implemented wasStopped flag

modules/viz/include/opencv2/viz/viz3d.hpp

@@ -55,6 +55,7 @@ namespace temp_viz
         void registerKeyboardCallback(void (*callback)(const cv::KeyboardEvent&, void*), void* cookie = 0);
         void registerMouseCallback(void (*callback)(const cv::MouseEvent&, void*), void* cookie = 0);
 
+        bool wasStopped() const;
     private:
         Viz3d(const Viz3d&);
         Viz3d& operator=(const Viz3d&);

modules/viz/src/viz3d.cpp

@@ -97,3 +97,5 @@ void temp_viz::Viz3d::registerMouseCallback(void (*callback)(const cv::MouseEven
 {
     impl_->registerMouseCallback(callback, cookie);
 }
+
+bool temp_viz::Viz3d::wasStopped() const { return impl_->wasStopped(); }

modules/viz/test/test_viz3d.cpp

@@ -90,7 +90,7 @@ TEST(Viz_viz3d, accuracy)
     v.addPolygonMesh(*mesh, "pq");
 
 
-    while(1) //TODO implement and replace with !viz.wasStopped()
+    while(!v.wasStopped())
     {
         // Creating new point cloud with id cloud1
         cv::Affine3f cloudPosition(angle_x, angle_y, angle_z, cv::Vec3f(pos_x, pos_y, pos_z));
@@ -103,7 +103,7 @@ TEST(Viz_viz3d, accuracy)
         pos_y = std::sin(angle_x);
         pos_z = std::sin(angle_x);
 
-        v.spinOnce(10);
+        v.spinOnce(1, true);
     }
    
 //     cv::Mat normals(cloud.size(), CV_32FC3, cv::Scalar(0, 10, 0));