[Webkit-unassigned] [Bug 105694] [chromium] Bottom part of some glyphs are cut off in vertical flow

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=105694


Koji Ishii <kojiishi at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[chromium] System fallback  |[chromium] Bottom part of
                   |font + vertical flow +      |some glyphs are cut off in
                   |upright results in          |vertical flow
                   |incorrect advance height    |




--- Comment #3 from Koji Ishii <kojiishi at gmail.com>  2013-01-13 22:55:23 PST ---
As I created a test file, I found the issue assessment was incorrect.

The issue is, when non-square glyphs are drawn, the bottom part of glyphs are cut off in certain size. Please see the attached test file and the current result image.

As far as I tested, this issue occurs with MS PGothic 12pt and 14pt. Setting to different size, or using MS Gothic (which all of its glyphs are square) solve the issue.

The bad part is that, MS PGothic is the default Japanese font, Chromium automatically choose it for sans-serif, and 12pt and 14pt are pretty common use cases.

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