--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Radiography/RadiographyWidget.h	Mon Nov 12 17:17:25 2018 +0100
@@ -0,0 +1,95 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2018 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 "../Widgets/WorldSceneWidget.h"
+#include "RadiographyScene.h"
+
+
+namespace OrthancStone
+{
+  class RadiographyWidget :
+    public WorldSceneWidget,
+    public IObserver
+  {
+  private:
+    RadiographyScene&                      scene_;
+    std::auto_ptr<Orthanc::ImageAccessor>  floatBuffer_;
+    std::auto_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();
+    }
+
+    virtual bool RenderScene(CairoContext& context,
+                             const ViewportGeometry& view);
+
+  public:
+    RadiographyWidget(MessageBroker& broker,
+                      RadiographyScene& scene,
+                      const std::string& name);
+
+    RadiographyScene& GetScene() const
+    {
+      return scene_;
+    }
+
+    void Unselect()
+    {
+      hasSelection_ = false;
+    }
+
+    void Select(size_t layer);
+
+    bool LookupSelectedLayer(size_t& layer);
+
+    void OnGeometryChanged(const RadiographyScene::GeometryChangedMessage& message);
+
+    void OnContentChanged(const RadiographyScene::ContentChangedMessage& message);
+
+    void SetInvert(bool invert);
+
+    void SwitchInvert();
+
+    bool IsInverted() const
+    {
+      return invert_;
+    }
+
+    void SetInterpolation(ImageInterpolation interpolation);
+
+    ImageInterpolation GetInterpolation() const
+    {
+      return interpolation_;
+    }
+  };
+}