4 files changed, 22 insertions, 11 deletions
diff --git a/path/fixed.ml b/path/fixed.ml
index 95a42d5..cb2c27f 100755
--- a/path/fixed.ml
+++ b/path/fixed.ml
@@ -4,13 +4,8 @@ open StdLabels
 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 Make(Point:P) = struct
@@ -185,7 +180,6 @@ module Make(Point:P) = struct
             | Curve bezier -> f bezier.p0 ; f bezier.p1
           )
 
-
   let remove_point
     : t -> Point.t -> t
     = fun {id; path} point ->
diff --git a/path/fixed.mli b/path/fixed.mli
index 32f6012..f91ffc6 100755
--- a/path/fixed.mli
+++ b/path/fixed.mli
@@ -2,13 +2,8 @@
 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 Make(Point:P) : sig
diff --git a/path/point.ml b/path/point.ml
index 046c2e7..d49d655 100755
--- a/path/point.ml
+++ b/path/point.ml
@@ -45,3 +45,20 @@ let get_coord'
     let open Gg.V2 in
     let trans = of_polar @@ v t.size t.angle in
     t.p + trans
+
+let mix
+  : float -> Gg.v2 -> t -> t -> t
+  = fun f point p0 p1 ->
+    let angle0 = p0.angle
+    and angle1 = p1.angle
+    and width0 = get_width p0
+    and width1 = get_width p1
+    and stamp0 = get_stamp p0
+    and stamp1 = get_stamp p1 in
+    let angle = angle0 +. f *. ( angle1 -. angle0 ) in
+    let width = width0 +. f *. ( width1 -. width0 ) in
+    let stamp = stamp0 +. f *. ( stamp1 -. stamp0 ) in
+    { p = point
+    ; size = width
+    ; angle
+    ; stamp }
diff --git a/path/point.mli b/path/point.mli
index c897195..fab42d2 100755
--- a/path/point.mli
+++ b/path/point.mli
@@ -22,3 +22,8 @@ val get_width: t -> float
 
 val get_coord'
   : t -> Gg.v2
+
+(** [mix f point p0 p1] create a new point at the position point, with the
+    characteristics from p0 and p1 *)
+val mix
+  : float -> Gg.v2 -> t -> t -> t