- From: Tab Atkins Jr. <jackalmage@gmail.com>
- Date: Tue, 26 Mar 2013 10:20:57 -0700
- To: Simon Sapin <simon.sapin@exyr.org>
- Cc: www-style list <www-style@w3.org>
On Tue, Mar 26, 2013 at 7:39 AM, Simon Sapin <simon.sapin@exyr.org> wrote: > The spec for background-size has this text for when background-repeat is > 'round': > >> If X ≠ 0 is the width of the image after step one and W is the width >> of the background positioning area, then the rounded width X' = W / >> round(W / X) where round() is a function that returns the nearest >> natural number (integer greater than zero). > > > What should round() do when two natural numbers are equally near? For > example, with W = 250 and X = 100, should round(W / X) be 2 or 3? > > I suggest picking one arbitrarily (round <natural>+0.5 up or down), spec it, > and add a test like one of these with 'width: 240px' (= 96*2.5) > > http://test.csswg.org/suites/css3-background/nightly-unstable/html4/background-repeat-round.htm > http://test.csswg.org/suites/css3-background/nightly-unstable/html4/background-repeat-round-roundup.htm I believe in other cases, we've explicitly specified that it rounds up. ~TJ
Received on Tuesday, 26 March 2013 17:21:45 UTC