Fwd: [cairo] Text display tuning question // tr: Re: [cairo] Fast text rendering

> Message du 13/07/10 18:57
> De : "Jonathan Morton"
> A : "Bill Spitzak"
> Copie à : [hidden email]
> Objet : Re: [cairo] Fast text rendering
>
>
> On Tue, 2010-07-13 at 09:45 -0700, Bill Spitzak wrote:
> > > It looks like these are almost all numbers or number pairs. Have you
> > > tried various caching ideas such as
> > > - saving and reusing 10 digit or 100 digit-pair paths and just filling
> > > - pre-rendering 10 digit or 100 digit-pair images and just compositing
> >
> > There really should be no excuse for such stuff to perform better than
> > Cairo's glyph caching!
>
> Pre-rendered images should always be the fastest way of doing things,
> though they might not always be appropriate.
>
> It looks to me as though this "xgl" backend has some big performance
> problems with the way it's being used by the font renderer. In this
> case, I would expect pre-rendered images to be faster. If the stated
> performance can't be reached with pre-rendered images, I would recommend
> using a different backend!
>
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> From: Jonathan Morton
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