--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Scene2D/PointerEvent.h	Fri Apr 26 17:05:14 2019 +0200
@@ -0,0 +1,91 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2019 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 "ScenePoint2D.h"
+
+#include <boost/noncopyable.hpp>
+#include <stdint.h>
+
+namespace OrthancStone
+{
+  class PointerEvent : public boost::noncopyable
+  {
+  private:
+    std::vector<ScenePoint2D>  positions_;
+    bool                       hasAltModifier_;
+    bool                       hasControlModifier_;
+    bool                       hasShiftModifier_;
+
+  public:
+    PointerEvent();
+
+    ScenePoint2D GetMainPosition() const;
+    
+    void AddPosition(double x,
+                     double y)
+    {
+      positions_.push_back(ScenePoint2D(x, y));
+    }
+
+    // Add the center of the pixel
+    void AddIntegerPosition(int x,
+                            int y);
+    
+    size_t GetPositionsCount() const
+    {
+      return positions_.size();
+    }
+    
+    ScenePoint2D GetPosition(size_t index) const;
+
+    void SetAltModifier(bool value)
+    {
+      hasAltModifier_ = value;
+    }
+
+    bool HasAltModifier() const
+    {
+      return hasAltModifier_;
+    }
+
+    void SetControlModifier(bool value)
+    {
+      hasControlModifier_ = value;
+    }
+
+    bool HasControlModifier() const
+    {
+      return hasControlModifier_;
+    }
+
+    void SetShiftModifier(bool value)
+    {
+      hasShiftModifier_ = value;
+    }
+
+    bool HasShiftModifier() const
+    {
+      return hasShiftModifier_;
+    }
+  };
+}