Java How to Program Fourth Edition - DCC

1080 Multimedia: Images, Animation, Audio and Video Chapter 18
19
20 // Java extension packages
21 import javax.swing.*;
22
23 public class LogoApplet extends JApplet {
24
25 // obtain parameters from HTML and customize applet
26 public void init()
27 {
28 String parameter;
29
30 // get animation delay from HTML document
31 parameter = getParameter( "animationdelay" );
32
33 int animationDelay = ( parameter == null ?
34 50 : Integer.parseInt( parameter ) );
35
36 // get base image name from HTML document
37 String imageName = getParameter( "imagename" );
38
39 // get total number of images from HTML document
40 parameter = getParameter( "totalimages" );
41
42 int totalImages = ( parameter == null ?
43 0 : Integer.parseInt( parameter ) );
44
45 // create instance of LogoAnimator
46 LogoAnimator2 animator;
47
48 if ( imageName == null || totalImages == 0 )
49 animator = new LogoAnimator2();
50 else
51 animator = new LogoAnimator2( totalImages,
52 animationDelay, imageName );
53
54 // attach animator to applet and start animation
55 getContentPane().add( animator );
56 animator.startAnimation();
57
58 } // end method init
59
60 } // end class LogoApplet
Fig. Fig. 18.4 18.4 Customizing an animation applet via the param HTML tag (part 2 of 2).