--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Deprecated/Widgets/WidgetBase.cpp	Tue May 21 14:27:35 2019 +0200
@@ -0,0 +1,166 @@
+/**
+ * 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 "WidgetBase.h"
+
+#include <Core/OrthancException.h>
+#include <Core/Images/ImageProcessing.h>
+#include <Core/Logging.h>
+
+namespace Deprecated
+{
+  void WidgetBase::NotifyContentChanged()
+  {
+    if (parent_ != NULL)
+    {
+      parent_->NotifyContentChanged();
+    }
+
+    if (viewport_ != NULL)
+    {
+      viewport_->NotifyBackgroundChanged();
+    }
+  }
+
+
+  void WidgetBase::SetParent(IWidget& parent)
+  {
+    if (parent_ != NULL)
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+    }
+    else
+    {
+      parent_ = &parent;
+    }
+  }    
+
+  
+  void WidgetBase::ClearBackgroundOrthanc(Orthanc::ImageAccessor& target) const 
+  {
+    // Clear the background using Orthanc
+
+    if (backgroundCleared_)
+    {
+      Orthanc::ImageProcessing::Set(target, 
+                                    backgroundColor_[0],
+                                    backgroundColor_[1],
+                                    backgroundColor_[2],
+                                    255 /* alpha */);
+    }
+  }
+
+
+  void WidgetBase::ClearBackgroundCairo(OrthancStone::CairoContext& context) const
+  {
+    // Clear the background using Cairo
+
+    if (IsBackgroundCleared())
+    {
+      uint8_t red, green, blue;
+      GetBackgroundColor(red, green, blue);
+
+      context.SetSourceColor(red, green, blue);
+      cairo_paint(context.GetObject());
+    }
+  }
+
+
+  void WidgetBase::ClearBackgroundCairo(Orthanc::ImageAccessor& target) const
+  {
+    OrthancStone::CairoSurface surface(target, false /* no alpha */);
+    OrthancStone::CairoContext context(surface);
+    ClearBackgroundCairo(context);
+  }
+
+
+  void WidgetBase::UpdateStatusBar(const std::string& message)
+  {
+    if (statusBar_ != NULL)
+    {
+      statusBar_->SetMessage(message);
+    }
+  }
+
+
+  WidgetBase::WidgetBase(const std::string& name) :
+    parent_(NULL),
+    viewport_(NULL),
+    statusBar_(NULL),
+    backgroundCleared_(false),
+    transmitMouseOver_(false),
+    name_(name)
+  {
+    backgroundColor_[0] = 0;
+    backgroundColor_[1] = 0;
+    backgroundColor_[2] = 0;
+  }
+
+
+  void WidgetBase::SetViewport(WidgetViewport& viewport)
+  {
+    if (viewport_ != NULL)
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+    }
+    else
+    {
+      viewport_ = &viewport;
+    }
+  }
+
+  
+  void WidgetBase::SetBackgroundColor(uint8_t red,
+                                      uint8_t green,
+                                      uint8_t blue)
+  {
+    backgroundColor_[0] = red;
+    backgroundColor_[1] = green;
+    backgroundColor_[2] = blue;
+  }
+
+  void WidgetBase::GetBackgroundColor(uint8_t& red,
+                                      uint8_t& green,
+                                      uint8_t& blue) const
+  {
+    red = backgroundColor_[0];
+    green = backgroundColor_[1];
+    blue = backgroundColor_[2];
+  }
+
+
+  bool WidgetBase::Render(Orthanc::ImageAccessor& surface)
+  {
+#if 0
+    ClearBackgroundOrthanc(surface);
+#else
+    ClearBackgroundCairo(surface);  // Faster than Orthanc
+#endif
+
+    return true;
+  }
+
+  
+  void WidgetBase::DoAnimation()
+  {
+    throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
+  }
+}