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type t

val empty : t

val (+): t -> Gg.v2 -> t

val get_coord : t -> Gg.v2

val get_stamp : t -> float

val create: angle:float -> width:float -> stamp:float -> x:float -> y:float -> t

val copy : t -> Gg.v2 -> t

val set_angle : t -> float -> t

val get_angle : t -> float

val set_width: t -> float -> t

val get_width: t -> float

val get_coord'
  : t -> Gg.v2

(** [mix f point p0 p1] create a new point at the position point, with the
    characteristics from p0 and p1 *)
val mix
  : float -> Gg.v2 -> t -> t -> t