Function imageproc::haar::draw_haar_feature

pub fn draw_haar_feature<I>(image: &I, feature: HaarFeature) -> Image<I::Pixel> where
    I: GenericImage,
    I::Pixel: HasBlack + HasWhite + 'static, 

Draws the given Haar-like feature on an image, drawing pixels with a positive sign white and those with a negative sign black.