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

[bugzilla-daemon at webkit.org]

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





--- Comment #28 from Hironori Bono <hbono at chromium.org>  2011-06-16 22:49:47 PST ---
Niwa-san,

(In reply to comment #27)
> The approach taken by this patch isn't correct.  See http://stackoverflow.com/questions/2250437/how-to-draw-vertical-text-in-windows-gui.

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.)

Regards,

Hironori Bono

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