public void loadImage() {
// Applet-only version:
// Image = getImage(getCodeBase(), "Duke.gif");
// Portable version: getClass().getResource() works in either
// applet or application, 1.1 or 1.3, returns URL for file name.
URL url = getClass().getResource("Duke.gif");
image = getToolkit().getImage(url);
// Shorter portable version: same but avoids temporary variables
// image = getToolkit().getImage(getClass().getResource("Duke.gif"));
}
public void paint(Graphics g) {
g.drawImage(image, 20, 20, this);
}
public static void main(String[] args) {
JFrame f = new JFrame("GetImage");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
GetImage myApplet = new GetImage();
f.getContentPane().add(myApplet);
myApplet.init();
f.setSize(100, 100);
f.setVisible(true);
myApplet.start();
}
}
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