--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Samples/SingleVolumeApplication.h	Fri Oct 14 15:34:11 2016 +0200
@@ -0,0 +1,295 @@
+/**
+ * Stone of Orthanc
+ * 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 General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#include "SampleInteractor.h"
+
+#include "../Framework/Orthanc/Core/Toolbox.h"
+#include "../Framework/Layers/LineMeasureTracker.h"
+#include "../Framework/Layers/CircleMeasureTracker.h"
+#include "../Framework/Orthanc/Core/Logging.h"
+
+namespace OrthancStone
+{
+  namespace Samples
+  {
+    class SingleVolumeApplication : public SampleApplicationBase
+    {
+    private:
+      class Interactor : public SampleInteractor
+      {
+      private:
+        enum MouseMode
+        {
+          MouseMode_None,
+          MouseMode_TrackCoordinates,
+          MouseMode_LineMeasure,
+          MouseMode_CircleMeasure
+        };
+
+        MouseMode mouseMode_;
+
+        void SetMouseMode(MouseMode mode,
+                          IStatusBar* statusBar)
+        {
+          if (mouseMode_ == mode)
+          {
+            mouseMode_ = MouseMode_None;
+          }
+          else
+          {
+            mouseMode_ = mode;
+          }
+
+          if (statusBar)
+          {
+            switch (mouseMode_)
+            {
+              case MouseMode_None:
+                statusBar->SetMessage("Disabling the mouse tools");
+                break;
+
+              case MouseMode_TrackCoordinates:
+                statusBar->SetMessage("Tracking the mouse coordinates");
+                break;
+
+              case MouseMode_LineMeasure:
+                statusBar->SetMessage("Mouse clicks will now measure the distances");
+                break;
+
+              case MouseMode_CircleMeasure:
+                statusBar->SetMessage("Mouse clicks will now draw circles");
+                break;
+
+              default:
+                break;
+            }
+          }
+        }
+
+      public:
+        Interactor(VolumeImage& volume,
+                   VolumeProjection projection, 
+                   bool reverse) :
+          SampleInteractor(volume, projection, reverse),
+          mouseMode_(MouseMode_None)
+        {
+        }
+        
+        virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget,
+                                                            const SliceGeometry& slice,
+                                                            const ViewportGeometry& view,
+                                                            MouseButton button,
+                                                            double x,
+                                                            double y,
+                                                            IStatusBar* statusBar)
+        {
+          if (button == MouseButton_Left)
+          {
+            switch (mouseMode_)
+            {
+              case MouseMode_LineMeasure:
+                return new LineMeasureTracker(NULL, slice, x, y, 255, 0, 0, 14 /* font size */);
+              
+              case MouseMode_CircleMeasure:
+                return new CircleMeasureTracker(NULL, slice, x, y, 255, 0, 0, 14 /* font size */);
+
+              default:
+                break;
+            }
+          }
+
+          return NULL;
+        }
+
+        virtual void MouseOver(CairoContext& context,
+                               WorldSceneWidget& widget,
+                               const SliceGeometry& slice,
+                               const ViewportGeometry& view,
+                               double x,
+                               double y,
+                               IStatusBar* statusBar)
+        {
+          if (mouseMode_ == MouseMode_TrackCoordinates &&
+              statusBar != NULL)
+          {
+            Vector p = slice.MapSliceToWorldCoordinates(x, y);
+            
+            char buf[64];
+            sprintf(buf, "X = %.02f Y = %.02f Z = %.02f (in cm)", p[0] / 10.0, p[1] / 10.0, p[2] / 10.0);
+            statusBar->SetMessage(buf);
+          }
+        }
+
+
+        virtual void KeyPressed(WorldSceneWidget& widget,
+                                char key,
+                                KeyboardModifiers modifiers,
+                                IStatusBar* statusBar)
+        {
+          switch (key)
+          {
+            case 't':
+              SetMouseMode(MouseMode_TrackCoordinates, statusBar);
+              break;
+
+            case 'm':
