blob: 06b3539283cdca5d390aab96353c87a88ed7b825 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
(** Signature for points *)
module type P = sig
type t
val get_coord : t -> Gg.v2
val id : t -> int
end
module Make(Point:P) : sig
module type BUILDER = sig
type t
val repr
: t -> (module Repr.M 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.M with type t = Point.t and type repr = 's) -> 's -> 's
type approx =
{ distance : float
; closest_point : Gg.v2
; ratio : float
; p0 : Point.t
; p1 : Point.t }
(** 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 -> approx option
val iter
: t -> f:(Point.t -> unit) -> unit
val map_point
: t -> (Point.t -> Point.t) -> t
val remove_point
: t -> Point.t -> t
type bezier =
{ p0:Point.t (* The starting point *)
; p1:Point.t (* The end point *)
; ctrl0:Gg.v2 (* The control point *)
; ctrl1:Gg.v2 } (* The control point *)
type path =
| Line of Point.t * Point.t
| Curve of bezier
val path : t -> path array
val update : t -> path array -> t
end
|
