[Webkit-unassigned] [Bug 205486] ComplexTextController::offsetForPosition returns a wrong offset for a glyph boundary in a RTL text

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=205486

--- Comment #7 from Fujii Hironori <Hironori.Fujii at sony.com> ---
ComplexTextController::offsetForPosition has the following code:

> unsigned hitIndex = hitGlyphStart + (hitGlyphEnd - hitGlyphStart) * (m_run.ltr() ? x / adjustedAdvance : 1 - x / adjustedAdvance);

If m_run.ltr() is true and x == 0, hitIndex would become hitGlyphEnd.
This is not expected.

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