Screen Flicker on WindowShape Change
sanke at hrz.uni-kassel.de
Sun Nov 2 04:36:43 CST 2003
On Sat, 1 Nov 2003 , Igor Couto <igor at pixelmedia.com.au> wrote:
> Dear Jacqueline,
> Thank you for the info!
> On 01/11/2003, at 2:04 PM, J. Landman Gay wrote:
> >> When I change the windowShape of a stack (from using one image to
> >> another as a shape mask), regardless of whether I 'lock screen', I
> >> always get a bad screen flicker.
> > It can't be avoided. The OS draws the window, and the old window has
> > to be erased.
> Damn! I should have realised that...
> Nevertheless, I seem to remember someone mentioning a trick which
> involved taking a screen shot, and making screen transitions between
> screen shots somehow... Does anyone remember what that was in regards
> to, and whether that would work in this context?
> Many, many thank,
> Igor de Oliveira Couto
I get tolerable results here on my Windows computer, i.e. the flicker is
at least minmized when I first set the backpattern of the card to the
image and after that the windowshape:
set the backpattern of this cd to 1003
set the windowshape of this stack to 1003
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