message: core: expose rectangle intersection to bindings
diff: @@ -2017,6 +2017,15 @@ double jaccardDistance(const Rect_<_Tp>& a, const Rect_<_Tp>& b) {
  return 1.0 - Aab / (Aa + Ab - Aab);
  }
  +/** @brief Finds out if there is any intersection between two rectangles
  + *
  + * mainly useful for language bindings
  + * @param rect1 First rectangle
  + * @param rect2 Second rectangle
  + * @return the area of the intersection
  + */
  +CV_EXPORTS_W inline double rectangleIntersectionArea(const Rect2d& a, const Rect2d& b) { return (a & b).area(); }
  +
  ////////////////////////////// RotatedRect //////////////////////////////
  inline
  