Am Montag, 15. Oktober 2007 12:03:35 schrieb Stefan Schimanski:
> > This is really bizarre in that, even when the cache is disabled, we
> > still uses a backing QPixmap. What you are saying means that
> > painting a QPixmap onto the screen does not render the same as
> > painting it onto another QPixmap... weird isn't it?
>
> Well, maybe not so wired. Just a guess: the backing pixmap is not
> transparent. The cache uses transparent pixmaps and as I wrote in the
> last posting, I think this makes a difference.
Another guess: QPainter has the ability to take two constructor args - the
QPixmap it should paint to and a QWidget it takes the settings from, for
later bitblt'ing. Maybe that is used only for the working version.
(Just for the records: The second rendering indeed looks much better here.)
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Ciao, / /
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/ / ANS
