--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancStone/Sources/Scene2D/PolylineSceneLayer.cpp	Tue Jul 07 16:21:02 2020 +0200
@@ -0,0 +1,110 @@
+/**
+ * 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/>.
+ **/
+
+
+#include "PolylineSceneLayer.h"
+
+#include <OrthancException.h>
+
+namespace OrthancStone
+{
+  void PolylineSceneLayer::Copy(const PolylineSceneLayer& other)
+  {
+    items_ = other.items_;
+    thickness_ = other.thickness_;
+    revision_ ++;
+  }
+
+  
+  ISceneLayer* PolylineSceneLayer::Clone() const
+  {
+    std::unique_ptr<PolylineSceneLayer> cloned(new PolylineSceneLayer);
+    cloned->Copy(*this);
+    return cloned.release();
+  }
+    
+
+  void PolylineSceneLayer::SetThickness(double thickness)
+  {
+    if (thickness <= 0)
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+    }
+    else
+    {
+      thickness_ = thickness;
+      revision_++;
+    }
+  }
+
+
+  void PolylineSceneLayer::AddChain(const Chain& chain,
+                                    bool isClosed,
+                                    uint8_t red,
+                                    uint8_t green,
+                                    uint8_t blue)
+  {
+    if (!chain.empty())
+    {
+      items_.push_back(Item());
+      items_.back().chain_ = chain;
+      items_.back().closed_ = isClosed;
+      items_.back().color_ = Color(red, green, blue);
+
+      revision_++;
+    }
+  }
+
+
+  void PolylineSceneLayer::ClearAllChains()
+  {
+    items_.clear();
+    revision_++;
+  }
+
+  const PolylineSceneLayer::Item& PolylineSceneLayer::GetItem(size_t i) const
+  {
+    if (i < items_.size())
+    {
+      return items_[i];
+    }
+    else
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+    }
+  }
+
+  
+  bool PolylineSceneLayer::GetBoundingBox(Extent2D& target) const
+  {
+    target.Reset();
+
+    for (size_t i = 0; i < items_.size(); i++)
+    {
+      for (size_t j = 0; j < items_[i].chain_.size(); j++)
+      {
+        const ScenePoint2D& p = items_[i].chain_[j];
+        target.AddPoint(p.GetX(), p.GetY());
+      }
+    }
+
+    return true;
+  }
+}