On Fri, Dec 06, 2002 at 10:17:47AM +0100, Jean-Marc Lasgouttes wrote:
> If the functions is called several times in a row with same info (same font,
> maybe even same string!) you could cache data.
Well I considered that but am unable to come up with a really sane
scheme ...
> Instead of building a QString, you could call yourself width(QChar) on
> each character, unless there is some kerning going on.
About 5-6% slower than current.
> Do you know whether a lot of calls are for a single character? In this
> case it would be worth specializing this case.
about 10-15% slower than current.
> I'm sure you thought about that already, but it never hurts to
> propose. What do you think is hurting qt more than xforms? The unicode
> conversion?
No, it was dog slow before Dekel added that.
regards
john
--
"Yeah, I woke up in the day accidentally once, the moon was on fire for some
reason and I couldn't see very well and all the bandwidth disappeared, it was
very scary :("
- Orion
