Basic HTML version of Foils prepared 13 October 97

Foil 25 Double Buffering to Reduce Flicker - II

From Java Tutorial, July 1, 1996 CSC499(JSU) CPS406/606 -- Fall Semester 97. by Nancy J. McCracken,Geoffrey C. Fox
In paint(), one will construct applet image in offscreenGraphics as opposed to the argument g of paint(). So one would see statements such as:
  • offscreenGraphics.drawImage(img,10,10,this);
Finally at end of paint(), one could transfer the off-screen image to g by
  • g.drawImage(offscreenImage,0,0,this);
One would also need to override the update() method by
public void update(Graphics g)
  • { paint(g);
  • }

© Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

If you have any comments about this server, send e-mail to webmaster@npac.syr.edu.

Page produced by wwwfoil on Wed Apr 1 1998