1 files changed, 31 insertions, 1 deletions
diff --git a/layer/repr.ml b/layer/repr.ml
index f2d114c..85b0f3b 100755
--- a/layer/repr.ml
+++ b/layer/repr.ml
@@ -9,7 +9,7 @@ module type PRINTER = sig
 
   val line_to: Gg.v2 -> t -> t
 
-  (** [quadratic_to ctrl0 ctrl1 p1] ctreate a quadratic curve from the current
+  (** [quadratic_to ctrl0 ctrl1 p1] create a quadratic curve from the current
       point to [p1], with control points [ctrl0] and [ctrl1] *)
   val quadratic_to: Gg.v2 -> Gg.v2 -> Gg.v2 -> t -> t
 
@@ -17,3 +17,33 @@ module type PRINTER = sig
   val close: t -> t
 
 end
+
+module type LAYER = sig
+  type t
+
+  type point = Path.Point.t
+
+  type repr
+
+  val get
+    : t -> repr
+
+  val create_path
+    : (repr -> repr) -> t
+
+  val start
+    : point -> point -> t -> t
+
+  val line_to
+    : (point * point) -> (point * point) -> t -> t
+
+  val quadratic_to
+    : (point * Gg.v2 * Gg.v2 * point)
+    -> (point * Gg.v2 * Gg.v2 * point)
+    -> t
+    -> t
+
+  val stop
+    : t -> t
+
+end