[PATCH 00/15] weston scaling support

Bill Spitzak spitzak at gmail.com
Wed Jun 5 11:58:10 PDT 2013


John Kåre Alsaker wrote:

> You might have me confused for Pekka or Alexander. Our proposals should 
> be identical here. I'm just saying that it will increase the possibly 
> resolution of input events on higher scaling factors, which reduces 
> issues with rounding, but doesn't solve it altogether.

Yes I believe our proposals are identical.

I was saying that the other proposal for "pels" will require clients to 
round the returned events to get the actual pixels (otherwise they will 
get slightly different positions depending on the scale of their 
display, which can cause havoc in things like CAD). This rounding will 
throw away high-resolution information.

Our proposals should return integers for pixels and therefore the 
clients will not have to do this rounding.


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