rhino1.7.7.examples.NervousText.js Maven / Gradle / Ivy

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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically embedded into Java applications to provide scripting to end users.

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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

// The Java "NervousText" example ported to JavaScript.
// Compile using java org.mozilla.javascript.tools.jsc.Main -extends java.applet.Applet -implements java.lang.Runnable NervousText.js
/*
Adapted from Java code by
    Daniel Wyszynski
    Center for Applied Large-Scale Computing (CALC)
    04-12-95

    Test of text animation.

    kwalrath: Changed string; added thread suspension. 5-9-95
*/
var Font = java.awt.Font;
var Thread = java.lang.Thread;
var separated;
var s = null;
var killme = null;
var i;
var x_coord = 0, y_coord = 0;
var num;
var speed=35;
var counter =0;
var threadSuspended = false; //added by kwalrath

function init() {
        this.resize(150,50);
        this.setFont(new Font("TimesRoman",Font.BOLD,36));
        s = this.getParameter("text");
        if (s == null) {
            s = "Rhino";
        }
        separated = s.split('');
}

function start() {
        if(killme == null)
        {
        killme = new java.lang.Thread(java.lang.Runnable(this));
        killme.start();
        }
}

function stop() {
        killme = null;
}

function run() {
        while (killme != null) {
        try {Thread.sleep(100);} catch (e){}
            this.repaint();
        }
        killme = null;
}

function paint(g) {
        for(i=0;i