Andreas Kling 69c33bd4ca LibGfx/OpenType: Load x-height metrics from OS/2 table if available ...

Before this change we always returned the font's point size as the
x-height which was basically never correct.

We now get it from the OS/2 table (if one with version >= 2 is available
in the file). Otherwise we fall back to using the ascent of the 'x'
glyph. Most fonts appear to have a sufficiently modern OS/2 table.

2023-06-10 21:46:33 +02:00

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