Hi,

  I don't think using JApplet won't help you much.
  The only reason I think it may make a difference is that
  JApplets in 6u10 disable the clearing of the background on
  resize.

  I would suggest not to do multi-threaded rendering, it's
  generally a bad idea. You don't get any advantage from
  doing so, but the rendering code will be too complicated.

  One thing you should do when using BS is disable
  repaints (setIgnoreRepaint()) - it may help.

  Thanks,
    Dmitri


[EMAIL PROTECTED] wrote:
Hi Dmitri,

Well I have been quite happy to use an Applet but I found that it's very 
problematic to avoid flickering on resizing when there are more than one 
rendering threads.  I have one thread which is responsible for rendering the 
basic layout of the screen and another which renders an animation.  I am 
struggling a bit with resizing seemingly causing the back buffer to be cleared 
but only when both threads have a different Graphics object for the draw 
graphics.

Anyway, this isn't happening in my JFrame implementation of the same program so 
I figured that perhaps if I change over to using JApplet and JPanel instead of 
Applet and Canvas then maybe the problem would go away.

I have now managed to minimize the flickering by doing a full re-render when a 
resize is detected and the second thread is active.  There is still a small 
degree of flickering but it is probably acceptable and as good as it is going 
to get :-)


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