--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Outputs/TruncatedPyramidWriter.h	Sat Oct 22 21:48:33 2016 +0200
@@ -0,0 +1,78 @@
+/**
+ * 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 "InMemoryTiledImage.h"
+
+namespace OrthancWSI
+{
+  class TruncatedPyramidWriter : public IPyramidWriter
+  {
+  private:
+    IPyramidWriter&     lowerLevels_;
+    InMemoryTiledImage  upperLevel_;
+    unsigned int        upperLevelIndex_;
+    
+  public:
+    TruncatedPyramidWriter(IPyramidWriter& lower,
+                           unsigned int upperLevelIndex);
+
+    virtual unsigned int GetLevelCount() const
+    {
+      return upperLevelIndex_ + 1;
+    }
+
+    virtual Orthanc::PixelFormat GetPixelFormat() const 
+    {
+      return lowerLevels_.GetPixelFormat();
+    }
+
+    virtual unsigned int GetTileWidth() const
+    {
+      return lowerLevels_.GetTileWidth();
+    }
+
+    virtual unsigned int GetTileHeight() const 
+    {
+      return lowerLevels_.GetTileHeight();
+    }
+
+    virtual unsigned int GetCountTilesX(unsigned int level) const;
+
+    virtual unsigned int GetCountTilesY(unsigned int level) const;
+
+    virtual void WriteRawTile(const std::string& tile,
+                              ImageCompression compression,
+                              unsigned int level,
+                              unsigned int x,
+                              unsigned int y);
+
+    virtual void EncodeTile(const Orthanc::ImageAccessor& tile,
+                            unsigned int level,
+                            unsigned int x, 
+                            unsigned int y);
+
+    InMemoryTiledImage& GetUpperLevel()
+    {
+      return upperLevel_;
+    }
+  };
+}