--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Viewport/ViewportBase.h	Wed Jul 10 18:18:42 2019 +0200
@@ -0,0 +1,53 @@
+/**
+ * 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 "IViewport.h"
+
+#include <boost/shared_ptr.hpp>
+
+namespace OrthancStone
+{
+  class ViewportBase : public IViewport
+  {
+  private:
+    std::string                 identifier_;
+    boost::shared_ptr<Scene2D>  scene_;
+
+  public:
+    ViewportBase(const std::string& identifier);
+
+    ViewportBase(const std::string& identifier,
+                 boost::shared_ptr<Scene2D>& scene);
+
+    virtual Scene2D& GetScene()
+    {
+      return *scene_;
+    }
+
+    virtual const std::string& GetCanvasIdentifier() const
+    {
+      return identifier_;
+    }
+
+    virtual ScenePoint2D GetPixelCenterCoordinates(int x, int y) const;
+  };
+}