Module Mlpost__Draw.Picture
val draw : Cairo.context -> float -> float -> Mlpost__.Picture_lib.t -> unit
val where : Cairo.context -> Mlpost__.Picture_lib.t -> (float * float) -> Mlpost__.Picture_lib.id list
val move : Cairo.context -> Mlpost__.Picture_lib.t -> Mlpost__.Picture_lib.id -> (float * float) -> float * float