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Java Source | 2002-09-06 | 2.9 KB | 96 lines |
- /*
- * Copyright (c) 2002 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:
- *
- * -Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * -Redistribution in binary form must reproduct 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 AND ITS LICENSORS SHALL NOT
- * BE LIABLE FOR ANY DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT
- * OF OR RELATING TO USE, MODIFICATION OR DISTRIBUTION OF THE 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 SOFTWARE, EVEN
- * IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that Software is not designed, licensed or intended for
- * use in the design, construction, operation or maintenance of any nuclear
- * facility.
- */
-
- /*
- * @(#)AnimatingSurface.java 1.5 02/06/13
- */
-
-
- 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;
- }
- }
-