--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Scene2D/TextureBaseSceneLayer.cpp	Fri Apr 26 11:33:57 2019 +0200
@@ -0,0 +1,170 @@
+/**
+ * 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 "TextureBaseSceneLayer.h"
+
+#include <Core/OrthancException.h>
+
+namespace OrthancStone
+{
+  void TextureBaseSceneLayer::SetTexture(Orthanc::ImageAccessor* texture)
+  {
+    if (texture == NULL)
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
+    }
+    else
+    {
+      texture_.reset(texture);
+      IncrementRevision();
+    }
+  }
+
+
+  void TextureBaseSceneLayer::CopyParameters(const TextureBaseSceneLayer& other)
+  {
+    originX_ = other.originX_;
+    originY_ = other.originY_;
+    pixelSpacingX_ = other.pixelSpacingX_;
+    pixelSpacingY_ = other.pixelSpacingY_;
+    angle_ = other.angle_;
+    isLinearInterpolation_ = other.isLinearInterpolation_;
+  }
+
+
+  TextureBaseSceneLayer::TextureBaseSceneLayer() :
+    originX_(0),
+    originY_(0),
+    pixelSpacingX_(1),
+    pixelSpacingY_(1),
+    angle_(0),
+    isLinearInterpolation_(false),
+    revision_(0)
+  {
+    if (pixelSpacingX_ <= 0 ||
+        pixelSpacingY_ <= 0)
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+    }
+  }
+
+  
+  void TextureBaseSceneLayer::SetOrigin(double x,
+                                        double y)
+  {
+    originX_ = x;
+    originY_ = y;
+    IncrementRevision();
+  }
+
+
+  void TextureBaseSceneLayer::SetPixelSpacing(double sx,
+                                              double sy)
+  {
+    if (sx <= 0 ||
+        sy <= 0)
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+    }
+    else
+    {
+      pixelSpacingX_ = sx;
+      pixelSpacingY_ = sy;
+      IncrementRevision();
+    }
+  }
+
+  
+  void TextureBaseSceneLayer::SetAngle(double angle)
+  {
+    angle_ = angle;
+    IncrementRevision();
+  }
+
+  
+  void TextureBaseSceneLayer::SetLinearInterpolation(bool isLinearInterpolation)
+  {
+    isLinearInterpolation_ = isLinearInterpolation;
+    IncrementRevision();
+  }
+    
+
+  const Orthanc::ImageAccessor& TextureBaseSceneLayer::GetTexture() const
+  {
+    if (!HasTexture())
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+    }
+    else
+    {
+      return *texture_;
+    }
+  }
+
+  
+  AffineTransform2D TextureBaseSceneLayer::GetTransform() const
+  {
+    return AffineTransform2D::Combine(
+      AffineTransform2D::CreateOffset(originX_, originY_),
+      AffineTransform2D::CreateRotation(angle_),
+      AffineTransform2D::CreateScaling(pixelSpacingX_, pixelSpacingY_),
+      AffineTransform2D::CreateOffset(-0.5, -0.5));
+  }
+
+  
+  bool TextureBaseSceneLayer::GetBoundingBox(Extent2D& target) const
+  {
+    if (texture_.get() == NULL)
+    {
+      return false;
+    }
+    else
+    {
+      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;
+    }
+  }
+}