On Monday 06 October 2003 12:37, Chris Cannam wrote:
>
> Actually I don't really remember that... hm. It sounds difficult to
> do, since the canvas item on its own doesn't have access to enough
> information to draw itself (the staff uses a lot of context when
> drawing canvas items).
I remember we stored that context somewhere (basically the big fat data
structure which was passed to NotePixmapFactory).
> Otherwise, it's not quite the same. In my suggested scheme the
> QCanvasItems wouldn't exist at all until that area of canvas was
> scrolled over. Once created, they would be the same as they are now.
It would be faster than deferring the pixmap rendering, but would make things
considerably more complicated for the QCanvas I'm afraid...
--
Guillaume
http://www.telegraph-road.org
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