A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
This method should retrieve the glyph ID for a specified Unicode code point font, with an optional variation selector.
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 glyph ID for a specified Unicode code point font, with an optional variation selector.