[Webkit-unassigned] [Bug 249830] [WinCairo] Get cap-height font metrics for initial-letter support

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=249830

--- Comment #1 from Fujii Hironori <Hironori.Fujii at sony.com> ---
DirectWrite has a API to get capHeight.
https://learn.microsoft.com/en-us/windows/win32/api/dwrite/ns-dwrite-dwrite_font_metrics

But, no such win32 API.
I think (tmAscent - tmInternalLeading) is the capHeight.
https://learn.microsoft.com/en-us/windows/win32/api/wingdi/ns-wingdi-textmetrica
https://learn.microsoft.com/en-us/windows/win32/gdi/string-widths-and-heights

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