opencv 3.0 旋转矩形 RotatedRect

Mat image(240, 320, CV_8U, Scalar(0));
RotatedRect rRect = RotatedRect(Point2f(100,100), Size2f(100,50), 30);

Point2f vertices[4];
rRect.points(vertices);
for (int i = 0; i < 4; i++)
line(image, vertices[i], vertices[(i+1)%4], Scalar(255));

Rect bRect = rRect.boundingRect();
rectangle(image, bRect, Scalar(128));

imshow("rectangles", image);
waitKey(0);