--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Outputs/TruncatedPyramidWriter.cpp	Sat Oct 22 21:48:33 2016 +0200
@@ -0,0 +1,117 @@
+/**
+ * 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/>.
+ **/
+
+
+#include "TruncatedPyramidWriter.h"
+
+#include "../Orthanc/Core/OrthancException.h"
+
+namespace OrthancWSI
+{
+  TruncatedPyramidWriter::TruncatedPyramidWriter(IPyramidWriter& lower,
+                                                 unsigned int upperLevelIndex) :
+    lowerLevels_(lower),
+    upperLevel_(lower.GetPixelFormat(),
+                lower.GetCountTilesX(upperLevelIndex),
+                lower.GetCountTilesY(upperLevelIndex),
+                lower.GetTileWidth(),
+                lower.GetTileHeight()),
+    upperLevelIndex_(upperLevelIndex)
+  {
+    if (upperLevelIndex > lower.GetLevelCount())
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+    }
+  }
+
+
+  unsigned int TruncatedPyramidWriter::GetCountTilesX(unsigned int level) const
+  {
+    if (level < upperLevelIndex_)
+    {
+      return lowerLevels_.GetCountTilesX(level);
+    }
+    else if (level == upperLevelIndex_)
+    {
+      return upperLevel_.GetCountTilesX(0);
+    }
+    else
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+    }
+  }
+
+
+  unsigned int TruncatedPyramidWriter::GetCountTilesY(unsigned int level) const
+  {
+    if (level < upperLevelIndex_)
+    {
+      return lowerLevels_.GetCountTilesY(level);
+    }
+    else if (level == upperLevelIndex_)
+    {
+      return upperLevel_.GetCountTilesY(0);
+    }
+    else
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+    }
+  }
+
+
+  void TruncatedPyramidWriter::WriteRawTile(const std::string& tile,
+                                            ImageCompression compression,
+                                            unsigned int level,
+                                            unsigned int x,
+                                            unsigned int y)
+  {
+    if (level < upperLevelIndex_)
+    {
+      lowerLevels_.WriteRawTile(tile, compression, level, x, y);
+    }
+    else if (level == upperLevelIndex_)
+    {
+      upperLevel_.WriteRawTile(tile, compression, 0, x, y);
+    }
+    else
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+    }
+  }
+
+
+  void TruncatedPyramidWriter::EncodeTile(const Orthanc::ImageAccessor& tile,
+                                          unsigned int level,
+                                          unsigned int x, 
+                                          unsigned int y)
+  {
+    if (level < upperLevelIndex_)
+    {
+      lowerLevels_.EncodeTile(tile, level, x, y);
+    }
+    else if (level == upperLevelIndex_)
+    {
+      upperLevel_.EncodeTile(tile, 0, x, y);
+    }
+    else
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+    }
+  }
+}