A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
This method should retrieve the extents for a specified glyph. Extents must be returned in an #hb_glyph_extents output parameter.
true if data found, false otherwise
A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
This method should retrieve the extents for a specified glyph. Extents must be returned in an #hb_glyph_extents output parameter.