--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Scene2D/ColorTextureSceneLayer.cpp	Thu Apr 25 13:54:42 2019 +0200
@@ -0,0 +1,107 @@
+/**
+ * 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 "ColorTextureSceneLayer.h"
+
+#include <Core/Images/Image.h>
+#include <Core/OrthancException.h>
+
+namespace OrthancStone
+{
+  ColorTextureSceneLayer::ColorTextureSceneLayer(const Orthanc::ImageAccessor& texture,
+                                                 double originX,  // Center of the top-left pixel
+                                                 double originY,
+                                                 double pixelSpacingX,
+                                                 double pixelSpacingY,
+                                                 double angle,
+                                                 bool isLinearInterpolation) :
+    texture_(Orthanc::Image::Clone(texture)),
+    originX_(originX),
+    originY_(originY),
+    pixelSpacingX_(pixelSpacingX),
+    pixelSpacingY_(pixelSpacingY),
+    angle_(angle),
+    isLinearInterpolation_(isLinearInterpolation)
+  {
+    if (texture_->GetFormat() != Orthanc::PixelFormat_Grayscale8 &&
+        texture_->GetFormat() != Orthanc::PixelFormat_RGBA32 &&
+        texture_->GetFormat() != Orthanc::PixelFormat_RGB24)
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat);
+    }
+
+    if (pixelSpacingX_ <= 0 ||
+        pixelSpacingY_ <= 0)
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+    }
+  }
+
+
+  ISceneLayer* ColorTextureSceneLayer::Clone() const
+  {
+    return new ColorTextureSceneLayer(*texture_, originX_, originY_, 
+                                      pixelSpacingX_, pixelSpacingY_, angle_, 
+                                      isLinearInterpolation_);
+  }
+
+
+  AffineTransform2D ColorTextureSceneLayer::GetTransform() const
+  {
+    return AffineTransform2D::Combine(
+      AffineTransform2D::CreateOffset(originX_, originY_),
+      AffineTransform2D::CreateRotation(angle_),
+      AffineTransform2D::CreateScaling(pixelSpacingX_, pixelSpacingY_),
+      AffineTransform2D::CreateOffset(-0.5, -0.5));
+  }
+
+
+  bool ColorTextureSceneLayer::GetBoundingBox(Extent2D& target) const
+  {
+    const AffineTransform2D t = GetTransform();
+
+    target.Reset();
+    
+    double x, y;
+
+    x = 0;
+    y = 0;
+    t.Apply(x, y);
+    target.AddPoint(x, y);
+
+    x = static_cast<double>(texture_->GetWidth());
+    y = 0;
+    t.Apply(x, y);
+    target.AddPoint(x, y);
+
+    x = 0;
+    y = static_cast<double>(texture_->GetHeight());
+    t.Apply(x, y);
+    target.AddPoint(x, y);
+
+    x = static_cast<double>(texture_->GetWidth());
+    y = static_cast<double>(texture_->GetHeight());
+    t.Apply(x, y);
+    target.AddPoint(x, y);    
+
+    return true;
+  }
+}