- From: L. David Baron <dbaron@dbaron.org>
- Date: Sat, 17 Mar 2012 17:13:23 -0700
- To: "Gérard Talbot" <css21testsuite@gtalbot.org>
- Cc: John Daggett <jdaggett@mozilla.com>, Public CSS test suite mailing list <public-css-testsuite@w3.org>
On Saturday 2012-03-17 15:53 -0400, "Gérard Talbot" wrote: > > Le Sam 17 mars 2012 3:24, John Daggett a écrit : > > > > Gérard Talbot wrote: > > > >> > Browsers typically render text with > >> > subpixel antialiasing *and* with subpixel or integer-pixel > >> > positioning. All browsers support subpixel anti-aliasing but only > >> > Firefox/IE9 use subpixel positioning, Webkit/Opera use integer-pixel > >> > positioning. > > The whole test suite should not require user agents to use, to be using > or to implement subpixel positioning technology. This should be loud and > clear. Sure, but it also shouldn't require the opposite. Tests should be written so they work either way. > Fine. When using Ahem font, I have proposed to only use a font-size > which in pixel units will be dividable by 5 without creating fractional > remainder so that baseline alignment will be reliable, trustworthy in > all browsers. I have adjusted a bunch of tests in that sense. Yes, using Ahem in multiples of 5 is often useful, since many uses of Ahem actually care about pixel accuracy of font metrics. -David -- 𝄞 L. David Baron http://dbaron.org/ 𝄂 𝄢 Mozilla http://www.mozilla.org/ 𝄂
Received on Sunday, 18 March 2012 00:13:53 UTC