From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Henrik Rydberg <rydberg@euromail.se>
Cc: Ping Cheng <pinglinux@gmail.com>,
Chase Douglas <chase.douglas@canonical.com>,
Jiri Kosina <jkosina@suse.cz>,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] input: mt: Add an envelope tool type
Date: Wed, 8 Dec 2010 17:17:53 -0800 [thread overview]
Message-ID: <20101209011752.GH15294@core.coreip.homeip.net> (raw)
In-Reply-To: <4D002CE8.2060803@euromail.se>
On Thu, Dec 09, 2010 at 02:12:08AM +0100, Henrik Rydberg wrote:
> >>>
>
> >>> Is it assumed that the envelop has only two touches comprising it? Or is
> >>> it any number of touches? If it's any number of touches, how does one
> >>> know how many touches it is?
> >>
> >> Those are good questions. Specifying how many touches are in the
> >> envelop makes sense. It also covers rectangle as a special case of
> >> envelop.
> >
> > I have a feeling that trying to accomodate non-rectangular, more than 2
> > point shapes without using native MT data is over-engineering the
> > problem... Do we have examples other than older generation Elantechs and
> > Synaptics that need envelope notion?
> >
>
>
> Those are the ones targeted so far. Maybe appletouch could be added to the list
> as well. I imagine all drivers will end up using zero, one and two envelope points.
Even ones that fully support independent finger tracking?
--
Dmitry
next prev parent reply other threads:[~2010-12-09 1:18 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-07 11:29 Henrik Rydberg
2010-12-08 17:43 ` Chase Douglas
2010-12-08 18:23 ` Henrik Rydberg
2010-12-08 18:38 ` Chase Douglas
2010-12-08 18:52 ` Henrik Rydberg
2010-12-08 19:09 ` Chase Douglas
2010-12-08 19:23 ` Henrik Rydberg
2010-12-08 19:53 ` Mohamed Ikbel Boulabiar
[not found] ` <AANLkTi=iw+7CDhbO4N9rMVSwS0t93BaaBVgoAwz-GeHo@mail.gmail.com>
2010-12-08 20:02 ` Henrik Rydberg
2010-12-08 20:17 ` Mohamed Ikbel Boulabiar
2010-12-08 20:44 ` Chase Douglas
2010-12-08 23:43 ` Ping Cheng
2010-12-08 23:58 ` Dmitry Torokhov
2010-12-09 0:06 ` Ping Cheng
2010-12-09 1:18 ` Henrik Rydberg
2010-12-09 1:22 ` Ping Cheng
2010-12-09 1:38 ` Mohamed Ikbel Boulabiar
2010-12-09 1:51 ` Henrik Rydberg
2010-12-09 1:12 ` Henrik Rydberg
2010-12-09 1:17 ` Dmitry Torokhov [this message]
2010-12-09 1:24 ` Henrik Rydberg
2010-12-09 1:20 ` Ping Cheng
2010-12-09 2:01 ` Henrik Rydberg
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