Re: porting gdk -> cairo

[Jean-Philippe Chancelier <jpc cermics enpc fr>]

    Allin> (in response to my query about drawing a resizable outline rectangle
    Allin> on top of an image displayed in a GTK window, using cairo instead of
    Allin> the GDK drawing API)

    I have a naive question about the port  gdk -> cairo. 
    Is the cairo port drawing supposed to be as fast as the 
    gdk cairo drawing ? I have an application which can perform
    graphics (graphs, surfaces) through cairo or gdk or gtkglext and 
    I have experienced that using cairo is really slower compared 
    to gdk. I would have liked to know is this is only a side effect of 
    my implementation or a general fact. 
    jpc