Method mask_iter

src/opencv/mod.rs:668–676

(&'q self, i: &'q GrayImage)

    }

    pub fn mask_iter<'q>(&'q self, i: &'q GrayImage) -> MaskIter {

        MaskIter {
            src: self,
            mask: i,
            x: 0,
            y: 0,
        }
    }

    pub fn pixel_iter(&self) -> GrayValueIterator {