[Mono-winforms-list] MWF painting VERY slow compared to .NET
Peter De Jager
peterdj at telkomsa.net
Thu Jul 28 17:26:14 EDT 2005
Thank you for explaining this. I'm (slowly) finding my way ;-). My first
choice is obviously to support only one GUI framework in my code, so I'll
stick to MWF and see how things pan out.
> -----Original Message-----
> From: Peter Dennis Bartok [mailto:peter at novonyx.com]
> Sent: Thursday, July 28, 2005 23:14
> To: Peter De Jager
> Cc: mono-winforms-list at lists.ximian.com
> Subject: Re: [Mono-winforms-list] MWF painting VERY slow
> compared to .NET
> [...testcode explanation...]
> Thanks for the snippet, I will play and report back later.
> >With regards to Mac, I know very little about X11 (as with
> Linux). To
> >be honest, I don't even understand your question ;-). When trying to
> >get MWF and gtk-sharp running I saw on the mailing lists
> that X11 needs
> >to be installed, so I did that. I also tried to run
> 'mono.exe' from an
> >X11 terminal (I don't know how this differs from a normal
> terminal on Mac).
> >After macpack I've managed to get a MWF app displaying for
> an instant
> >before quitting, so my success has been limited so far.
> However, all of
> >my non-gui code is running without problems under Mono on OS
> X, albeit
> >at approximately half the speed of Mono on Linux (FC 4), on the same
> >PowerPC hardware.
> Quick and dirty intro:
> MWF is implemented around the concept of a 'driver'. The
> driver provides an abstraction layer for different windowing
> systems, to allow the same MWF controls to run unchanged on
> Win32, X11 OS X or any other desktop/window system. (Drawing
> is handled by System.Drawing, not the driver.)
> Today we have three drivers, Win32 (maintained by myself),
> X11 (maintained by Jackson and myself) and OS X (maintained
> by a non-Novell contributor, Geoff Norton). We keep Win32 and
> X11 en par, but due to our complete and utter lack of Mac
> know-how, we cannot do the same with the OS X driver, we are
> (until we find some time to learn Mac or it becomes a
> business priority) dependent on community contributions to
> it. The Mac driver currently does not provide keyboard
> handling, and has some issues with drawing and exposures.
> On the Mac, you can use either the X11 driver (and draw
> through the Mac X11
> server) or the OS X driver (which draws via native Carbon).
> You are correct, today X11 is required on the Mac even for
> the native driver, due to some font handling requirements.
> If you run the app via macpack, you are using the OS X
> driver, not the X11 driver. Running from a X11 terminal
> should a) work and b) use the X11 driver. Remember, I'm not a
> mac guy, though.
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