--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancStone/Sources/Scene2D/Internals/CairoLookupTableTextureRenderer.cpp	Tue Jul 07 16:21:02 2020 +0200
@@ -0,0 +1,60 @@
+/**
+ * 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 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 "CairoLookupTableTextureRenderer.h"
+
+#include "CairoColorTextureRenderer.h"
+#include "../LookupTableTextureSceneLayer.h"
+
+#include <OrthancException.h>
+
+namespace OrthancStone
+{
+  namespace Internals
+  {
+    void CairoLookupTableTextureRenderer::Update(const ISceneLayer& layer)
+    {
+      const LookupTableTextureSceneLayer& l = dynamic_cast<const LookupTableTextureSceneLayer&>(layer);
+
+      textureTransform_ = l.GetTransform();
+      isLinearInterpolation_ = l.IsLinearInterpolation();
+
+      const Orthanc::ImageAccessor& source = l.GetTexture();
+      const unsigned int width = source.GetWidth();
+      const unsigned int height = source.GetHeight();
+      texture_.SetSize(width, height, true /* alpha channel is enabled */);
+
+      Orthanc::ImageAccessor target;
+      texture_.GetWriteableAccessor(target);
+      l.Render(target);
+      
+      cairo_surface_mark_dirty(texture_.GetObject());
+    }
+
+    void CairoLookupTableTextureRenderer::Render(const AffineTransform2D& transform,
+                                                 unsigned int canvasWidth,
+                                                 unsigned int canvasHeight)
+    {
+      CairoColorTextureRenderer::RenderColorTexture(target_, transform, texture_,
+                                                    textureTransform_, isLinearInterpolation_);
+    }
+  }
+}