Re: Re-drawing GtkDrawingArea surface on motion-notify-event

[Marcin Kolny <marcin kolny gmail com>]

Thanks everyone,
I'll try all the suggested solutions and pick best that works for me.

2017-03-21 11:20 GMT+00:00 Joël Krähemann <jkraehemann gmail com>:

> Hi
>
> If you do it using cairo you might be interested in the following function.
>
> cairo_image_surface_get_data()
>
> You get the pixels stored in your picture. It can be restored using
> memcpy()
> what is actually quiet fast.
>
> Bests,
> Joël
>
>
> On Tue, Mar 21, 2017 at 8:26 AM, F.Reiter <franz reiter cadcam co at>
> wrote:
> > Hallo,
> > for lightning-fast, xor, rubberbanding, zooming, clipping ..
> > why not consider Open-GL ?
> > Franz
> > (https://github.com/gcad3d/gcad3d)
> >
> > _______________________________________________
> > gtk-app-devel-list mailing list
> > gtk-app-devel-list gnome org
> > https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list



-- 
Pozdrawiam
Marcin Kolny