Function opencv::face::draw_facemarks

pub fn draw_facemarks(
    image: &mut dyn ToInputOutputArray, 
    points: &dyn ToInputArray, 
    color: Scalar
) -> Result<()>

Utility to draw the detected facial landmark points

Parameters

• image: The input image to be processed.
• points: Contains the data of points which will be drawn.
• color: The color of points in BGR format represented by cv::Scalar.

Example of usage

std::vector<Rect> faces;
std::vector<std::vector<Point2f> > landmarks;
facemark->getFaces(img, faces);
facemark->fit(img, faces, landmarks);
for(int j=0;j<rects.size();j++){
   face::drawFacemarks(frame, landmarks[j], Scalar(0,0,255));
}

C++ default parameters

• color: Scalar(255,0,0)