--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Deprecated/Toolbox/ParallelSlicesCursor.cpp	Tue May 28 18:21:00 2019 +0200
@@ -0,0 +1,221 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2019 Osimis S.A., 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 "ParallelSlicesCursor.h"
+
+#include <Core/OrthancException.h>
+
+namespace Deprecated
+{
+  size_t ParallelSlicesCursor::GetDefaultSlice()
+  {
+    if (slices_.get() == NULL)
+    {
+      return 0;
+    }
+    else
+    {
+      return slices_->GetSliceCount() / 2;
+    }
+  }
+
+
+  size_t ParallelSlicesCursor::GetSliceCount()
+  {
+    if (slices_.get() == NULL)
+    {
+      return 0;
+    }
+    else
+    {
+      return slices_->GetSliceCount();
+    }
+  }
+
+
+  OrthancStone::CoordinateSystem3D ParallelSlicesCursor::GetSlice(size_t slice)
+  {
+    if (slices_.get() == NULL)
+    {
+      return OrthancStone::CoordinateSystem3D();
+    }
+    else
+    {
+      return slices_->GetSlice(slice);
+    }
+  }
+
+
+  void ParallelSlicesCursor::SetGeometry(const ParallelSlices& slices)
+  {
+    slices_.reset(new ParallelSlices(slices));
+
+    currentSlice_ = GetDefaultSlice();
+  }
+
+
+  OrthancStone::CoordinateSystem3D ParallelSlicesCursor::GetCurrentSlice()
+  {
+    if (slices_.get() != NULL &&
+        currentSlice_ < slices_->GetSliceCount())
+    {
+      return slices_->GetSlice(currentSlice_);
+    }
+    else
+    {
+      return OrthancStone::CoordinateSystem3D();  // No slice is available, return the canonical geometry
+    }
+  }
+
+
+  bool ParallelSlicesCursor::SetDefaultSlice()
+  {
+    size_t slice = GetDefaultSlice();
+
+    if (currentSlice_ != slice)
+    {
+      currentSlice_ = slice;
+      return true;
+    }
+    else
+    {
+      return false;
+    }
+  }
+
+
+  bool ParallelSlicesCursor::ApplyOffset(OrthancStone::SliceOffsetMode mode,
+                                         int offset)
+  {
+    if (slices_.get() == NULL)
+    {
+      return false;
+    }
+
+    int count = static_cast<int>(slices_->GetSliceCount());
+    if (count == 0)
+    {
+      return false;
+    }
+
+    int slice;
+    if (static_cast<int>(currentSlice_) >= count)
+    {
+      slice = count - 1;
+    }
+    else
+    {
+      slice = static_cast<int>(currentSlice_);
+    }
+
+    switch (mode)
+    {
+      case OrthancStone::SliceOffsetMode_Absolute:
+      {
+        slice = offset;
+        break;
+      }
+
+      case OrthancStone::SliceOffsetMode_Relative:
+      {
+        slice += offset;
+        break;
+      }
+
+      case OrthancStone::SliceOffsetMode_Loop:
+      {
+        slice += offset;
+        while (slice < 0)
+        {
+          slice += count;
+        }
+
+        while (slice >= count)
+        {
+          slice -= count;
+        }
+
+        break;
+      }
+
+      default:
+        throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+    }
+
+    if (slice < 0)
+    {
+      slice = 0;
+    }
+
+    if (slice >= count)
+    {
+      slice = count - 1;
+    }
+
+    if (slice != static_cast<int>(currentSlice_))
+    {
+      currentSlice_ = static_cast<int>(slice);
+      return true;
+    }
+    else
+    {
+      return false;
+    }
+  }
+
+
+  bool ParallelSlicesCursor::ApplyWheelEvent(OrthancStone::MouseWheelDirection direction,
+                                             OrthancStone::KeyboardModifiers modifiers)
+  {
+    int offset = (modifiers & OrthancStone::KeyboardModifiers_Control ? 10 : 1);
+
+    switch (direction)
+    {
+      case OrthancStone::MouseWheelDirection_Down:
+        return ApplyOffset(OrthancStone::SliceOffsetMode_Relative, -offset);
+
+      case OrthancStone::MouseWheelDirection_Up:
+        return ApplyOffset(OrthancStone::SliceOffsetMode_Relative, offset);
+
+      default:
+        return false;
+    }
+  }
+
+
+  bool ParallelSlicesCursor::LookupSliceContainingPoint(const OrthancStone::Vector& p)
+  {
+    size_t slice;
+    double distance;
+
+    if (slices_.get() != NULL &&
+        slices_->ComputeClosestSlice(slice, distance, p))
+    {
+      if (currentSlice_ != slice)
+      {
+        currentSlice_ = slice;
+        return true;
+      }
+    }
+
+    return false;
+  }
+}