Tobias Quinn wrote:
>
> Hi All,
>
> I'm having problems using a GtkPixmap to display the icon for an image in
> the Gnome panel. I have created a pixmap using Gimp which is transparent and
> wish to display this as the icon. The problem is that the icon never gets
> displayed with the proper transparency information (alpha channel). I've
> tried various things, the code I currently have is:
>
> red_im = GdkImlib.Image("red_sphere.png")
>
> red_im.render()
> pixmap, mask = red_im.get_pixmap()
> pix = gtk.GtkPixmap(pixmap, mask)
> pix.show()
>
> # when the pix is added to panel app, alpha information is not used...
>
> I'm using pygtk-0.6.6 and pygnome-*-1.0.53
Well, X doesn't support alpha channels (appart from the simple 1 bit
alpha, which is probably not what you want :)
The panel does client side compositing of the image with the background
image to achieve the alpha blending. I am not sure how to do this
easily from python / pygtk though.
James.
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