[Nautilus-list] Re: Speedier selection for Nautilus

[Anders Carlsson <andersca gnu org>]

On Thu, 2001-11-08 at 21:44, Darin Adler wrote:
> on 11/8/01 11:52 AM, Anders Carlsson at andersca gnu org wrote:
> 
> > Actually, because of the way the canvas is designed, it'll still need to
> > redraw the icons anyway so you wouldn't gain much I think. Besides, it
> > looks much cooler :)
> 
> But one optimization, which was in EelCanvasRect for 1.0, is to only draw
> the parts that are changing, not the entire rectangle. The GnomeCanvasRect
> in 1.0 wasn't smart enough to know that if you get wider, you only have to
> draw the new part.
> 
> I think those smarts should be added to GnomeCanvasRect itself for
> libgnomecanvas. But the code has changed enough hat it's not just a simple
> matter of rolling in the EelCanvasRect code. Anders, is there a chance that
> you can you look into this?
> 

OK, it looks like GnomeCanvasRE now inherits from GnomeCanvasShape which
is basically just an SVP in the aa case. I'm not sure how this
optimization could be possible using an SVP. Perhaps this is a
raph-issue :)

//andersca
andersca gnu org