/*
 * @(#)Blink.java	1.3 96/12/06
 *
 * Copyright (c) 1994-1996 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
 * modify and redistribute this software in source and binary code form,
 * provided that i) this copyright notice and license appear on all copies of
 * the software; and ii) Licensee does not utilize the software in a manner
 * which is disparaging to Sun.
 *
 * 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 SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
 * OR DISTRIBUTING 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.
 *
 * This software is not designed or intended for use in on-line control of
 * aircraft, air traffic, aircraft navigation or aircraft communications; or in
 * the design, construction, operation or maintenance of any nuclear
 * facility. Licensee represents and warrants that it will not use or
 * redistribute the Software for such purposes.
 */

import java.awt.*;
import java.util.StringTokenizer;

/**
 * I love blinking things.
 *
 * @author Arthur van Hoff
 * @modified 96/04/24 Jim Hagen : use getBackground
 */
public class Blink extends java.applet.Applet implements Runnable {
........Thread blinker;
........String lbl;
........Font font;
........int speed;

........public void init() {
................font = new java.awt.Font("TimesRoman", Font.PLAIN, 24);
................String att = getParameter("speed");
................speed = (att == null) ? 400 : (1000 / Integer.valueOf(att).intValue());
................att = getParameter("lbl");
................lbl = (att == null) ? "Blink" : att;
........}

........public void paint(Graphics g) {
................int x = 0, y = font.getSize(), space;
................int red = (int)(Math.random() * 50);
................int green = (int)(Math.random() * 50);
................int blue = (int)(Math.random() * 256);
................Dimension d = size();

................g.setColor(Color.black);
................g.setFont(font);
................FontMetrics fm = g.getFontMetrics();
................space = fm.stringWidth(" ");
................for (StringTokenizer t = new StringTokenizer(lbl) ; t.hasMoreTokens() ; ) {
........................String word = t.nextToken();
........................int w = fm.stringWidth(word) + space;
........................if (x + w > d.width) {
................................x = 0;
................................y += font.getSize();
........................}
........................if (Math.random() < 0.5) {
................................g.setColor(new java.awt.Color((red + y * 30) % 256, (green + x / 3) % 256, blue));
........................} 
........................else {
................................g.setColor(getBackground());
........................}
........................g.drawString(word, x, y);
........................x += w;
................}
........}

........public void start() {
................blinker = new Thread(this);
................blinker.start();
........}
........public void stop() {
................blinker.stop();
........}
........public void run() {
................while (true) {
........................try {
................................Thread.currentThread().sleep(speed);
........................} 
........................catch (InterruptedException e){
........................}
........................repaint();
................}
........}
}