[Webkit-unassigned] [Bug 13136] Spurious glyphs in Google Israel and Gmail (all languages)

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Mar 21 13:32:31 PDT 2007


------- Comment #6 from mitz at webkit.org  2007-03-21 13:32 PDT -------
(In reply to comment #5)
>  If there isn't a font that covers them, they should be
> turned into nothingness (rather than a 'last resort' glyph) at the drawing
> stage.

I'm not sure why you want to hide them only if there isn't a font that covers
them. If you do that, and the user has installed one of the Office X fonts, and
the page specifies that font (Arial is a classic example), those characters
will render. Is that how it works in WinIE and Firefox?

Anyway, you're right that ATSULayoutParameters::initialize() is too early to
hide them (whereas for the fast code path, initializePage() will do). I think
it could be done in the overrideLayoutOperation() callback for both the (a) and
(b) classes of characters. Is there a way to query if a character is in one of
them using ICU?

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