Re: Alpha-composition of two pixmaps

[Olexiy Avramchenko <olexiy ctech cn ua>]

Dmitry M. Shatrov wrote:

> Hello.
>
> As I know, XRender extension allows to compose two X drawables.
> Coldn't find a wrapper in GDK, though (except one 'non-public' 
> function in a CVS version,
> that draws a filled alpha blended rectangle). Is there any?
>
> And, if not, what is ther reason of complete Render support being not 
> here yet?

Hi
You can draw gdk-pixbuf with alpha-channel to any gdk drawable. Under X 
GDK *use* XRender for this. Look at "gdk/x11/gdkdrawable-x11.c" for details.
I dont know about complete XRender support in X11 GDK backend, but you 
always can code all you need with foreign pixmaps.

   Olexiy