--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Inputs/DicomPyramidLevel.h	Sat Oct 22 21:48:33 2016 +0200
@@ -0,0 +1,83 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, 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 "DicomPyramidInstance.h"
+
+#include <list>
+
+namespace OrthancWSI
+{
+  class DicomPyramidLevel : public boost::noncopyable
+  {
+  private:
+    typedef std::pair<unsigned int, unsigned int>                 TileLocation;
+    typedef std::pair<const DicomPyramidInstance*, unsigned int>  TileContent;
+    typedef std::map<TileLocation, TileContent>                   Tiles;
+    typedef std::list<const DicomPyramidInstance*>                Instances;
+
+    unsigned int   totalWidth_;
+    unsigned int   totalHeight_;
+    unsigned int   tileWidth_;
+    unsigned int   tileHeight_;
+    Instances      instances_;
+    Tiles          tiles_;
+
+    void RegisterFrame(const DicomPyramidInstance& instance,
+                       unsigned int frame);
+
+    bool LookupTile(TileContent& tile,
+                    unsigned int tileX,
+                    unsigned int tileY) const;
+
+  public:
+    DicomPyramidLevel(const DicomPyramidInstance& instance);
+
+    void AddInstance(const DicomPyramidInstance& instance);
+
+    unsigned int GetTotalWidth() const
+    {
+      return totalWidth_;
+    }
+
+    unsigned int GetTotalHeight() const
+    {
+      return totalHeight_;
+    }
+
+    unsigned int GetTileWidth() const
+    {
+      return tileWidth_;
+    }
+
+    unsigned int GetTileHeight() const
+    {
+      return tileHeight_;
+    }
+
+    bool DownloadRawTile(ImageCompression& compression /* out */,
+                         Orthanc::PixelFormat& format /* out */,
+                         std::string& raw /* out */,
+                         IOrthancConnection& orthanc,
+                         unsigned int tileX,
+                         unsigned int tileY) const;
+  };
+}