cube widget implementation

modules/viz/include/opencv2/viz/widgets.hpp

@@ -73,5 +73,11 @@ namespace temp_viz
     public:
         CylinderWidget(const Point3f& pt_on_axis, const Point3f& axis_direction, double radius, int numsides = 30, const Color &color = Color::white());
     };
+    
+    class CV_EXPORTS CubeWidget : public Widget
+    {
+    public:
+        CubeWidget(const Point3f& pt_min, const Point3f& pt_max, const Color &color = Color::white());
+    };
 
 }

modules/viz/src/simple_widgets.cpp

@@ -208,3 +208,20 @@ temp_viz::CylinderWidget::CylinderWidget(const Point3f& pt_on_axis, const Point3
     
     setColor(color);
 }
+
+///////////////////////////////////////////////////////////////////////////////////////////////
+/// cylinder widget implementation
+
+temp_viz::CubeWidget::CubeWidget(const Point3f& pt_min, const Point3f& pt_max, const Color &color)
+{
+    vtkSmartPointer<vtkCubeSource> cube = vtkSmartPointer<vtkCubeSource>::New ();
+    cube->SetBounds (pt_min.x, pt_max.x, pt_min.y, pt_max.y, pt_min.z, pt_max.z);
+    
+    vtkSmartPointer<vtkDataSetMapper> mapper = vtkSmartPointer<vtkDataSetMapper>::New ();
+    mapper->SetInput(cube->GetOutput ());
+
+    vtkSmartPointer<vtkLODActor> actor = WidgetAccessor::getActor(*this);
+    actor->SetMapper(mapper);
+    
+    setColor(color);
+}

modules/viz/test/test_viz3d.cpp

@@ -98,6 +98,7 @@ TEST(Viz_viz3d, accuracy)
     temp_viz::ArrowWidget aw(cv::Point3f(0,0,0), cv::Point3f(1,1,1), temp_viz::Color(255,0,0));
     temp_viz::CircleWidget cw(cv::Point3f(0,0,0), 1.0, temp_viz::Color(0,255,0));
     temp_viz::CylinderWidget cyw(cv::Point3f(0,0,0), cv::Point3f(-1,-1,-1), 0.5, 30, temp_viz::Color(0,255,0));
+    temp_viz::CubeWidget cuw(cv::Point3f(-2,-2,-2), cv::Point3f(-1,-1,-1), temp_viz::Color(0,0,255));
     
     v.showWidget("line", lw);
     v.showWidget("plane", pw);
@@ -105,6 +106,7 @@ TEST(Viz_viz3d, accuracy)
     v.showWidget("arrow", aw);
     v.showWidget("circle", cw);
     v.showWidget("cylinder", cyw);
+    v.showWidget("cube", cuw);
     
     temp_viz::LineWidget lw2 = lw;
     
@@ -132,6 +134,7 @@ TEST(Viz_viz3d, accuracy)
         cw.setPose(cloudPosition);
         cyw.setPose(cloudPosition);
         lw.setPose(cloudPosition);
+        cuw.setPose(cloudPosition);
         
         angle_x += 0.1f;
         angle_y -= 0.1f;