REDRAW question
Thant Tessman
thant at horus.sgi.com
Tue Nov 28 04:46:36 AEST 1989
In article <21289 at uflorida.cis.ufl.EDU>, pff at beach.cis.ufl.edu (Pablo
Fernicola) writes:
> In a program that I am working on, whenever the window gets redrawn the
> ghosts of the previous border stays inside the window.
>
> In that window I make use of writemask, but I thought that using it wouldn't
> have any effects on a clear() instruction. Am I right?
'clear()' uses the current writemask. Try:
case REDRAW:
tmp = getwritemask();
writemask(0xfff) /* or RGBwritemask(0xffffffff) */
color(whatever); clear();
writemask(tmp);
...
Have fun,
thant
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