4 files changed, 71 insertions, 0 deletions
diff --git a/layer/canvaPrinter.ml b/layer/canvaPrinter.ml
new file mode 100755
index 0000000..e696d10
--- /dev/null
+++ b/layer/canvaPrinter.ml
@@ -0,0 +1,42 @@
+module Path = Brr_canvas.C2d.Path
+module V2 = Gg.V2
+
+type 'a t = Path.t
+
+let create
+  : unit -> 'a t
+  = Path.create
+
+(* Start a new path. *)
+let move_to
+  : Gg.v2 -> 'a t -> 'a t
+  = fun point path ->
+    let x, y = V2.to_tuple point in
+    Path.move_to ~x ~y path;
+    path
+
+let line_to
+  : Gg.v2 -> 'a t -> 'a t
+  = fun  point path ->
+    let x, y = V2.to_tuple point in
+    Path.line_to ~x ~y path;
+    path
+
+let quadratic_to
+  : Gg.v2 -> Gg.v2 -> Gg.v2 -> 'a t -> 'a t
+  = fun  ctrl0 ctrl1 p1 path ->
+    let cx, cy = V2.to_tuple ctrl0
+    and cx', cy' = V2.to_tuple ctrl1
+    and x, y = V2.to_tuple p1 in
+    Path.ccurve_to
+      ~cx ~cy
+      ~cx' ~cy'
+      ~x ~y
+      path;
+    path
+
+let close
+  : 'a t -> 'a t
+  = fun path ->
+    Path.close path;
+    path
diff --git a/layer/canvaPrinter.mli b/layer/canvaPrinter.mli
new file mode 100755
index 0000000..e273054
--- /dev/null
+++ b/layer/canvaPrinter.mli
@@ -0,0 +1,2 @@
+include Repr.PRINTER 
+  with type 'a t = Brr_canvas.C2d.Path.t
diff --git a/layer/dune b/layer/dune
new file mode 100755
index 0000000..f0b1b13
--- /dev/null
+++ b/layer/dune
@@ -0,0 +1,8 @@
+(library
+ (name layer)
+ (libraries 
+   gg
+   brr
+   shapes
+   )
+ )
diff --git a/layer/repr.ml b/layer/repr.ml
new file mode 100755
index 0000000..b91442b
--- /dev/null
+++ b/layer/repr.ml
@@ -0,0 +1,19 @@
+module type PRINTER = sig
+
+  type 'a t
+
+  val create: unit -> 'a t
+
+  (* Start a new path. *)
+  val move_to: Gg.v2 -> 'a t -> 'a t
+
+  val line_to: Gg.v2 -> 'a t -> 'a t
+
+  (** [quadratic_to ctrl0 ctrl1 p1] ctreate a quadratic curve from the current
+      point to [p1], with control points [ctrl0] and [ctrl1] *)
+  val quadratic_to: Gg.v2 -> Gg.v2 -> Gg.v2 -> 'a t -> 'a t
+
+  (** Request for the path to be closed *)
+  val close: 'a t -> 'a t
+
+end