--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Deprecated/Radiography/RadiographyWidget.h	Wed Apr 29 20:43:09 2020 +0200
@@ -0,0 +1,131 @@
+/**
+ * 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/>.
+ **/
+
+
+#pragma once
+
+#include "../Deprecated/Widgets/WorldSceneWidget.h"
+#include "../Messages/ObserverBase.h"
+#include "RadiographyScene.h"
+
+
+namespace OrthancStone
+{
+  class RadiographyMaskLayer;
+
+  class RadiographyWidget :
+    public Deprecated::WorldSceneWidget,
+    public ObserverBase<RadiographyWidget>,
+    public IObservable
+  {
+  public:
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, SelectionChangedMessage, RadiographyWidget);
+
+  private:
+    boost::shared_ptr<RadiographyScene>    scene_;
+    std::unique_ptr<Orthanc::ImageAccessor>  floatBuffer_;
+    std::unique_ptr<CairoSurface>            cairoBuffer_;
+    bool                                   invert_;
+    ImageInterpolation                     interpolation_;
+    bool                                   hasSelection_;
+    size_t                                 selectedLayer_;
+
+    bool RenderInternal(unsigned int width,
+                        unsigned int height,
+                        ImageInterpolation interpolation);
+
+  protected:
+    virtual Extent2D GetSceneExtent()
+    {
+      return scene_->GetSceneExtent(false);
+    }
+
+    virtual bool RenderScene(CairoContext& context,
+                             const Deprecated::ViewportGeometry& view);
+
+    virtual void RenderBackground(Orthanc::ImageAccessor& image, float minValue, float maxValue);
+
+    bool IsInvertedInternal() const;
+
+  public:
+    RadiographyWidget(boost::shared_ptr<RadiographyScene> scene,  // TODO: check how we can avoid boost::shared_ptr here since we don't want them in the public API (app is keeping a boost::shared_ptr to this right now)
+                      const std::string& name);
+
+    RadiographyScene& GetScene() const
+    {
+      return *scene_;
+    }
+
+    void SetScene(boost::shared_ptr<RadiographyScene> scene);
+
+    void Select(size_t layer);
+
+    void Unselect();
+
+    template<typename LayerType> bool SelectLayerByType(size_t index = 0);
+
+    bool LookupSelectedLayer(size_t& layer) const;
+
+    void OnGeometryChanged(const RadiographyScene::GeometryChangedMessage& message);
+
+    void OnContentChanged(const RadiographyScene::ContentChangedMessage& message);
+
+    void OnLayerRemoved(const RadiographyScene::LayerRemovedMessage& message);
+
+    void SetInvert(bool invert);
+
+    void SwitchInvert();
+
+    bool IsInverted() const
+    {
+      return invert_;
+    }
+
+    void SetInterpolation(ImageInterpolation interpolation);
+
+    ImageInterpolation GetInterpolation() const
+    {
+      return interpolation_;
+    }
+  };
+
+  template<typename LayerType> bool RadiographyWidget::SelectLayerByType(size_t index)
+  {
+    std::vector<size_t> layerIndexes;
+    size_t count = 0;
+    scene_->GetLayersIndexes(layerIndexes);
+
+    for (size_t i = 0; i < layerIndexes.size(); ++i)
+    {
+      const LayerType* typedLayer = dynamic_cast<const LayerType*>(&(scene_->GetLayer(layerIndexes[i])));
+      if (typedLayer != NULL)
+      {
+        if (count == index)
+        {
+          Select(layerIndexes[i]);
+          return true;
+        }
+        count++;
+      }
+    }
+
+    return false;
+  }
+}