Re: [Devel] Problems with bbox code and cubic bezier curves

[Tom Kacvinsky]

A followup to this -- the curve is going to be subdivided during rasterization
anyway, right?  So we get inaccuracies during rendering due to division, so why
worry about inaccuracies during bbox calculation?

On Mon, 23 Apr 2001, Tom Kacvinsky wrote:

> Right  -- there may be multiple divisions by 2 when subdividing a curve.  
> Ugh...
> Hadn't stopped to think about that one!
>
> Tom
>
> On Mon, 23 Apr 2001, Toby J Sargeant wrote:
>
> > On Mon, Apr 23, 2001 at 01:33:16AM -0400, Tom Kacvinsky wrote:
> > > I thought the point was to avoid square roots, because this introduces
> > > 16.16 fixed numbers.  Do we round, truncate, floor, or ceil such beasties?
> > > Etc, etc...
> >
> > Apart from anything else, aren't you already accepting (cumulative) rounding
> > errors when you subdivide curves?
> >
> > Toby.
> >
>
>
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