--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/demo/share/applets/NervousText/NervousText.java Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,206 @@
+/*
+ * Copyright (c) 1997, 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.
+ */
+
+/*
+ * This source code is provided to illustrate the usage of a given feature
+ * or technique and has been deliberately simplified. Additional steps
+ * required for a production-quality application, such as security checks,
+ * input validation and proper error handling, might not be present in
+ * this sample code.
+ */
+
+
+
+import java.awt.Graphics;
+import java.awt.Font;
+import java.applet.Applet;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+
+
+/**
+ * An applet that displays jittering text on the screen.
+ *
+ * @author Daniel Wyszynski 04/12/95
+ * @author 05/09/95 kwalrath Changed string; added thread suspension
+ * @author 02/06/98 madbot removed use of suspend and resume and cleaned up
+ */
+@SuppressWarnings("serial")
+public class NervousText extends Applet implements Runnable, MouseListener {
+
+ String banner; // The text to be displayed
+ char bannerChars[]; // The same text as an array of characters
+ char attributes[]; // Character attributes ('^' for superscript)
+ Thread runner = null; // The thread that is displaying the text
+ boolean threadSuspended; // True when thread suspended (via mouse click)
+ static final int REGULAR_WD = 15;
+ static final int REGULAR_HT = 36;
+ static final int SMALL_WD = 12;
+ static final int SMALL_HT = 24;
+ Font regularFont = new Font("Serif", Font.BOLD, REGULAR_HT);
+ Font smallFont = new Font("Serif", Font.BOLD, SMALL_HT);
+
+ @Override
+ public void init() {
+ banner = getParameter("text");
+ if (banner == null) {
+ banner = "HotJava";
+ }
+
+ int bannerLength = banner.length();
+ StringBuilder bc = new StringBuilder(bannerLength);
+ StringBuilder attrs = new StringBuilder(bannerLength);
+ int wd = 0;
+ for (int i = 0; i < bannerLength; i++) {
+ char c = banner.charAt(i);
+ char a = 0;
+ if (c == '^') {
+ i++;
+ if (i < bannerLength) {
+ c = banner.charAt(i);
+ a = '^';
+ wd += SMALL_WD - REGULAR_WD;
+ } else {
+ break;
+ }
+ }
+ bc.append(c);
+ attrs.append(a);
+ wd += REGULAR_WD;
+ }
+
+ bannerLength = bc.length();
+ bannerChars = new char[bannerLength];
+ attributes = new char[bannerLength];
+ bc.getChars(0, bannerLength, bannerChars, 0);
+ attrs.getChars(0, bannerLength, attributes, 0);
+
+ threadSuspended = false;
+ resize(wd + 10, 50);
+ addMouseListener(this);
+ }
+
+ @Override
+ public void destroy() {
+ removeMouseListener(this);
+ }
+
+ @Override
+ public void start() {
+ runner = new Thread(this);
+ runner.start();
+ }
+
+ @Override
+ public synchronized void stop() {
+ runner = null;
+ if (threadSuspended) {
+ threadSuspended = false;
+ notify();
+ }
+ }
+
+ @Override
+ public void run() {
+ Thread me = Thread.currentThread();
+ while (runner == me) {
+ try {
+ Thread.sleep(100);
+ synchronized (this) {
+ while (threadSuspended) {
+ wait();
+ }
+ }
+ } catch (InterruptedException e) {
+ }
+ repaint();
+ }
+ }
+
+ @Override
+ public void paint(Graphics g) {
+ int length = bannerChars.length;
+ for (int i = 0, x = 0; i < length; i++) {
+ int wd, ht;
+ if (attributes[i] == '^') {
+ wd = SMALL_WD;
+ ht = SMALL_HT;
+ g.setFont(smallFont);
+ } else {
+ wd = REGULAR_WD;
+ ht = REGULAR_HT;
+ g.setFont(regularFont);
+ }
+ int px = (int) (10 * Math.random() + x);
+ int py = (int) (10 * Math.random() + ht);
+ g.drawChars(bannerChars, i, 1, px, py);
+ x += wd;
+ }
+ }
+
+ @Override
+ public synchronized void mousePressed(MouseEvent e) {
+ e.consume();
+ threadSuspended = !threadSuspended;
+ if (!threadSuspended) {
+ notify();
+ }
+ }
+
+ @Override
+ public void mouseReleased(MouseEvent e) {
+ }
+
+ @Override
+ public void mouseEntered(MouseEvent e) {
+ }
+
+ @Override
+ public void mouseExited(MouseEvent e) {
+ }
+
+ @Override
+ public void mouseClicked(MouseEvent e) {
+ }
+
+ @Override
+ public String getAppletInfo() {
+ return "Title: NervousText\nAuthor: Daniel Wyszynski\n"
+ + "Displays a text banner that jitters.";
+ }
+
+ @Override
+ public String[][] getParameterInfo() {
+ String pinfo[][] = {
+ { "text", "string", "Text to display" }, };
+ return pinfo;
+ }
+}