--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Loaders/SeriesOrderedFrames.h	Mon Dec 09 13:58:37 2019 +0100
@@ -0,0 +1,85 @@
+/**
+ * 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 "LoadedDicomResources.h"
+
+#include "../Toolbox/DicomInstanceParameters.h"
+
+namespace OrthancStone
+{
+  class SeriesOrderedFrames : public boost::noncopyable
+  {
+  private:
+    class Instance;
+    class Frame;
+    class InstanceWithIndexInSeries;
+
+    std::vector<Instance*>  instances_;
+    std::vector<Frame*>     orderedFrames_;
+    bool                    isVolume_;
+    bool                    isRegular_;
+    double                  spacingBetweenSlices_;
+
+    void Clear();
+
+    bool Sort3DVolume();
+
+    void SortIndexInSeries();
+
+    const Frame& GetFrame(size_t seriesIndex) const;
+
+  public:
+    SeriesOrderedFrames(LoadedDicomResources& instances);
+
+    ~SeriesOrderedFrames()
+    {
+      Clear();
+    }
+
+    size_t GetFramesCount() const
+    {
+      return orderedFrames_.size();
+    }
+
+    unsigned int GetFrameIndex(size_t seriesIndex) const;
+
+    const Orthanc::DicomMap& GetInstance(size_t seriesIndex) const;
+
+    const DicomInstanceParameters& GetInstanceParameters(size_t seriesIndex) const;
+
+    // Are all frames parallel and aligned?
+    bool Is3DVolume() const
+    {
+      return isVolume_;
+    }
+
+    // Are all frames parallel, aligned and evenly spaced?
+    bool IsRegular3DVolume() const
+    {
+      return isRegular_;
+    }
+
+    // Only available on regular 3D volumes
+    double GetSpacingBetweenSlices() const;
+  };
+}