> Is it fair to say that, neither FreeType nor tables in OpenFont
> specfication could give me accurate font metrics?
If you talk about global metrics values, the answer is yes, more or
less.
> And the only way to achieve this is to iterate the font file and
> compute them glyph-by-glyph?
In case you need to render a glyph string to, say, a box, and you want
to get exact values affected by hinting and scaling, the answer is
again yes.
> And where in the code do the metrics in FT_Face and FT_Size_Metrics
> get computed?
For single glyphs it is done in FT_Load_Glyph (which in turn calls a
driver-specific function to really load the glyph); for global metrics
it is done in FT_New_Face and FT_Set_Char_Size/FT_Set_Pixel_Sizes
(again calling driver-specific functions).
Werner
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