mediatracker.java

来自「java技术内幕源代码,配合书籍看有事半功倍的效果」· Java 代码 · 共 32 行

import java.awt.*;
import java.applet.*;

/*
  <APPLET
      CODE=mediatracker.class
      WIDTH=600
      HEIGHT=150 >
  </APPLET>
*/

public class mediatracker extends Applet 
{
    Image image;

    public void init() 
    {
        MediaTracker tracker = new MediaTracker(this);
        image = getImage(getDocumentBase(), "image.jpg");
        tracker.addImage(image, 0);
        try {
            tracker.waitForAll();
        }
        catch (InterruptedException ex) { }
  }

    public void paint(Graphics g) 
    {
        g.drawImage(image, 10, 10, this);
    }
}