Re: refresh bug in the canvas

[Jody Goldberg <jody gnome org>]

On Mon, May 19, 2003 at 08:52:19PM +0200, Bruno Coudoin wrote:
> 
> 
> Does that means also that it doesn't need gnome. 
It only depends on gtk.

> Going that path, I could port gcompris to gtk since I use only the
> canvas, and provide a windows version ?

gnome-canvas' requirements are also only basic gtk + libart, nothing
in the bonobo/gnome layers.  So that is not really a deciding
factor.

> Le lun 19/05/2003 ? 19:12, Alexander Larsson a ?crit :
> > On Mon, 2003-05-19 at 15:01, Bruno Coudoin wrote:
> > > I am the author of gcompris and I suffer badly from a refresh bug in the
> > > canvas.
> > > http://bugzilla.gnome.org/show_bug.cgi?id=91583
> > > I checked the CVS today and it's still there.
> > > 
> > > The easiest way to show evidence of the bug is the fifteen game demo in
> > > libgnomecanvas/demos/canvas_demo the pieces are not refreshed after the
> > > move (you move the window out of the desktop area and bring it back and
> > > you see the moved items)
> > > 
> > > We added a bunch of gnome_canvas_update in gcompris as a workaround and
> > > it's better now.
> > > 
> > > I don't know if gcompris is the only app to suffer this but my users are
> > > disapointed :(
> > > 
> > > Do you know if somebody familiar with the libgnomecanvas code is aware
> > > or working on this ? If not, where should I look ?
> > 
> > If you don't use the anti-aliased mode of the canvas you might want to
> > try out the foocanvas module. It has a simplified non-aa canvas that
> > performs better, redraws bettter and integrates better with gtk2.
> > Applications like nautilus and gnumeric use it.