[pygtk] advice needed
pygtk-user at gbeckers.nl
Tue Dec 19 19:52:59 WST 2006
I am in the process of converting from tkinter to pygtk, and I need
advice on how to use a canvas for my application. I would be very
grateful if somebody could help me out.
I have series of spectrograms (image representations of sound)
available as 2-D numpy arrays. I want to show them on a canvas. What
would be the most efficient way of doing this? An example would be
So far I managed to do this using a gnomecanvas. I convert the array,
via a raw string, to a gtk.gdk.pixbuf, using
gtk.gdk.pixbuf_new_from_data(). I create a gtk.Image object, and add
the pixbuf with the set_from_pixbuf() method. The Image is then added
to the gnomecanvas.Canvas with the add() method. But how do I set x
and y? And is this the most efficient way?
Or should I use a gnomecanvas.CanvasPixbuf object instead of
gtk.Image? But I can't find how to add my pixbuf to such an object.
Thanks in advance,
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