--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancStone/Sources/Scene2D/OsiriXLayerFactory.cpp	Fri Oct 30 17:26:44 2020 +0100
@@ -0,0 +1,126 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2020 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program. If not, see
+ * <http://www.gnu.org/licenses/>.
+ **/
+
+
+#include "OsiriXLayerFactory.h"
+
+#include "../Toolbox/OsiriX/AngleAnnotation.h"
+#include "../Toolbox/OsiriX/LineAnnotation.h"
+#include "../Toolbox/OsiriX/TextAnnotation.h"
+
+#include "ArrowSceneLayer.h"
+#include "PolylineSceneLayer.h"
+#include "TextSceneLayer.h"
+
+#include <OrthancException.h>
+
+#include <boost/math/constants/constants.hpp>
+
+namespace OrthancStone
+{
+  OsiriXLayerFactory::OsiriXLayerFactory() :
+    thickness_(1),
+    arrowLength_(10),  // 10 pixels
+    arrowAngle_(boost::math::constants::pi<double>() / 12.0),  // 15 degrees
+    fontIndex_(0)
+  {
+  }
+    
+
+  ISceneLayer* OsiriXLayerFactory::Create(const OsiriX::Annotation& annotation,
+                                          const CoordinateSystem3D& plane) const
+  {
+    switch (annotation.GetType())
+    {
+      case OsiriX::Annotation::Type_Line:
+      {
+        const OsiriX::LineAnnotation& line = dynamic_cast<const OsiriX::LineAnnotation&>(annotation);
+
+        const ScenePoint2D p1 = plane.ProjectPoint(line.GetPoint1());
+        const ScenePoint2D p2 = plane.ProjectPoint(line.GetPoint2());
+        
+        if (line.IsArrow())
+        {
+          std::unique_ptr<ArrowSceneLayer> layer(new ArrowSceneLayer(p1, p2));
+          layer->SetColor(color_);
+          layer->SetThickness(thickness_);
+          layer->SetArrowAngle(arrowAngle_);
+          layer->SetArrowLength(arrowLength_);
+          return layer.release();
+        }
+        else
+        {
+          std::unique_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer);
+          PolylineSceneLayer::Chain chain;
+          chain.push_back(p1);
+          chain.push_back(p2);
+          layer->AddChain(chain, false, color_);
+          layer->SetThickness(thickness_);
+          return layer.release();
+        }
+
+        break;
+      }
+
+      case OsiriX::Annotation::Type_Angle:
+      {
+        const OsiriX::AngleAnnotation& angle = dynamic_cast<const OsiriX::AngleAnnotation&>(annotation);
+
+        const ScenePoint2D a = plane.ProjectPoint(angle.GetA());
+        const ScenePoint2D center = plane.ProjectPoint(angle.GetCenter());
+        const ScenePoint2D b = plane.ProjectPoint(angle.GetB());
+
+        std::unique_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer);
+        PolylineSceneLayer::Chain chain;
+        chain.push_back(a);
+        chain.push_back(center);
+        chain.push_back(b);
+        layer->AddChain(chain, false, color_);
+        layer->SetThickness(thickness_);
+
+        return layer.release();
+      }
+
+      case OsiriX::Annotation::Type_Text:
+      {
+        const OsiriX::TextAnnotation& text = dynamic_cast<const OsiriX::TextAnnotation&>(annotation);
+
+        const ScenePoint2D center = plane.ProjectPoint(text.GetCenter());
+
+        std::unique_ptr<TextSceneLayer> layer(new TextSceneLayer());
+        layer->SetPosition(center.GetX(), center.GetY());
+        layer->SetText(text.GetText());
+        layer->SetAnchor(BitmapAnchor_Center);
+        layer->SetColor(color_);
+        layer->SetFontIndex(fontIndex_);
+
+        return layer.release();
+      }
+
+      default:
+        throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented,
+                                        "Annotation type not implemented: " +
+                                        boost::lexical_cast<std::string>(annotation.GetType()));
+    }
+
+    throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
+  }
+}