--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancStone/Sources/Scene2D/PolylineSceneLayer.h	Tue Jul 07 16:21:02 2020 +0200
@@ -0,0 +1,122 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2020 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Affero General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#include "Color.h"
+#include "ScenePoint2D.h"
+#include "ISceneLayer.h"
+
+#include <vector>
+
+namespace OrthancStone
+{
+  class PolylineSceneLayer : public ISceneLayer
+  {
+  public:
+    typedef std::vector<ScenePoint2D>  Chain;
+
+  private:
+    struct Item
+    {
+      Chain  chain_;
+      bool   closed_;
+      Color  color_;
+    };
+    
+    std::vector<Item>  items_;
+    double             thickness_;
+    uint64_t           revision_;
+
+    const Item& GetItem(size_t i) const;
+
+  public:
+    PolylineSceneLayer() :
+      thickness_(1.0),
+      revision_(0)
+    {
+    }
+
+    void Copy(const PolylineSceneLayer& other);
+
+    virtual uint64_t GetRevision() const
+    {
+      return revision_;
+    }
+
+    virtual ISceneLayer* Clone() const;
+
+    void SetThickness(double thickness);
+
+    double GetThickness() const
+    {
+      return thickness_;
+    }
+
+    void Reserve(size_t countChains)
+    {
+      items_.reserve(countChains);
+    }
+
+    void AddChain(const Chain& chain,
+                  bool isClosed,
+                  uint8_t red,
+                  uint8_t green,
+                  uint8_t blue);
+
+    void AddChain(const Chain& chain,
+                  bool isClosed,
+                  const Color& color)
+    {
+      AddChain(chain, isClosed, color.GetRed(), color.GetGreen(), color.GetBlue());
+    }
+
+    void ClearAllChains();
+
+    size_t GetChainsCount() const
+    {
+      return items_.size();
+    }
+
+    const Chain& GetChain(size_t i) const
+    {
+      return GetItem(i).chain_;
+    }
+
+    bool IsClosedChain(size_t i) const
+    {
+      return GetItem(i).closed_;
+    }
+
+    const Color& GetColor(size_t i) const
+    {
+      return GetItem(i).color_;
+    }
+
+    virtual Type GetType() const
+    {
+      return Type_Polyline;
+    }
+
+    virtual bool GetBoundingBox(Extent2D& target) const;
+   
+  };
+}