--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Loaders/DicomStructureSetLoader.h	Tue May 28 21:59:20 2019 +0200
@@ -0,0 +1,56 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2019 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 "../Toolbox/DicomStructureSet.h"
+#include "../Volumes/IVolumeSlicer.h"
+#include "LoaderStateMachine.h"
+
+namespace OrthancStone
+{
+  class DicomStructureSetLoader :
+    public LoaderStateMachine,
+    public IVolumeSlicer
+  {
+  private:
+    class Slice;
+
+    // States of LoaderStateMachine
+    class AddReferencedInstance;   // 3rd state
+    class LookupInstance;          // 2nd state
+    class LoadStructure;           // 1st state
+    
+    std::auto_ptr<DicomStructureSet>  content_;
+    uint64_t                          revision_;
+    std::string                       instanceId_;
+    unsigned int                      countProcessedInstances_;
+    unsigned int                      countReferencedInstances_;  
+    
+  public:
+    DicomStructureSetLoader(IOracle& oracle,
+                            IObservable& oracleObservable);    
+    
+    void LoadInstance(const std::string& instanceId);
+
+    virtual IExtractedSlice* ExtractSlice(const CoordinateSystem3D& cuttingPlane);
+  };
+}