--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancStone/Sources/Scene2D/ArrowSceneLayer.h	Fri Oct 30 16:26:39 2020 +0100
@@ -0,0 +1,107 @@
+/**
+ * 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/>.
+ **/
+
+
+#pragma once
+
+#include "Color.h"
+#include "ScenePoint2D.h"
+#include "ISceneLayer.h"
+
+#include <Compatibility.h>  // For ORTHANC_OVERRIDE
+
+namespace OrthancStone
+{
+  class ArrowSceneLayer : public ISceneLayer
+  {
+  private:
+    ScenePoint2D  a_;
+    ScenePoint2D  b_;
+    Color         color_;
+    double        thickness_;
+    uint64_t      revision_;
+    double        arrowLength_;   // in pixels
+    double        arrowAngle_;    // in radians
+
+  public:
+    ArrowSceneLayer(const ScenePoint2D& a,
+                    const ScenePoint2D& b);
+
+    virtual uint64_t GetRevision() const ORTHANC_OVERRIDE
+    {
+      return revision_;
+    }
+
+    virtual ISceneLayer* Clone() const ORTHANC_OVERRIDE;
+
+    const ScenePoint2D& GetA() const
+    {
+      return a_;
+    }
+
+    const ScenePoint2D& GetB() const
+    {
+      return b_;
+    }
+
+    void SetThickness(double thickness);
+
+    double GetThickness() const
+    {
+      return thickness_;
+    }
+
+    void SetColor(const Color& color);
+    
+    void SetColor(uint8_t red,
+                  uint8_t green,
+                  uint8_t blue)
+    {
+      SetColor(Color(red, green, blue));
+    }
+    
+    const Color& GetColor() const
+    {
+      return color_;
+    }
+
+    void SetArrowLength(double length);
+
+    double GetArrowLength() const
+    {
+      return arrowLength_;
+    }
+
+    void SetArrowAngle(double angle);
+
+    double GetArrowAngle() const
+    {
+      return arrowAngle_;
+    }
+
+    virtual Type GetType() const ORTHANC_OVERRIDE
+    {
+      return Type_Arrow;
+    }
+
+    virtual void GetBoundingBox(Extent2D& target) const ORTHANC_OVERRIDE;
+  };
+}