[Qt-interest] Qt/X11 Text Handling on MacOSX faster than Qt/Mac

Josh jnfo-c at grauman.com
Tue Jun 22 21:12:04 CEST 2010


Thanks! I'll give this a try and let the list know how it goes...

Josh

> Josh wrote:
>> So...
>>
>> I spent the day fiddling with OSX and was able to get Qt/X11 to run using Fink.
>> Running my program under Qt/X11 on OSX was probably about 5 times faster than
>> under Qt/Mac (maybe more, I didn't run official speed tests yet, but it wasn't
>> even close). As I said, my program is all about text layout/rendering. I'm
>> pretty sure that this is almost completely due to Harfbuzz being faster than
>> Core Text, but there could be other factors.
>>
>> So I'd love someone who is more experienced than I to chime in about the
>> possibility of getting Harfbuzz to run on Qt/Mac. It seems like if my program
>> is any sort of indicator, this would be very nice to have as a configure switch
>> for people who want to get a lot more speed out of the Mac text handling.
>>
>> Any Trolls to chime in? Is this doable?
>>
>
> Have you tried rendering to a QImage? If I remember right it would invoke the internal
> platform-independent raster engine (which should use freetype/harfbuzz?!).
>
> A bit outdated, don't know if it's still valid:
> http://www.informit.com/articles/article.aspx?p=1174421&seqNum=3
>
> _______________________________________________
> Qt-interest mailing list
> Qt-interest at trolltech.com
> http://lists.trolltech.com/mailman/listinfo/qt-interest
>



More information about the Qt-interest-old mailing list