boxPointsAsync function
BoxPoints finds the four vertices of a rotated rect. Useful to draw the rotated rectangle.
return: bottom left, top left, top right, bottom right
For further Details, please see:
https://docs.opencv.org/4.10.0/d3/dc0/group__imgproc__shape.html#gaf78d467e024b4d7936cf9397185d2f5c
Implementation
Future<VecPoint2f> boxPointsAsync(RotatedRect rect) async =>
cvRunAsync((callback) => cffi.BoxPoints_Async(rect.ref, callback), vecPoint2fCompleter);