clipLine function
ClipLine clips the line against the image rectangle. For further details, please see: https:///docs.opencv.org/master/d6/d6e/group__imgproc__draw.html#gaf483cb46ad6b049bc35ec67052ef1c2c
Implementation
(bool, Point, Point) clipLine(Rect imgRect, Point pt1, Point pt2) {
final p = calloc<ffi.Bool>();
cvRun(() => cimgproc.cv_clipLine(imgRect.ref, pt1.ref, pt2.ref, p, ffi.nullptr));
final rval = p.value;
calloc.free(p);
return (rval, pt1, pt2);
}