From 1f1f13a3f02e7f5f5da5926a402d53f2ccbfe536 Mon Sep 17 00:00:00 2001
From: Sébastien Dailly <sebastien@chimrod.com>
Date: Sun, 20 Dec 2020 20:58:31 +0100
Subject: Update du soir

---
 path/fillPrinter.ml | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100755 path/fillPrinter.ml

(limited to 'path/fillPrinter.ml')

diff --git a/path/fillPrinter.ml b/path/fillPrinter.ml
new file mode 100755
index 0000000..d95030c
--- /dev/null
+++ b/path/fillPrinter.ml
@@ -0,0 +1,71 @@
+module Repr = Layer.CanvaPrinter
+
+type t = Point.t
+
+type 'a repr =
+  { path: ('a Repr.t)
+  ; close : 'a Repr.t -> unit
+  }
+
+let create_path
+  : 'b -> 'a repr
+  = fun f ->
+    { close = f
+    ; path = Repr.create ()
+    }
+
+(* Start a new path. *)
+let start
+  : Point.t -> 'a repr -> 'a repr
+  = fun t {close ; path } ->
+    let path = Repr.move_to (Point.get_coord t) path in
+    { close
+    ; path
+    }
+
+let line_to
+  : Point.t -> Point.t -> 'a repr -> 'a repr
+  = fun p0 p1 t ->
+    let path =
+      Repr.move_to (Point.get_coord p1) t.path
+      |> Repr.line_to (Point.get_coord' p1)
+      |> Repr.line_to (Point.get_coord' p0)
+      |> Repr.line_to (Point.get_coord p0)
+      |> Repr.line_to (Point.get_coord p1)
+      |> Repr.close in
+    t.close path;
+    { t with path}
+
+let quadratic_to
+  : Point.t -> Gg.v2 -> Gg.v2 -> Point.t -> 'a repr -> 'a repr
+  = fun p0 ctrl0 ctrl1 p1 t ->
+
+    let ctrl0' = Point.copy p1 ctrl0
+    and ctrl1' = Point.copy p1 ctrl1 in
+
+    let path =
+      Repr.move_to (Point.get_coord p1) t.path
+      |> Repr.line_to (Point.get_coord' p1)
+      |> Repr.quadratic_to
+        (Point.get_coord' ctrl1')
+        (Point.get_coord' ctrl0')
+        (Point.get_coord' p0)
+      |> Repr.line_to (Point.get_coord p0)
+      |> Repr.quadratic_to
+        (Point.get_coord ctrl0')
+        (Point.get_coord ctrl1')
+        (Point.get_coord p1)
+      |> Repr.close in
+    t.close path;
+    { t with path}
+
+
+let stop
+  : 'a repr -> 'a repr
+  = fun t ->
+    t
+
+let get
+  : 'a repr -> 'a Repr.t
+  = fun t ->
+    t.path
-- 
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