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|
module Path = Script_path
module Make (Layer : Repr.PRINTER) = struct
type point = Path.Point.t
let mark point path =
let open Gg.V2 in
let point = Path.Point.get_coord point in
let dist = 5.
and dist' = -5. in
let path =
Layer.move_to (point - of_tuple (dist, dist)) path
|> Layer.line_to (point + of_tuple (dist, dist))
|> Layer.move_to (point + of_tuple (dist', dist))
|> Layer.line_to (point + of_tuple (dist, dist'))
in
path
type t = { path : Layer.t }
type repr = Layer.t
let create_path : 'b -> t = fun _ -> { path = Layer.create () }
let start : point -> point -> t -> t =
fun p1 _ { path } ->
let path = mark p1 path in
{ path }
let line_to : point * point -> point * point -> t -> t =
fun (p0, p1) _ { path } ->
let path =
Layer.move_to (Path.Point.get_coord p0) path
|> Layer.line_to (Path.Point.get_coord p1)
|> mark p1
in
{ path }
let quadratic_to :
point * Gg.v2 * Gg.v2 * point -> point * Gg.v2 * Gg.v2 * point -> t -> t =
fun (p0, ctrl0, ctrl1, p1) _ { path } ->
let path =
Layer.move_to (Path.Point.get_coord p0) path
|> Layer.quadratic_to ctrl0 ctrl1 (Path.Point.get_coord p1)
|> mark p1
in
{ path }
let stop : t -> t = fun path -> path
let get : t -> Layer.t = fun { path; _ } -> path
end
|
