Re: Alpha blending in Gtk

[Paul Pogonyshev <pogonyshev gmx net>]

Dinesh Nadarajah wrote:
> Hi All:
>
> I guess this question comes up often but I could not find any such of
> the mailing list. Does Gtk currently support Alpha blending? I am not
> talking of shape masking for transparency but true alpha rendering. 
>
> What are the current developer's thniking on how best to achieve this
> in Gtk? A rough outline of the process to follow.

You are looking for GdkPixbuf.  With it you can do full-scale alpha blending.
Pixbuf's contents can be loaded from file or built at runtime.  Unfortunately,
pixbufs are quite slow, but this seems to be a problem with X, not with
GTK/GDK.

Paul