--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Deprecated/Widgets/TestWorldSceneWidget.cpp	Tue May 21 14:27:35 2019 +0200
@@ -0,0 +1,149 @@
+/**
+ * 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 "TestWorldSceneWidget.h"
+
+#include <Core/OrthancException.h>
+
+#include <math.h>
+#include <stdio.h>
+
+namespace Deprecated
+{
+  namespace Samples
+  {
+    class TestWorldSceneWidget::Interactor : public IWorldSceneInteractor
+    {
+    public:
+      virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget,
+                                                          const ViewportGeometry& view,
+                                                          OrthancStone::MouseButton button,
+                                                          OrthancStone::KeyboardModifiers modifiers,
+                                                          int viewportX,
+                                                          int viewportY,
+                                                          double x,
+                                                          double y,
+                                                          IStatusBar* statusBar,
+                                                          const std::vector<Touch>& touches)
+      {
+        if (statusBar)
+        {
+          char buf[64];
+          sprintf(buf, "X = %0.2f, Y = %0.2f", x, y);
+          statusBar->SetMessage(buf);
+        }
+
+        return NULL;
+      }
+
+      virtual void MouseOver(OrthancStone::CairoContext& context,
+                             WorldSceneWidget& widget,
+                             const ViewportGeometry& view,
+                             double x,
+                             double y,
+                             IStatusBar* statusBar)
+      {
+        double S = 0.5;
+
+        if (fabs(x) <= S &&
+            fabs(y) <= S)
+        {
+          cairo_t* cr = context.GetObject();
+          cairo_set_source_rgb(cr, 1, 0, 0);
+          cairo_rectangle(cr, -S, -S , 2.0 * S, 2.0 * S);
+          cairo_set_line_width(cr, 1.0 / view.GetZoom());
+          cairo_stroke(cr);
+        }
+      }
+
+      virtual void MouseWheel(WorldSceneWidget& widget,
+                              OrthancStone::MouseWheelDirection direction,
+                              OrthancStone::KeyboardModifiers modifiers,
+                              IStatusBar* statusBar)
+      {
+        if (statusBar)
+        {
+          statusBar->SetMessage(direction == OrthancStone::MouseWheelDirection_Down ? "Wheel down" : "Wheel up");
+        }
+      }
+
+      virtual void KeyPressed(WorldSceneWidget& widget,
+                              OrthancStone::KeyboardKeys key,
+                              char keyChar,
+                              OrthancStone::KeyboardModifiers modifiers,
+                              IStatusBar* statusBar)
+      {
+        if (statusBar)
+        {
+          statusBar->SetMessage("Key pressed: \"" + std::string(1, keyChar) + "\"");
+        }
+      }
+    };
+
+
+    bool TestWorldSceneWidget::RenderScene(OrthancStone::CairoContext& context,
+                                           const ViewportGeometry& view)
+    {
+      cairo_t* cr = context.GetObject();
+
+      // Clear background
+      cairo_set_source_rgb(cr, 0, 0, 0);
+      cairo_paint(cr);
+
+      float color = static_cast<float>(count_ % 16) / 15.0f;
+      cairo_set_source_rgb(cr, 0, 1.0f - color, color);
+      cairo_rectangle(cr, -10, -.5, 20, 1);
+      cairo_fill(cr);
+
+      return true;
+    }
+
+
+    TestWorldSceneWidget::TestWorldSceneWidget(const std::string& name, bool animate) :
+      WorldSceneWidget(name),
+      interactor_(new Interactor),
+      animate_(animate),
+      count_(0)
+    {
+      SetInteractor(*interactor_);
+    }
+
+
+    OrthancStone::Extent2D TestWorldSceneWidget::GetSceneExtent()
+    {
+      return OrthancStone::Extent2D(-10, -.5, 10, .5);
+    }
+
+
+    void TestWorldSceneWidget::DoAnimation()
+    {
+      if (animate_)
+      {
+        count_++;
+        NotifyContentChanged();
+      }
+      else
+      {
+        throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+      }
+    }
+  }
+}