--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Applications/Sdl/SdlCairoSurface.cpp	Fri Jun 01 18:09:09 2018 +0200
@@ -0,0 +1,93 @@
+/**
+ * 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/>.
+ **/
+
+
+#include "SdlCairoSurface.h"
+
+#if ORTHANC_ENABLE_SDL == 1
+
+#include <Core/Logging.h>
+#include <Core/OrthancException.h>
+
+namespace OrthancStone
+{
+  SdlCairoSurface::SdlCairoSurface(SdlWindow& window) :
+    window_(window),
+    sdlSurface_(NULL)
+  {
+  }
+
+
+  SdlCairoSurface::~SdlCairoSurface()
+  {
+    if (sdlSurface_)
+    {
+      SDL_FreeSurface(sdlSurface_);
+    }
+  }
+
+
+  void SdlCairoSurface::SetSize(unsigned int width,
+                                unsigned int height)
+  {
+    if (cairoSurface_.get() == NULL ||
+        cairoSurface_->GetWidth() != width ||
+        cairoSurface_->GetHeight() != height)
+    {
+      cairoSurface_.reset(new CairoSurface(width, height));
+
+      // TODO Big endian?
+      static const uint32_t rmask = 0x00ff0000;
+      static const uint32_t gmask = 0x0000ff00;
+      static const uint32_t bmask = 0x000000ff;
+
+      if (sdlSurface_)
+      {
+        SDL_FreeSurface(sdlSurface_);
+      }
+
+      sdlSurface_ = SDL_CreateRGBSurfaceFrom(cairoSurface_->GetBuffer(), width, height, 32,
+                                             cairoSurface_->GetPitch(), rmask, gmask, bmask, 0);
+      if (!sdlSurface_)
+      {
+        LOG(ERROR) << "Cannot create a SDL surface from a Cairo surface";
+        throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
+      }
+    }
+  }
+
+
+  void SdlCairoSurface::Render(IViewport& viewport)
+  {
+    if (cairoSurface_.get() == NULL)
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+    }
+
+    Orthanc::ImageAccessor target = cairoSurface_->GetAccessor();
+
+    if (viewport.Render(target))
+    {
+      window_.Render(sdlSurface_);
+    }
+  }
+}
+
+#endif