[Glade-users] Drawingarea and waveform

[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