scharrAsync function
Scharr calculates the first x- or y- image derivative using Scharr operator.
For further details, please see: https:///docs.opencv.org/master/d4/d86/group__imgproc__filter.html#gaa13106761eedf14798f37aa2d60404c9
Implementation
Future<Mat> scharrAsync(
Mat src,
int ddepth,
int dx,
int dy, {
double scale = 1,
double delta = 0,
int borderType = BORDER_DEFAULT,
}) async =>
cvRunAsync(
(callback) => cffi.Scharr_Async(src.ref, ddepth, dx, dy, scale, delta, borderType, callback),
matCompleter,
);