Ft.Synthesizeval get : [ `Ft ] Font_face.t -> tget font returns the synthesized information.
val set : ?bold:bool -> ?oblique:bool -> [ `Ft ] Font_face.t -> unitset font synthesize different glyphs from a base font, which is useful if you lack those glyphs from a true bold or oblique font.
val unset : ?bold:bool -> ?oblique:bool -> [ `Ft ] Font_face.t -> unitunset font undo what set did.