/*
*
* Copyright (c) 2007, 2011, Oracle and/or its affiliates. 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.
*
* - 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.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*/
package java2d;
/**
* Demos that animate extend this class.
*/
@SuppressWarnings("serial")
public abstract class AnimatingSurface extends Surface implements Runnable {
private volatile boolean running = false;
private volatile Thread thread;
public abstract void step(int w, int h);
public abstract void reset(int newwidth, int newheight);
public synchronized void start() {
if (!running() && !dontThread) {
thread = new Thread(this);
thread.setPriority(Thread.MIN_PRIORITY);
thread.setName(name + " Demo");
thread.start();
running = true;
}
}
public synchronized void stop() {
if (thread != null) {
running = false;
thread.interrupt();
}
thread = null;
notifyAll();
}
@Override
@SuppressWarnings("SleepWhileHoldingLock")
public void run() {
while (running() && !isShowing() || getSize().width == 0) {
try {
Thread.sleep(200);
} catch (InterruptedException ignored) {
}
}
while (running()) {
repaint();
try {
Thread.sleep(sleepAmount);
} catch (InterruptedException ignored) {
}
}
synchronized (this) {
running = false;
/**代码未完, 请加载全部代码(NowJava.com).**/