--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Deprecated/Viewport/IViewport.h	Tue May 21 14:27:35 2019 +0200
@@ -0,0 +1,95 @@
+/**
+ * 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 "IStatusBar.h"
+#include "../../StoneEnumerations.h"
+#include "../../Messages/IObservable.h"
+
+#include <Core/Images/ImageAccessor.h>
+#include "../Viewport/IMouseTracker.h" // only to get the "Touch" definition
+
+namespace Deprecated
+{
+  class IWidget;   // Forward declaration
+  
+  class IViewport : public OrthancStone::IObservable
+  {
+  public:
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, ViewportChangedMessage, IViewport);
+
+    IViewport(OrthancStone::MessageBroker& broker) :
+      IObservable(broker)
+    {
+    }
+    
+    virtual ~IViewport()
+    {
+    }
+
+    virtual void FitContent() = 0;
+
+    virtual void SetStatusBar(IStatusBar& statusBar) = 0;
+
+    virtual void SetSize(unsigned int width,
+                         unsigned int height) = 0;
+
+    // The function returns "true" iff. a new frame was rendered
+    virtual bool Render(Orthanc::ImageAccessor& surface) = 0;
+
+    virtual void MouseDown(OrthancStone::MouseButton button,
+                           int x,
+                           int y,
+                           OrthancStone::KeyboardModifiers modifiers,
+                           const std::vector<Touch>& touches) = 0;
+
+    virtual void MouseUp() = 0;
+
+    virtual void MouseMove(int x, 
+                           int y,
+                           const std::vector<Touch>& displayTouches) = 0;
+
+    virtual void MouseEnter() = 0;
+
+    virtual void MouseLeave() = 0;
+
+    virtual void MouseWheel(OrthancStone::MouseWheelDirection direction,
+                            int x,
+                            int y,
+                            OrthancStone::KeyboardModifiers modifiers) = 0;
+
+    virtual void KeyPressed(OrthancStone::KeyboardKeys key,
+                            char keyChar,
+                            OrthancStone::KeyboardModifiers modifiers) = 0;
+
+    virtual bool HasAnimation() = 0;
+
+    virtual void DoAnimation() = 0;
+
+    // Should only be called from IWidget
+    // TODO Why should this be virtual?
+    virtual void NotifyContentChanged()
+    {
+      BroadcastMessage(ViewportChangedMessage(*this));
+    }
+  };
+}