Question about alpha blending and low level drawing on widgets
Christopher T King
squirrel at WPI.EDU
Tue Jun 29 00:42:26 CEST 2004
On Mon, 28 Jun 2004, Gabriele Farina *DarkBard* wrote:
> 2) Use TK Canvas, but I think it does not understand alpha (am I right??) ..
The Tk Canvas doesn't understand alpha per se, but it does allow you to
stipple objects -- i.e. fill in only a certain percentage of points in the
object. You only get a few different stippling levels (10, 25, 50, 75, and
90%, I think) and it's not true alpha blending, but it looks decent and
may satisfy your needs. This will be the easiest option by far, since Tk
is multiplatform and has a very powerful Canvas widget.
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