1 /* 2  * To change this license header, choose License Headers in Project Properties. 3  * To change this template file, choose Tools | Templates 4  * and open the template in the editor. 5  */ 6 package newpackage; 7  8 import java.applet.Applet; 9 import java.awt.*;10 11 public class Text3DApplet extends Applet implements Runnable {12 13     Image image; //绘制文字的Image对象14     Graphics graphics; //绘制文字的Graphics对象15     Thread thread;  //显示三维文字线程16     int width,height; //显示宽度、高度17     String message; //显示信息18     int fontSize; //文字尺寸19     Font font; //字体20 21     public void init() {22         Dimension dim=getSize(); //得到Applet的尺寸23         width = dim.width; //得到宽度24         height = dim.height; //得到高度25         image = createImage(width, height); //得到Image实例26         graphics= image.getGraphics(); //得到Grahpics实例27         message = getParameter("text"); //从HTML文件中得到显示信息28         if (message == null) { //如果信息为空29             message="三维文字"; //设置默认信息30         }31         fontSize = 30; //设置字体大小32     }33     34 35     public void start() { 36         if (thread == null) {37             thread = new Thread(this);  //实例化线程38             thread.start(); //运行线程39         }40     }41 42     public void run() { //线程运行主体43         while (thread != null) {                44                 try {45                     Thread.sleep(50L); //线程休眠46                 } catch (InterruptedException ex) {47                 }48                 repaint(); //重绘屏幕49             }50     }51 52     public void update(Graphics g) {        53         font = new Font("TimesRoman", 1, fontSize); //得到字体实例54         graphics.setFont(font);  //设置显示字体55         int j = (int) (255 * Math.random()); //变量,用于生成渐变颜色56         int k = (int) (255 * Math.random());57         int l = (int) (255 * Math.random());58         try {59             Thread.sleep(2000); //线程休眠60         } catch (InterruptedException ex) {61         }62         graphics.setColor(Color.orange); //设置当前颜色63         graphics.fillRect(0, 0, width, height); //填充背景64         for (int i = 0; i < 6; i++) { //三维深度65             graphics.setColor( //设置渐变颜色66                 new Color(67                     255 - ((255 - j) * i) / 10,68                     255 - ((255 - k) * i) / 10,69                     255 - ((255 - l) * i) / 10));70             graphics.drawString(message, 15 - i, height - 15-i); //绘制字符串71         }72         g.drawImage(image, 0, 0, this); //绘制Image到屏幕73     }74 75     public void paint(Graphics g) {76         update(g);77     }78 }