--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Scene2D/FloatTextureSceneLayer.cpp	Fri Apr 26 11:33:57 2019 +0200
@@ -0,0 +1,122 @@
+/**
+ * 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 "FloatTextureSceneLayer.h"
+
+#include <Core/Images/Image.h>
+#include <Core/Images/ImageProcessing.h>
+#include <Core/OrthancException.h>
+
+namespace OrthancStone
+{
+  FloatTextureSceneLayer::FloatTextureSceneLayer(const Orthanc::ImageAccessor& texture)
+  {
+    {
+      std::auto_ptr<Orthanc::ImageAccessor> t(
+        new Orthanc::Image(Orthanc::PixelFormat_Float32, 
+                           texture.GetWidth(), 
+                           texture.GetHeight(), 
+                           false));
+
+      Orthanc::ImageProcessing::Convert(*t, texture);
+      SetTexture(t.release());
+    }
+
+    SetCustomWindowing(128, 256);
+  }
+
+
+  void FloatTextureSceneLayer::SetWindowing(ImageWindowing windowing)
+  {
+    if (windowing_ != windowing)
+    {
+      if (windowing == ImageWindowing_Custom)
+      {
+        throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+      }
+      else
+      {
+        windowing_ = windowing;
+        IncrementRevision();
+      }
+    }
+  }
+
+
+  void FloatTextureSceneLayer::SetCustomWindowing(float customCenter,
+                                                  float customWidth)
+  {
+    if (customWidth <= 0)
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+    }
+    else
+    {
+      windowing_ = ImageWindowing_Custom;
+      customCenter_ = customCenter;
+      customWidth_ = customWidth;
+      IncrementRevision();
+    }
+  }
+
+  
+  void FloatTextureSceneLayer::GetWindowing(float& targetCenter,
+                                            float& targetWidth) const
+  {
+    ::OrthancStone::ComputeWindowing(targetCenter, targetWidth,
+                                     windowing_, customCenter_, customWidth_);
+  }
+
+
+  void FloatTextureSceneLayer::FitRange()
+  {
+    float minValue, maxValue;
+    Orthanc::ImageProcessing::GetMinMaxFloatValue(minValue, maxValue, GetTexture());
+
+    float width;
+
+    assert(minValue <= maxValue);
+    if (LinearAlgebra::IsCloseToZero(maxValue - minValue))
+    {
+      width = 1;
+    }
+    else
+    {
+      width = maxValue - minValue;
+    }
+
+    SetCustomWindowing((minValue + maxValue) / 2.0f, width);
+  }
+
+    
+  ISceneLayer* FloatTextureSceneLayer::Clone() const
+  {
+    std::auto_ptr<FloatTextureSceneLayer> cloned
+      (new FloatTextureSceneLayer(GetTexture()));
+
+    cloned->CopyParameters(*this);
+    cloned->windowing_ = windowing_;
+    cloned->customCenter_ = customCenter_;
+    cloned->customWidth_ = customWidth_;
+
+    return cloned.release();
+  }
+}