--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Toolbox/OrthancSlicesLoader.h	Wed May 24 11:59:24 2017 +0200
@@ -0,0 +1,110 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017 Osimis, 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 "IWebService.h"
+#include "SlicesSorter.h"
+
+#include <boost/shared_ptr.hpp>
+
+namespace OrthancStone
+{
+  class OrthancSlicesLoader : public boost::noncopyable
+  {
+  public:
+    class ICallback : public boost::noncopyable
+    {
+    public:
+      virtual ~ICallback()
+      {
+      }
+
+      virtual void NotifyGeometryReady(const OrthancSlicesLoader& loader) = 0;
+
+      virtual void NotifyGeometryError(const OrthancSlicesLoader& loader) = 0;
+
+      virtual void NotifySliceImageReady(const OrthancSlicesLoader& loader,
+                                         unsigned int sliceIndex,
+                                         const Slice& slice,
+                                         Orthanc::ImageAccessor* image) = 0;
+
+      virtual void NotifySliceImageError(const OrthancSlicesLoader& loader,
+                                         unsigned int sliceIndex,
+                                         const Slice& slice) = 0;
+    };
+    
+  private:
+    enum State
+    {
+      State_Error,
+      State_Initialization,
+      State_LoadingGeometry,
+      State_GeometryReady
+    };
+    
+    enum Mode
+    {
+      Mode_SeriesGeometry,
+      Mode_InstanceGeometry,
+      Mode_LoadImage
+    };
+
+    class Operation;
+    class WebCallback;
+
+    boost::shared_ptr<WebCallback>  webCallback_;  // This is a PImpl pattern
+
+    ICallback&    userCallback_;
+    IWebService&  orthanc_;
+    State         state_;
+    SlicesSorter  slices_;
+
+
+    void ParseSeriesGeometry(const void* answer,
+                             size_t size);
+
+    void ParseInstanceGeometry(const std::string& instanceId,
+                               unsigned int frame,
+                               const void* answer,
+                               size_t size);
+
+    void ParseSliceImage(const Operation& operation,
+                         const void* answer,
+                         size_t size);
+    
+    
+  public:
+    OrthancSlicesLoader(ICallback& callback,
+                        IWebService& orthanc);
+
+    void ScheduleLoadSeries(const std::string& seriesId);
+
+    void ScheduleLoadInstance(const std::string& instanceId,
+                              unsigned int frame);
+
+    size_t GetSliceCount() const;
+
+    const Slice& GetSlice(size_t index) const;
+
+    void ScheduleLoadSliceImage(size_t index);
+  };
+}