[Glade-users] Drawingarea and waveform

[tristan.van.berkom at gmail.com (Tristan Van Berkom)]

On Wed, Jul 22, 2009 at 12:25 PM, His Majesty<balakkvj at gmail.com> wrote:
> 2009/6/29 Tristan Van Berkom <tristan.van.berkom at gmail.com>
> > On Mon, Jun 29, 2009 at 11:47 AM, His Majesty<balakkvj at gmail.com> wrote:
> > > Hello people,
> > > ?????????????????? I am trying to put a waveform on the screen of a
> > > speech
> > > that is being recorded.
> > > Is the drawingarea an appropriate widget to use? I mean my main concern
> > > is
> > > that can it handle real-time speech (say of about 5-7 seconds sampled at
> > > 8KHz and 2 bytes per sample)?
> > >
> > > I have seen the working example of a clock .... however, I just want to
> > > make
> > > sure I am not barking the wrong tree.
> >
> > It depends on your requirements really, if all you want is a visual effect
> > then
> > you can do it in drawing area, but probably better off using clutter
> > for the drawing
> > than cairo (since you are probably aiming at speed, not nice
> > antialiasing).
>
> OK. I chose to use clutter and am getting right output. However, all my
> attempts to fit clutter in a drawingarea are in vain. It opens in a new
> window which is not my target. Any idea how I can link Gtk::DrawingArea and
> Clutter?
>
> I have tried looking on the web but did not result in any clear suggestion
> (as you normally do Tristan).

Im not sure where it is, or exactly what its called, but there *is* a
clutter embedding GTK+ widget, Im sure of that (Im even quite
sure people have embedded GTK+ widgets into clutter too).

So, you should just look for the right clutter embedding widget
and use that instead of drawing area.

Cheers,
          -Tristan