Re: Why is Qtopia much faster?

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From: Lorn Potter
Date: Tuesday, July 22, 2008 - 2:10 am

Tilman Baumann wrote:

There is no portability factor. Only which toolkit is available.

As one of our engineers here said on our internal discussion (and goes 
back to rasters comment):

"One of the neat advantages of Qtopia on Qt for Embedded Linux is that 
there is little penalty in converting back and forth between a QImage 
and QPixmap so we have used this extensively which makes quite a few 
things much easier and more possible than if things are based on X11 
where these conversions are expensive and you then need to put a bit 
more thought in to it. "



-- 
Lorn 'ljp' Potter
Software Engineer, Systems Group, Trolltech, a Nokia company

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Messages in current thread:
Why is Qtopia much faster?, Yorick Moko, (Mon Jul 21, 4:11 am)
Re: Why is Qtopia much faster?, Ben Wilson, (Mon Jul 21, 4:31 am)
Re: Why is Qtopia much faster?, Tilman Baumann, (Mon Jul 21, 4:58 am)
Re: Why is Qtopia much faster?, Lorn Potter, (Mon Jul 21, 11:08 am)
Re: Why is Qtopia much faster?, Carsten Haitzler, (Mon Jul 21, 11:52 am)
Re: Why is Qtopia much faster?, Tilman Baumann, (Mon Jul 21, 4:38 pm)
Re: Why is Qtopia much faster?, Lorn Potter, (Mon Jul 21, 5:38 pm)
Re: Why is Qtopia much faster?, Tilman Baumann, (Tue Jul 22, 1:58 am)
Re: Why is Qtopia much faster?, Lorn Potter, (Tue Jul 22, 2:10 am)
Re: Why is Qtopia much faster?, Tilman Baumann, (Tue Jul 22, 2:38 am)
Re: Why is Qtopia much faster?, Carsten Haitzler, (Tue Jul 22, 6:33 am)
Re: Why is Qtopia much faster?, Carsten Haitzler, (Tue Jul 22, 6:46 am)
Re: Why is Qtopia much faster?, Jim Morris, (Tue Jul 22, 2:04 pm)
Re: Why is Qtopia much faster?, Lorn Potter, (Tue Jul 22, 2:36 pm)
Re: Why is Qtopia much faster?, Carsten Haitzler, (Tue Jul 22, 4:21 pm)
Re: Why is Qtopia much faster?, Lorn Potter, (Tue Jul 22, 4:38 pm)
Re: Why is Qtopia much faster?, Carsten Haitzler, (Tue Jul 22, 4:54 pm)
Re: Why is Qtopia much faster?, Shawn Rutledge, (Tue Jul 22, 6:05 pm)
Re: Why is Qtopia much faster?, Timo Jyrinki, (Wed Jul 23, 12:38 am)
Re: Why is Qtopia much faster?, Lorn Potter, (Wed Jul 23, 1:23 am)
Re: Why is Qtopia much faster?, Timo Jyrinki, (Wed Jul 23, 2:00 am)
Re: Why is Qtopia much faster?, Alex Kavanagh, (Wed Jul 23, 2:13 am)
Re: Why is Qtopia much faster?, Tilman Baumann, (Wed Jul 23, 3:33 am)
Re: Why is Qtopia much faster?, Holger Freyther, (Wed Jul 23, 8:07 am)
Re: Why is Qtopia much faster?, Lorn Potter, (Wed Jul 23, 1:42 pm)
Re: Why is Qtopia much faster?, Carsten Haitzler, (Wed Jul 23, 2:18 pm)
Re: Why is Qtopia much faster?, Lorn Potter, (Wed Jul 23, 3:21 pm)
Re: Why is Qtopia much faster?, Carsten Haitzler, (Wed Jul 23, 3:40 pm)
Re: Why is Qtopia much faster?, Torfinn Ingolfsen, (Wed Jul 23, 3:42 pm)
Re: Why is Qtopia much faster?, Cédric Berger, (Wed Jul 23, 4:27 pm)
Re: Why is Qtopia much faster?, Yaroslav Halchenko, (Wed Jul 23, 10:11 pm)
Re: Why is Qtopia much faster?, Tilman Baumann, (Thu Jul 24, 1:58 am)
Re: Why is Qtopia much faster?, Carsten Haitzler, (Thu Jul 24, 4:07 am)