Re: [PATCH] input: Add a detailed multi-touch finger data report protocol

Jim Gettys
2008-11-21T14:44:33Z

Interesting.... I know of the a different case: a device which
certainly does not report ellipses, rather reports x, y, dx, dy.
- Jim

On Thu, 2008-11-20 at 00:34 +0100, Henrik Rydberg wrote:
> Jim Gettys wrote:
> [...]
> > Also, I'm still concerned about using elipses. I doubt very much any
> > hardware will ever be reporting elipses; more likely are parallelograms,
> > or trapezoids, other simple geometric figures, rather than a center with
> > size and orientation.
>
> The bcm5974 chip is doing precisely this.
>
> Henrik
>
--
Jim Gettys <jg@laptop.org>
One Laptop Per Child