getRectSubPix function
Implementation
VARP getRectSubPix(VARP image, (int, int) patchSize, (double, double) center) {
final cPatchSize = Size.fromTuple(patchSize);
final cCenter = Point.fromTuple(center);
final rval = VARP.fromPointer(c.mnn_cv_getRectSubPix(image.ptr, cPatchSize.ref, cCenter.ref));
cPatchSize.dispose();
cCenter.dispose();
return rval;
}