[PyQt] QGraphicsScene/Item/View optimisation

[Frédéric]

Le 5/2/2009, "Grissiom" <chaos.proton at gmail.com> a écrit:

> I think you may try some CacheFlag or OptimizationFlag in QGraphicsView, see:
>
>http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qgraphicsview.html#CacheModeFlag-enum
>http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qgraphicsview.html#OptimizationFlag-enum

I tried these flags, but they didnt change anything :o(

I attached a short example to show my problem. As soon as the crosshair
starts to move, the CPU goes to 100%!

Any idea to improve that code?

--
   Frédéric
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