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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
module type BUILDER = sig
type t
val repr
: t -> (module REPR with type t = Point.t and type repr = 's) -> 's -> 's
end
type t
(** Return the identifier for this path *)
val id
: t -> int
(** Create a path from a builder *)
val to_fixed
: (module BUILDER with type t = 'a) -> 'a -> t
(** Represent the path *)
val repr
: t -> (module REPR with type t = Point.t and type repr = 's) -> 's -> 's
(** Return the distance between a given point and the curve. May return
None if the point is out of the curve *)
val distance
: Gg.v2 -> t -> (Gg.v2 * float) option
val map_point
: t -> (Point.t -> Point.t) -> t
end
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