[9141] in The GTK GIMP ToolKit mailing list archive
[gtk-list] Transparent pixmaps...
daemon@ATHENA.MIT.EDU (Stephan Krings)
Fri Oct 9 20:30:17 1998
Date: Sat, 10 Oct 1998 02:30:44 +0200 (CEST)
From: Stephan Krings <slothkri@zedat.fu-berlin.de>
To: gtk-list@redhat.com
Resent-From: gtk-list@redhat.com
Reply-To: gtk-list@redhat.com
Hello out there,
I'm just starting to use Gtk/Gdk, so please be patient...
What I'd like to know is how do I create a transparent offscreen
pixmap. Loading pixmaps from files or data with transparency works
fine, but I'd like to create an offscreen pixmap (using
gdk_pixmap_new), draw into it (works fine to), and later overlay it
upon another pixmap (possibly using gdk_draw_pixmap). This doesn't
work for me, unfortunatly. The underlying pixmap is totally obscured
by the pixmap I'd like to put upon it.
I also tried using a clip mask with little success.
So any hints, or even better some code snipsets for me?
Best regards and thanks in advance,
Stephan
--
Stephan Krings Freie Universitaet Berlin
AG Kommunikationsserver Zentraleinrichtung fuer Datenverarbeitung (ZEDAT)
slothkri@zedat.fu-berlin.de Fabeckstr. 32
Tel: +49 30 838 3239 14195 Berlin
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