--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Samples/Common/MeasureCommands.cpp	Thu May 09 10:41:31 2019 +0200
@@ -0,0 +1,65 @@
+/**
+ * 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 "MeasureCommands.h"
+
+namespace OrthancStone
+{
+  void CreateMeasureCommand::Undo()
+  {
+    // simply disable the measure tool upon undo
+    GetMeasureTool()->Disable();
+  }
+
+  void CreateMeasureCommand::Redo()
+  {
+    GetMeasureTool()->Enable();
+  }
+
+  CreateMeasureCommand::CreateMeasureCommand(
+    Scene2D& scene, MeasureToolList& measureTools)
+    : TrackerCommand(scene)
+    , measureTools_(measureTools)
+  {
+
+  }
+
+  CreateMeasureCommand::~CreateMeasureCommand()
+  {
+    // deleting the command should not change the model state
+    // we thus leave it as is
+  }
+
+  CreateLineMeasureCommand::CreateLineMeasureCommand(
+    Scene2D& scene, MeasureToolList& measureTools, ScenePoint2D point)
+    : CreateMeasureCommand(scene, measureTools)
+    , measureTool_(new LineMeasureTool(scene))
+  {
+    measureTool_ = LineMeasureToolPtr(new LineMeasureTool(scene));
+    measureTools_.push_back(measureTool_);
+    measureTool_->Set(point, point);
+  }
+
+  void CreateLineMeasureCommand::Update(ScenePoint2D scenePos)
+  {
+    measureTool_->SetEnd(scenePos);
+  }
+
+}