Re: GtkImage changes

[Havoc Pennington <hp redhat com>]

Darin Adler <darin@eazel.com> writes: 
> I'm referring to the case where you want to temporarily change the image and
> then change it back; the need to save and then later restore. Perhaps this
> is not a common thing to want to do, as I said, but I find that this sort of
> thing does come up in many other contexts.
>

Hopefully in this case you'd use the same image format for both
(pixbuf both times for example), that seems sensible.
 
> I'm not talking about checking for NULL, I'm talking about checking the
> object, like this for something that can take a NULL or a valid pixmap.
> 
>     g_return_if_fail (pixmap == NULL || GDK_IS_PIXMAP (pixmap));
> 
> I thought this sort of checking was de rigeur in Gtk.
>

Oh, right. I just didn't think to do the check that way, I just
dropped the checks since I was accepting NULL. Will do.

Havoc