Re: Fixed point cairo.. or no cairo?

[Jorn Baayen <jorn openedhand com>]

On Mon, 2006-08-07 at 11:46 -0700, Carl Worth wrote:

> > Has anyone else been giving any thought to all this? If so, I'd love to
> > hear any ideas.
> 
> One question I have is where are the floating-point operations that
> are causing problems? Are they above cairo in pango itself? Are they
> below the cairo interface? Both? Can we address the problem by
> applying judicious use of fixed-point arithmetic without touching the
> API at all?
> 
> That was the approach I had suggested might be possible: Fixed-point
> implementations in pango and cairo connected through the existing
> floating-point interface.
> 
> Has this approach been evaluated at all yet? It seems you should be
> able to re-purpose a bunch of the work you've been doing already to
> apply to an approach like this.

cairo_fixed_from_double() already accounts for 5% of the cairo
profile :(


Jorn

> 
> -Carl
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