Retrieves the source pixbuf, or NULL if none is set.
In addition, if a filename source is in use, this
function in some cases will return the pixbuf from
loaded from the filename. This is, for example, true
for the GtkIconSource passed to the gtk.Stylerender_icon()
virtual function. The reference count on the pixbuf is
not incremented.
Retrieves the source pixbuf, or NULL if none is set. In addition, if a filename source is in use, this function in some cases will return the pixbuf from loaded from the filename. This is, for example, true for the GtkIconSource passed to the gtk.Style render_icon() virtual function. The reference count on the pixbuf is not incremented.