File	Doc	Category	Size	Date	Package
TrackImage.java	API Doc	Example	1118	Mon May 01 14:42:06 BST 2000	None

TrackImage

• java.lang.Object
  • java.awt.Component
    • java.awt.Container
      • java.awt.Panel
        • java.applet.Applet
          • javax.swing.JApplet

Fields Summary
final int	MAIN_IMAGE
Image	image
MediaTracker	tracker
boolean	loaded
Thread	thread
String	message

Constructors Summary

Methods Summary
public void	init() image = getImage(getClass( ).getResource(getParameter("image"))); tracker = new MediaTracker(this); tracker.addImage(image, MAIN_IMAGE);
public void	paint(java.awt.Graphics g) if (loaded) g.drawImage(image, 0, 0, this); else { g.drawRect(0, 0, getSize().width - 1, getSize( ).height - 1); g.drawString(message, 20, 20); }
public void	run() repaint( ); try { tracker.waitForID(MAIN_IMAGE); } catch(InterruptedException e) {} if (tracker.isErrorID(MAIN_IMAGE)) message = "Error"; else loaded = true; repaint( );
public void	start() if (!tracker.checkID(MAIN_IMAGE)) { thread = new Thread(this); thread.start( ); }
public void	stop() thread.interrupt( ); thread = null;