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(** Signature for points *)
module type P = sig
type t
val empty : t
val get_coord : t -> Gg.v2
(** Copy a point and all thoses properties to the given location *)
val copy : t -> Gg.v2 -> t
end
module type REPR = sig
type t
type repr
(* Start a new path. *)
val start
: t -> repr -> repr
val line_to
: t -> t -> repr -> repr
val quadratic_to
: t -> Gg.v2 -> Gg.v2 -> t -> repr -> repr
val stop
: repr -> repr
end
module Make(Point:P) : sig
type t
(** Create an empty path *)
val empty: t
val add_point
: Point.t -> t -> t
(** Replace the last alement in the path by the one given in parameter *)
val replace_last
: Point.t -> t -> t
(** Retrieve the last element, if any *)
val peek
: t -> Point.t option
(** Retrieve the last element, if any *)
val peek2
: t -> (Point.t * Point.t) option
(** Represent the path *)
val repr
: t -> (module REPR with type t = Point.t and type repr = 's) -> 's -> 's
end
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