--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Deprecated/Viewport/WidgetViewport.cpp	Tue May 21 14:27:35 2019 +0200
@@ -0,0 +1,289 @@
+/**
+ * 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 "WidgetViewport.h"
+
+#include <Core/Images/ImageProcessing.h>
+#include <Core/OrthancException.h>
+
+namespace Deprecated
+{
+  WidgetViewport::WidgetViewport(OrthancStone::MessageBroker& broker) :
+    IViewport(broker),
+    statusBar_(NULL),
+    isMouseOver_(false),
+    lastMouseX_(0),
+    lastMouseY_(0),
+    backgroundChanged_(false)
+  {
+  }
+
+
+  void WidgetViewport::FitContent()
+  {
+    if (centralWidget_.get() != NULL)
+    {
+      centralWidget_->FitContent();
+    }
+  }
+
+
+  void WidgetViewport::SetStatusBar(IStatusBar& statusBar)
+  {
+    statusBar_ = &statusBar;
+
+    if (centralWidget_.get() != NULL)
+    {
+      centralWidget_->SetStatusBar(statusBar);
+    }
+  }
+
+
+  IWidget& WidgetViewport::SetCentralWidget(IWidget* widget)
+  {
+    if (widget == NULL)
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+    }
+
+    mouseTracker_.reset(NULL);
+
+    centralWidget_.reset(widget);
+    centralWidget_->SetViewport(*this);
+
+    if (statusBar_ != NULL)
+    {
+      centralWidget_->SetStatusBar(*statusBar_);
+    }
+
+    NotifyBackgroundChanged();
+
+    return *widget;
+  }
+
+
+  void WidgetViewport::NotifyBackgroundChanged()
+  {
+    backgroundChanged_ = true;
+    NotifyContentChanged();
+  }
+
+
+  void WidgetViewport::SetSize(unsigned int width,
+                               unsigned int height)
+  {
+    background_.SetSize(width, height, false /* no alpha */);
+
+    if (centralWidget_.get() != NULL)
+    {
+      centralWidget_->SetSize(width, height);
+    }
+
+    NotifyBackgroundChanged();
+  }
+
+
+  bool WidgetViewport::Render(Orthanc::ImageAccessor& surface)
+  {
+    if (centralWidget_.get() == NULL)
+    {
+      return false;
+    }
+
+    Orthanc::ImageAccessor background;
+    background_.GetWriteableAccessor(background);
+
+    if (backgroundChanged_ &&
+        !centralWidget_->Render(background))
+    {
+      return false;
+    }
+
+    if (background.GetWidth() != surface.GetWidth() ||
+        background.GetHeight() != surface.GetHeight())
+    {
+      return false;
+    }
+
+    Orthanc::ImageProcessing::Convert(surface, background);
+    
+    if (mouseTracker_.get() != NULL)
+    {
+      mouseTracker_->Render(surface);
+    }
+    else if (isMouseOver_)
+    {
+      centralWidget_->RenderMouseOver(surface, lastMouseX_, lastMouseY_);
+    }
+
+    return true;
+  }
+
+  void WidgetViewport::TouchStart(const std::vector<Touch>& displayTouches)
+  {
+    MouseDown(OrthancStone::MouseButton_Left, (int)displayTouches[0].x, (int)displayTouches[0].y, OrthancStone::KeyboardModifiers_None, displayTouches); // one touch is equivalent to a mouse tracker without left button -> set the mouse coordinates to the first touch coordinates
+  }
+      
+  void WidgetViewport::TouchMove(const std::vector<Touch>& displayTouches)
+  {
+    MouseMove((int)displayTouches[0].x, (int)displayTouches[0].y, displayTouches); // one touch is equivalent to a mouse tracker without left button -> set the mouse coordinates to the first touch coordinates
+  }
+      
+  void WidgetViewport::TouchEnd(const std::vector<Touch>& displayTouches)
+  {
+    // note: TouchEnd is not triggered when a single touch gesture ends (it is only triggered when
+    // going from 2 touches to 1 touch, ...)
+    MouseUp();
+  }
+
+  void WidgetViewport::MouseDown(OrthancStone::MouseButton button,
+                                 int x,
+                                 int y,
+                                 OrthancStone::KeyboardModifiers modifiers,
+                                 const std::vector<Touch>& displayTouches
+                                 )
+  {
+    lastMouseX_ = x;
+    lastMouseY_ = y;
+
+    if (centralWidget_.get() != NULL)
+    {
+      mouseTracker_.reset(centralWidget_->CreateMouseTracker(button, x, y, modifiers, displayTouches));
+    }
+    else
+    {
+      mouseTracker_.reset(NULL);
+    }      
+
+    NotifyContentChanged();
+  }
+
+
+  void WidgetViewport::MouseUp()
+  {
+    if (mouseTracker_.get() != NULL)
+    {
+      mouseTracker_->MouseUp();
+      mouseTracker_.reset(NULL);
+      NotifyContentChanged();
+    }
+  }
+
+
+  void WidgetViewport::MouseMove(int x, 
+                                 int y,
+                                 const std::vector<Touch>& displayTouches)
+  {
+    if (centralWidget_.get() == NULL)
+    {
+      return;
+    }
+
+    lastMouseX_ = x;
+    lastMouseY_ = y;
+
+    bool repaint = false;
+    
+    if (mouseTracker_.get() != NULL)
+    {
+      mouseTracker_->MouseMove(x, y, displayTouches);
+      repaint = true;
+    }
+    else
+    {
+      repaint = centralWidget_->HasRenderMouseOver();
+    }
+
+    if (repaint)
+    {
+      // The scene must be repainted, notify the observers
+      NotifyContentChanged();
+    }
+  }
+
+
+  void WidgetViewport::MouseEnter()
+  {
+    isMouseOver_ = true;
+    NotifyContentChanged();
+  }
+
+
+  void WidgetViewport::MouseLeave()
+  {
+    isMouseOver_ = false;
+
+    if (mouseTracker_.get() != NULL)
+    {
+      mouseTracker_->MouseUp();
+      mouseTracker_.reset(NULL);
+    }
+
+    NotifyContentChanged();
+  }
+
+
+  void WidgetViewport::MouseWheel(OrthancStone::MouseWheelDirection direction,
+                                  int x,
+                                  int y,
+                                  OrthancStone::KeyboardModifiers modifiers)
+  {
+    if (centralWidget_.get() != NULL &&
+        mouseTracker_.get() == NULL)
+    {
+      centralWidget_->MouseWheel(direction, x, y, modifiers);
+    }
+  }
+
+
+  void WidgetViewport::KeyPressed(OrthancStone::KeyboardKeys key,
+                                  char keyChar,
+                                  OrthancStone::KeyboardModifiers modifiers)
+  {
+    if (centralWidget_.get() != NULL &&
+        mouseTracker_.get() == NULL)
+    {
+      centralWidget_->KeyPressed(key, keyChar, modifiers);
+    }
+  }
+
+
+  bool WidgetViewport::HasAnimation()
+  {
+    if (centralWidget_.get() != NULL)
+    {
+      return centralWidget_->HasAnimation();
+    }
+    else
+    {
+      return false;
+    }
+  }
+   
+
+  void WidgetViewport::DoAnimation()
+  {
+    if (centralWidget_.get() != NULL)
+    {
+      centralWidget_->DoAnimation();
+    }
+  }
+}