Transparent windows (with alpha channel)

Ozan Türkyılmaz ozan.turkyilmaz at
Thu Nov 4 05:23:42 CDT 2010

2010/11/4 Vassilis Virvilis <vasvir at>:
> On 03/11/2010 12:36 πμ, Vassilis Virvilis wrote:
> Aain thanks for the directions.
> The UpdateLayeredWindowIndirect implementation of wine only utilizes a
> global per window alpha value.
> After a little bit of research it looks like what I want is something called
> per-pixel alpha or per color alpha or blending with alpha channel.
> Does wine and/or X-Windows support something like this and if so where?
> My guess is in bitblit but any insightful comment is welcome.
>           .bill

As much as I know XRender or Compositing Window Manager can be used
for alpha blending.

Ozan, BSc, BEng

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