Re: master 101bbd1392: Add support for pinch gestures to the XI2 build

[Eli Zaretskii]

> From: Po Lu <luangruo@yahoo.com>
> Cc: emacs-devel@gnu.org
> Date: Sun, 26 Dec 2021 19:53:34 +0800
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > Yes.  But I think you should accumulate the DX, DY, SCALE, and ANGLE
> > values, so that the event you deliver expresses the entire change?
> 
> ANGLE, DX and DY should be accumulated, yes.  However, I don't think
> SCALE should, as it's an absolute value and not a relative one.

Right.