/*
* @(#)AnimatingSurface.java 1.9 05/11/17
*
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* -Redistribution of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* -Redistribution 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.
*
* Neither the name of Sun Microsystems, Inc. or the names of contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
* AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
* AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
* REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
* INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
* OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or intended
* for use in the design, construction, operation or maintenance of any
* nuclear facility.
*/
/*
* @(#)AnimatingSurface.java 1.9 05/11/17
*/
package java2d;
import java.awt.*;
/**
* Demos that animate extend this class.
*/
public abstract class AnimatingSurface extends Surface implements Runnable {
public Thread thread;
public abstract void step(int w, int h);
public abstract void reset(int newwidth, int newheight);
public void start() {
if (thread == null && !dontThread) {
thread = new Thread(this);
thread.setPriority(Thread.MIN_PRIORITY);
thread.setName(name + " Demo");
thread.start();
}
}
public synchronized void stop() {
if (thread != null) {
thread.interrupt();
}
thread = null;
notifyAll();
}
public void run() {
Thread me = Thread.currentThread();
while (thread == me && !isShowing() || getSize().width == 0) {
try {
thread.sleep(200);
} catch (InterruptedException e) { }
}
while (thread == me) {
repaint();
try {
thread.sleep(sleepAmount);
} catch (InterruptedException e) { }
}
thread = null;
}
}
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