--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Layers/ReferenceLineFactory.h	Fri Nov 09 17:37:34 2018 +0100
@@ -0,0 +1,77 @@
+/**
+ * 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/LayeredSceneWidget.h"
+
+namespace OrthancStone
+{
+  class ReferenceLineFactory : 
+    public ILayerRendererFactory,
+    public LayeredSceneWidget::ISliceObserver
+  {
+  private:
+    LayeredSceneWidget&   owner_;
+    LayeredSceneWidget&   sibling_;
+    SliceGeometry         slice_;
+    RenderStyle           style_;
+    bool                  hasLayerIndex_;
+    size_t                layerIndex_;
+
+      
+  public:
+    ReferenceLineFactory(LayeredSceneWidget& owner,
+                         LayeredSceneWidget& sibling);
+
+    virtual void NotifySliceChange(const LayeredSceneWidget& source,
+                                   const SliceGeometry& slice);
+
+    void SetLayerIndex(size_t layerIndex);
+
+    void SetStyle(const RenderStyle& style);
+
+    RenderStyle GetRenderStyle();
+
+    void SetSlice(const SliceGeometry& slice);
+
+    virtual bool GetExtent(double& x1,
+                           double& y1,
+                           double& x2,
+                           double& y2,
+                           const SliceGeometry& viewportSlice)
+    {
+      return false;
+    }
+
+    virtual ILayerRenderer* CreateLayerRenderer(const SliceGeometry& viewportSlice);
+
+    virtual bool HasSourceVolume() const
+    {
+      return false;
+    }
+
+    virtual ISliceableVolume& GetSourceVolume() const;
+
+    static void Configure(LayeredSceneWidget& a,
+                          LayeredSceneWidget& b);
+  };
+}