[Webkit-unassigned] [Bug 51450] Glyphs in vertical text tests are rotated 90 degrees clockwise on Chromium Windows

Thu Jun 16 23:09:22 PDT 2011

https://bugs.webkit.org/show_bug.cgi?id=51450

Ryosuke Niwa <rniwa at webkit.org> changed:

           What    |Removed                     |Added
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             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1

--- Comment #29 from Ryosuke Niwa <rniwa at webkit.org>  2011-06-16 23:09:22 PST ---
(In reply to comment #28)
> lfEscapement just rotates each glyph, i.e. it does not replace the glyph with the one optimized for vertical-writing. Many Japanese fonts have special glyphs optimized for vertical writing and an @-font forces Windows to use these optimized glyphs if possible. I assume he would like to use them instead of just rotating each glyph by 90 degrees. (To read this bug straightforwardly, lfEscapment looks sufficient, though.)

I talked with Chun-Lung on IRC today, and we concluded that we'd need to use @-font for CJK and rotated glyph for non-CJK characters due to the font fallback issue Kent-san pointed out.

I also suggested that he should try tweaking lfOutPrecision to see if that solves the fallback issue.

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