[Kde-games-devel] kreversi_rewrite is almost finished...

Paolo Capriotti p.capriotti at gmail.com
Thu Sep 7 03:27:52 CEST 2006


On 9/6/06, Mauricio Piacentini <mauricio at tabuleiro.com> wrote:
> > And it is: kreversi is using QGraphicsView framework.
> 
> And how is it working out for you? I understand the graphic requirements
> are not heavy, so it is probably ok.
> 
> In KGoldrunner we could not get acceptable (and linear) performance yet,
> and I can see the Qt4.2 release coming closer and this is still not
> fixed. Hopefully our feedback on qt4-preview will be considered.
> 
> While we wait for a resolution, I put my plans of porting KMahjongg
> drawing to QGV on hold. I am going to wait one or two weeks (or Qt4.2
> final), and if this performance issue is not addressed I will probably
> use QPainter directly for both KMahjongg and KGoldrunner.

Please consider the lightweight canvas widget by Maurizio Monge: it is halfway between using a raw QPainter and the unneeded complexity of QGV. He wrote about it some weeks ago in this very mailing list.
We (Maurizio and I) are using it for the chess interface KBoard (http://kboard.sourceforge.net) with great satisfaction. It is fast (unless you need to manage millions of sprites, but that's not the case, I suppose), easy to use and stable (KBoard is quite a stress test for it, and we haven't found bugs for months).
You can read more about it and download it here: http://kboard.sourceforge.net/wiki/index.php/Canvas

Regards,

Paolo


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