[Webkit-unassigned] [Bug 133180] Consider exposing fractional Touch co-ordinates

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri May 23 13:58:27 PDT 2014


--- Comment #2 from Rick Byers <rbyers at chromium.org>  2014-05-23 13:58:50 PST ---

It can be pretty subtle in practice (especially if the finger is moving quickly), but here's an easy to visualize example: http://www.rbyers.net/paint.html#points - a drawing program that draws on physical pixel point per touchmove event.  See https://code.google.com/p/chromium/issues/detail?id=323935#c34 for screenshots comparing integer to floating-point co-ordinates on a nexus 5 (which has DSF=3).

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