--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Samples/Common/RtViewerView.h	Wed Apr 29 22:06:24 2020 +0200
@@ -0,0 +1,133 @@
+/**
+ * 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 <Framework/Viewport/IViewport.h>
+
+#include <Framework/Loaders/DicomStructureSetLoader.h>
+#include <Framework/Loaders/OrthancMultiframeVolumeLoader.h>
+#include <Framework/Loaders/OrthancSeriesVolumeProgressiveLoader.h>
+#include <Framework/Loaders/ILoadersContext.h>
+#include <Framework/Messages/IMessageEmitter.h>
+#include <Framework/Messages/IObserver.h>
+#include <Framework/Messages/ObserverBase.h>
+#include <Framework/Oracle/OracleCommandExceptionMessage.h>
+#include <Framework/Scene2DViewport/ViewportController.h>
+
+#include <Framework/Volumes/DicomVolumeImage.h>
+#include <Framework/Volumes/VolumeSceneLayerSource.h>
+
+#include <boost/enable_shared_from_this.hpp>
+#include <boost/thread.hpp>
+#include <boost/noncopyable.hpp>
+
+namespace OrthancStone
+{
+  class RtViewerApp;
+
+  class RtViewerView : public ObserverBase<RtViewerView>
+  {
+  public:
+    RtViewerView(boost::weak_ptr<RtViewerApp> app, 
+                 const std::string& canvasId, 
+                 VolumeProjection projection) 
+      : app_(app)
+      , currentPlane_(0)
+      , projection_(projection)
+    {
+      viewport_ = CreateViewport(canvasId);
+      FLOATING_INFOTEXT_LAYER_ZINDEX = 6;
+      FIXED_INFOTEXT_LAYER_ZINDEX = 7;
+    }
+
+    /**
+    This method is called when the scene transform changes. It allows to
+    recompute the visual elements whose content depend upon the scene transform
+    */
+    void OnSceneTransformChanged(
+      const ViewportController::SceneTransformChanged& message);
+
+    /**
+    This method will ask the VolumeSceneLayerSource, that are responsible to
+    generated 2D content based on a volume and a cutting plane, to regenerate
+    it. This is required if the volume itself changes (during loading) or if
+    the cutting plane is changed
+    */
+    void UpdateLayers();
+
+    void Refresh();
+
+    void TakeScreenshot(
+      const std::string& target,
+      unsigned int canvasWidth,
+      unsigned int canvasHeight);
+
+    void Invalidate();
+    void FitContent();
+    void RetrieveGeometry();
+    void PrepareViewport();
+    void RegisterMessages();
+
+#if ORTHANC_ENABLE_SDL == 1
+    void EnableGLDebugOutput();
+#endif
+
+    void CreateLayers(boost::shared_ptr<OrthancSeriesVolumeProgressiveLoader> ctLoader,
+                      boost::shared_ptr<OrthancMultiframeVolumeLoader>        doseLoader,
+                      boost::shared_ptr<DicomVolumeImage>                     doseVolume,
+                      boost::shared_ptr<DicomStructureSetLoader>              rtstructLoader);
+
+    boost::shared_ptr<IViewport> GetViewport()
+    {
+      return viewport_;
+    }
+
+  private:
+    void SetInfoDisplayMessage(std::string key, std::string value);
+    boost::shared_ptr<RtViewerApp> GetApp();
+    static boost::shared_ptr<IViewport> CreateViewport(const std::string& canvasId);
+    void DisplayInfoText();
+    void HideInfoText();
+    void DisplayFloatingCtrlInfoText(const PointerEvent& e);
+
+    void SetCtVolumeSlicer(const boost::shared_ptr<IVolumeSlicer>& volume,
+                           ILayerStyleConfigurator* style);
+
+    void SetDoseVolumeSlicer(const boost::shared_ptr<IVolumeSlicer>& volume,
+                             ILayerStyleConfigurator* style);
+
+    void SetStructureSet(const boost::shared_ptr<DicomStructureSetLoader>& volume);
+
+  private:
+    boost::weak_ptr<RtViewerApp> app_;
+    boost::shared_ptr<VolumeSceneLayerSource>  ctVolumeLayerSource_, doseVolumeLayerSource_, structLayerSource_;
+
+  // collection of cutting planes for this particular view
+    std::vector<OrthancStone::CoordinateSystem3D>       planes_;
+    size_t                                              currentPlane_;
+
+    VolumeProjection                                    projection_;
+
+    std::map<std::string, std::string> infoTextMap_;
+
+    int FLOATING_INFOTEXT_LAYER_ZINDEX;
+    int FIXED_INFOTEXT_LAYER_ZINDEX;
+    boost::shared_ptr<IViewport> viewport_;
+  };
+}
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