opencv/cxcore.go
func (img *IplImage) Set(value Scalar) {
	C.cvSet(unsafe.Pointer(img), (C.CvScalar)(value), nil)
}
func (img *IplImage) Set(value Scalar) {
	C.cvSet(unsafe.Pointer(img), (C.CvScalar)(value), nil)
}
/* Sets every element of an array to a given value. */