--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Inputs/ITiledPyramid.h	Sat Oct 22 21:48:33 2016 +0200
@@ -0,0 +1,68 @@
+/**
+ * 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 "../Enumerations.h"
+
+#include "../Orthanc/Core/Images/ImageAccessor.h"
+
+#include <boost/noncopyable.hpp>
+#include <string>
+
+
+namespace OrthancWSI
+{
+  /**
+   * Class that represents a whole-slide image. It is assumed to be
+   * thread-safe, which is the case of libtiff and openslide.
+   **/
+  class ITiledPyramid : public boost::noncopyable
+  {
+  public:
+    virtual ~ITiledPyramid()
+    {
+    }
+
+    virtual unsigned int GetLevelCount() const = 0;
+
+    virtual unsigned int GetLevelWidth(unsigned int level) const = 0;
+
+    virtual unsigned int GetLevelHeight(unsigned int level) const = 0;
+
+    virtual unsigned int GetTileWidth() const = 0;
+
+    virtual unsigned int GetTileHeight() const = 0;
+
+    virtual bool ReadRawTile(std::string& tile,
+                             unsigned int level,
+                             unsigned int tileX,
+                             unsigned int tileY) = 0;
+
+    virtual Orthanc::ImageAccessor* DecodeTile(unsigned int level,
+                                               unsigned int tileX,
+                                               unsigned int tileY) = 0;
+
+    // Only makes sense for images with raw access to tiles
+    virtual ImageCompression GetImageCompression() const = 0;
+
+    virtual Orthanc::PixelFormat GetPixelFormat() const = 0;
+  };
+}