--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Layers/DicomSeriesVolumeSlicer.h	Sat Nov 10 09:29:08 2018 +0100
@@ -0,0 +1,124 @@
+/**
+ * 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 "VolumeSlicerBase.h"
+#include "../Toolbox/IWebService.h"
+#include "../Toolbox/OrthancSlicesLoader.h"
+#include "../Toolbox/OrthancApiClient.h"
+
+namespace OrthancStone
+{  
+  // this class is in charge of loading a Frame.
+  // once it's been loaded (first the geometry and then the image),
+  // messages are sent to observers so they can use it
+  class DicomSeriesVolumeSlicer :
+    public VolumeSlicerBase,
+    public IObserver
+    //private OrthancSlicesLoader::ISliceLoaderObserver
+  {
+  public:
+    // TODO: Add "frame" and "instanceId"
+    class FrameReadyMessage : public OriginMessage<MessageType_DicomSeriesVolumeSlicer_FrameReady, DicomSeriesVolumeSlicer>
+    {
+    private:
+      const Orthanc::ImageAccessor&  frame_;
+      SliceImageQuality              imageQuality_;
+      const Slice&                   slice_;
+
+    public:
+      FrameReadyMessage(DicomSeriesVolumeSlicer& origin,
+                        const Orthanc::ImageAccessor& frame,
+                        SliceImageQuality imageQuality,
+                        const Slice& slice) :
+        OriginMessage(origin),
+        frame_(frame),
+        imageQuality_(imageQuality),
+        slice_(slice)
+      {
+      }
+
+      const Orthanc::ImageAccessor& GetFrame() const
+      {
+        return frame_;
+      }
+
+      SliceImageQuality GetImageQuality() const
+      {
+        return imageQuality_;
+      }
+
+      const Slice& GetSlice() const
+      {
+        return slice_;
+      }
+    };
+
+    
+  private:
+    class RendererFactory;
+    
+    OrthancSlicesLoader  loader_;
+    SliceImageQuality    quality_;
+
+  public:
+    DicomSeriesVolumeSlicer(MessageBroker& broker, OrthancApiClient& orthanc);
+
+    void LoadSeries(const std::string& seriesId);
+
+    void LoadInstance(const std::string& instanceId);
+
+    void LoadFrame(const std::string& instanceId,
+                   unsigned int frame);
+
+    void SetImageQuality(SliceImageQuality quality)
+    {
+      quality_ = quality;
+    }
+
+    SliceImageQuality GetImageQuality() const
+    {
+      return quality_;
+    }
+
+    size_t GetSliceCount() const
+    {
+      return loader_.GetSliceCount();
+    }
+
+    const Slice& GetSlice(size_t slice) const 
+    {
+      return loader_.GetSlice(slice);
+    }
+
+    virtual bool GetExtent(std::vector<Vector>& points,
+                           const CoordinateSystem3D& viewportSlice);
+
+    virtual void ScheduleLayerCreation(const CoordinateSystem3D& viewportSlice);
+
+protected:
+    void OnSliceGeometryReady(const OrthancSlicesLoader::SliceGeometryReadyMessage& message);
+    void OnSliceGeometryError(const OrthancSlicesLoader::SliceGeometryErrorMessage& message);
+    void OnSliceImageReady(const OrthancSlicesLoader::SliceImageReadyMessage& message);
+    void OnSliceImageError(const OrthancSlicesLoader::SliceImageErrorMessage& message);
+  };
+}