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RE: [webfonts] pixel-perfection

From: Håkon Wium Lie <howcome@opera.com>
Date: Mon, 3 Nov 2008 23:02:51 +0100
Message-ID: <18703.29963.515576.998906@opera.com>
To: Sergey Malkin <sergeym@windows.microsoft.com>
Cc: "www-style@w3.org" <www-style@w3.org>

Also sprach Sergey Malkin:

 > > Any font detectives out there?

 > There are three different sets of metrics in OpenType font, they
 > are used separately, in combination, or with heuristics by
 > different systems/applications. I tried to take Starburst and
 > calculate expected rendering in case browsers use different
 > metrics.
 > Safari rendering matches "typo" and "mac" font metrics. This is
 > what MacOS uses. GDI(Windows) is returning "Win" metrics, and this
 > matches behavior of two other browsers. If browser is using
 > whatever is provided by font system on hosting OS, this would
 > explain difference in its behavior on Windows and Mac.

Thank you, Sergey, you're a wonderful detective!

              Håkon Wium Lie                          CTO °þe®ª
howcome@opera.com                  http://people.opera.com/howcome
Received on Monday, 3 November 2008 22:03:32 UTC

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