[Fontconfig] performance optimizations

[Owen Taylor]

On Wed, 2004-10-13 at 10:02 -0700, Keith Packard wrote:
> Around 12 o'clock on Oct 13, Owen Taylor wrote:
> 
> > Well, if we *eliminate* BDF/PCF font support, that helps. Otherwise, 
> > I don't see it helping much.
> 
> Now I'm confused -- I thought the time was consumed by wandering through 
> miles of bitmap fonts.  Eliminating essentially all of the bitmap fonts 
> seems like a good way to make that faster...

What I'm talking about is that FcFontSort() results potentially depend
upon the pixel size. This makes caching both much more expensive and
much less effective. Depending *less* on pixel size doesn't help with
that.

Regards,
						Owen

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