On 12/09/2010 02:38 AM, Mohamed Ikbel Boulabiar wrote: > On Thu, Dec 9, 2010 at 1:06 AM, Ping Cheng <pinglinux@xxxxxxxxx> wrote: >> No, we are not talking about non-rectangular shape here. Envelop is >> always a rectangle. By rectangle above, I meant 2 touches. >> >> An envelop that includes number of touches offers us more information >> than a rectangle does > > Can we have more information that just a rect ? An ellipse for exemple. > Can we get this information at least from synaptics touchpads? Unfortunately not. Chris Bagwell and myself have been experimenting with quite a few different approaches to extract touch information from the synaptics pads. The present approach, to extract the bounding rectangle, is the best we can do, I am afraid - at least with the information unveiled in Takashi's original patch. In particular, rotation information is not reliably extractable. Henrik -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
