--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Radiography/RadiographyMaskLayer.h	Tue Feb 12 12:22:13 2019 +0100
@@ -0,0 +1,97 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2018 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/>.
+ **/
+
+
+#pragma once
+
+#include "RadiographyLayer.h"
+#include "Core/Images/Image.h"
+
+namespace OrthancStone
+{
+  class RadiographyScene;
+  class RadiographyDicomLayer;
+
+  struct MaskPoint
+  {
+    unsigned int x;
+    unsigned int y;
+
+    MaskPoint(unsigned int x, unsigned int y)
+      : x(x),
+        y(y)
+    {}
+  };
+
+  class RadiographyMaskLayer : public RadiographyLayer
+  {
+  private:
+    std::vector<MaskPoint>            corners_;
+    const RadiographyDicomLayer&      dicomLayer_;
+    mutable bool                      invalidated_;
+    float                             foreground_;
+
+    mutable std::auto_ptr<Orthanc::ImageAccessor>  mask_;
+  public:
+    RadiographyMaskLayer(const RadiographyScene& scene, const RadiographyDicomLayer& dicomLayer,
+                         float foreground) :
+      RadiographyLayer(),
+      dicomLayer_(dicomLayer),
+      invalidated_(true),
+      foreground_(foreground)
+    {
+    }
+
+    void SetCorners(const std::vector<MaskPoint>& corners);
+
+    virtual void Render(Orthanc::ImageAccessor& buffer,
+                        const AffineTransform2D& viewTransform,
+                        ImageInterpolation interpolation) const;
+
+    virtual bool GetDefaultWindowing(float& center,
+                                     float& width) const
+    {
+      return false;
+    }
+
+    virtual bool GetRange(float& minValue,
+                          float& maxValue) const
+    {
+      minValue = 0;
+      maxValue = 0;
+
+      if (foreground_ < 0)
+      {
+        minValue = foreground_;
+      }
+
+      if (foreground_ > 0)
+      {
+        maxValue = foreground_;
+      }
+
+      return true;
+
+    }
+
+  private:
+    void DrawMask() const;
+  };
+}