--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Inputs/DecodedTiledPyramid.h	Sat Oct 22 21:48:33 2016 +0200
@@ -0,0 +1,75 @@
+/**
+ * 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 "ITiledPyramid.h"
+
+
+namespace OrthancWSI
+{
+  /**
+   * This class acts as a wrapper for "cropped" tiled images, where
+   * the tiles at the right or at the bottom might not have the same
+   * dimensions of the other slides.
+   **/
+  class DecodedTiledPyramid : public ITiledPyramid
+  {
+  private:
+    uint8_t  backgroundColor_[3];
+
+  protected:
+    // Subclasses can assume that the requested region is fully inside
+    // the image, and that target has the proper size to store the
+    // region. Pay attention to implement mutual exclusion in subclasses.
+    virtual void ReadRegion(Orthanc::ImageAccessor& target,
+                            unsigned int level,
+                            unsigned int x,
+                            unsigned int y) = 0;
+
+  public:
+    DecodedTiledPyramid();
+
+    void SetBackgroundColor(uint8_t red,
+                            uint8_t green,
+                            uint8_t blue);
+
+    void GetBackgroundColor(uint8_t& red,
+                            uint8_t& green,
+                            uint8_t& blue) const;
+
+    virtual Orthanc::ImageAccessor* DecodeTile(unsigned int level,
+                                               unsigned int tileX,
+                                               unsigned int tileY);
+
+    virtual ImageCompression GetImageCompression() const
+    {
+      return ImageCompression_None;
+    }
+
+    virtual bool ReadRawTile(std::string& tile,
+                             unsigned int level,
+                             unsigned int tileX,
+                             unsigned int tileY)
+    {
+      return false;   // No access to the raw tiles
+    }
+  };
+}