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(** Signature for points *)
module type P = sig
type t
val empty : t
val get_coord : t -> Gg.v2
val copy : t -> Gg.v2 -> t
type 'a repr
val create_path
: unit -> 'a repr
(* Start a new path. *)
val start
: t -> 'a repr -> 'a repr
val line_to
: t -> 'a repr -> 'a repr
val quadratic_to
: t -> t -> t -> t -> 'a repr -> 'a repr
val stop
: 'a repr -> 'a repr
end
module Make(P:P) : sig
type bezier =
{ p0:P.t (* The starting point *)
; p1:P.t (* The end point *)
; ctrl0:Gg.v2 (* The control point *)
; ctrl1:Gg.v2 } (* The control point *)
type t
(** Create an empty path *)
val empty: t
val add_point
: P.t -> t -> t
(** Replace the last alement in the path by the one given in parameter *)
val replace_last
: P.t -> t -> t
(** Retrieve the last element, if any *)
val peek
: t -> P.t option
(** Retrieve the last element, if any *)
val peek2
: t -> (P.t * P.t) option
val get
: t -> P.t list * bezier list
val points_to_beziers
: P.t list -> Shapes.Bezier.t array -> bezier array
val draw
: t -> 'a P.repr
end
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