+              SetMouseMode(MouseMode_LineMeasure, statusBar);
+              break;
+
+            case 'c':
+              SetMouseMode(MouseMode_CircleMeasure, statusBar);
+              break;
+
+            case 'b':
+            {
+              if (statusBar)
+              {
+                statusBar->SetMessage("Setting Hounsfield window to bones");
+              }
+
+              RenderStyle style;
+              style.windowing_ = ImageWindowing_Bone;
+              dynamic_cast<LayeredSceneWidget&>(widget).SetLayerStyle(0, style);
+              break;
+            }
+
+            case 'l':
+            {
+              if (statusBar)
+              {
+                statusBar->SetMessage("Setting Hounsfield window to lung");
+              }
+
+              RenderStyle style;
+              style.windowing_ = ImageWindowing_Lung;
+              dynamic_cast<LayeredSceneWidget&>(widget).SetLayerStyle(0, style);
+              break;
+            }
+
+            case 'd':
+            {
+              if (statusBar)
+              {
+                statusBar->SetMessage("Setting Hounsfield window to what is written in the DICOM file");
+              }
+
+              RenderStyle style;
+              style.windowing_ = ImageWindowing_Default;
+              dynamic_cast<LayeredSceneWidget&>(widget).SetLayerStyle(0, style);
+              break;
+            }
+
+            default:
+              break;
+          }
+        }
+      };
+
+
+    public:
+      virtual void DeclareCommandLineOptions(boost::program_options::options_description& options)
+      {
+        boost::program_options::options_description generic("Sample options");
+        generic.add_options()
+          ("series", boost::program_options::value<std::string>(), 
+           "Orthanc ID of the series")
+          ("threads", boost::program_options::value<unsigned int>()->default_value(3), 
+           "Number of download threads")
+          ("projection", boost::program_options::value<std::string>()->default_value("axial"), 
+           "Projection of interest (can be axial, sagittal or coronal)")
+          ("reverse", boost::program_options::value<bool>()->default_value(false), 
+           "Reverse the normal direction of the volume")
+          ;
+
+        options.add(generic);    
+      }
+
+      virtual void Initialize(BasicApplicationContext& context,
+                              IStatusBar& statusBar,
+                              const boost::program_options::variables_map& parameters)
+      {
+        using namespace OrthancStone;
+
+        if (parameters.count("series") != 1)
+        {
+          LOG(ERROR) << "The series ID is missing";
+          throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+        }
+
+        std::string series = parameters["series"].as<std::string>();
+        unsigned int threads = parameters["threads"].as<unsigned int>();
+        bool reverse = parameters["reverse"].as<bool>();
+
+        std::string tmp = parameters["projection"].as<std::string>();
+        Orthanc::Toolbox::ToLowerCase(tmp);
+        
+        VolumeProjection projection;
+        if (tmp == "axial")
+        {
+          projection = VolumeProjection_Axial;
+        }
+        else if (tmp == "sagittal")
+        {
+          projection = VolumeProjection_Sagittal;
+        }
+        else if (tmp == "coronal")
+        {
+          projection = VolumeProjection_Coronal;
+        }
+        else
+        {
+          LOG(ERROR) << "Unknown projection: " << tmp;
+          throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+        }
+
+        VolumeImage& volume = context.AddSeriesVolume(series, true /* progressive download */, threads);
+
+        std::auto_ptr<Interactor> interactor(new Interactor(volume, projection, reverse));
+
+        std::auto_ptr<LayeredSceneWidget> widget(new LayeredSceneWidget);
+        widget->AddLayer(new VolumeImage::LayerFactory(volume));
+        widget->SetSlice(interactor->GetCursor().GetCurrentSlice());
+        widget->SetInteractor(*interactor);
+
+        context.AddInteractor(interactor.release());
+        context.SetCentralWidget(widget.release());
+
+        statusBar.SetMessage("Use the keys \"b\", \"l\" and \"d\" to change Hounsfield windowing");
+        statusBar.SetMessage("Use the keys \"t\" to track the (X,Y,Z) mouse coordinates");
+        statusBar.SetMessage("Use the keys \"m\" to measure distances");
+        statusBar.SetMessage("Use the keys \"c\" to draw circles");
+      }
+    };
+  }
+}