Test for Rect2f in Python.

modules/core/include/opencv2/core/types.hpp

@@ -558,7 +558,7 @@ public:
     //! returns the minimal up-right integer rectangle containing the rotated rectangle
     CV_WRAP Rect boundingRect() const;
     //! returns the minimal (exact) floating point rectangle containing the rotated rectangle, not intended for use with images
-    Rect_<float> boundingRect2f() const;
+    CV_WRAP Rect2f boundingRect2f() const;
     //! returns the rectangle mass center
     CV_PROP_RW Point2f center;
     //! returns width and height of the rectangle

modules/python/test/test_misc.py

@@ -608,6 +608,14 @@ class Arguments(NewOpenCVTests):
         _, inter_pts = cv.rotatedRectangleIntersection(rect1, rect2)
         self.assertLess(np.max(np.abs(inter_pts.reshape(-1, 2) - pts)), 1e-4)
 
+    def test_result_rotated_rect_boundingRect2f(self):
+        center = (0, 0)
+        size = (10, 10)
+        angle = 0
+        gold_box = (-5.0, -5.0, 10.0, 10.0)
+        rect1 = cv.RotatedRect(center, size, angle)
+        bbox = rect1.boundingRect2f()
+        self.assertEqual(gold_box, bbox)
 
     def test_parse_to_rotated_rect_not_convertible(self):
         for not_convertible in ([], (), np.array([]), (123, (45, 34), 1), {1: 2, 3: 4}, 123,