Messages in this thread | | | Date | Thu, 09 Dec 2010 02:12:08 +0100 | From | Henrik Rydberg <> | Subject | Re: [PATCH] input: mt: Add an envelope tool type |
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>>>
>>> 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.
Henrik
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