[Ipe-discuss] Antialiasing, delete

Chris Gray christopher.gray at mail.mcgill.ca
Wed Dec 14 13:38:55 CET 2005

On Tue, 13 Dec 2005, Otfried Cheong wrote:

Dmitriy Morozov wrote:
> Most mysterious.  On my computer (a standard Fedora Core 3
> installation), Ipe became unusably slow (it would take 5 seconds for
> the display to follow the cursor movement).  Perhaps I should take
> out Ipe's own rendering to bitmap and see what happens.  I'd
> encourage all Linux user's to comment out the following line in
> "src/ipecanvas/ipecanvas.cpp" and report whether Ipe slows down
> dramatically or whether it improves rendering without any problem:
>    setAttribute(Qt::WA_PaintOnScreen);

This was commented in pre26 I guess, and ipe was unusably slow.  I
uncommented it, and the speed went back to normal, though there was
noticeable flicker.


Chris Gray                                  Ph.D student 
                                            TU Eindhoven

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