line.h

#pragma once
#include "opencv2/imgproc.hpp"
#include "opencv2/highgui.hpp"
#include "opencv2/videoio.hpp"
#include "opencv2/core/core.hpp"
#include <iostream>
using namespace cv;
using namespace std;
namespace line2 {
    Mat TransformImage(Mat image, int View, Scalar lower, Scalar upper, bool debug) { //it's work
        Mat transform_image;
        //int wigth = input_img.cols; int height = input_img.rows;
        //Mat image(input_img, Rect(140, View, wigth - 140, height - View));
        cvtColor(image, transform_image, COLOR_HSV2BGR);
        GaussianBlur(transform_image, transform_image, Size(9, 9), 0);
        inRange(transform_image, lower, upper, transform_image);

        if (debug)
        {
            imshow("Transform_Image", transform_image);
        }
        return transform_image;
    }

    int FindLine(Mat image, Mat gray) {
        int x;
        int sum = 0;
        int k = 0;
        int wigth = gray.cols; int height = gray.rows;
        int mid = wigth / 2;
        for (int i = mid - 150; i < mid + 150; ++i) {
            if (gray.at<uchar>(i, height-50) == 255) {
                sum += i; ++k;
            }
        }
        if (k != 0) {
            x = sum / k;
        }
        else
            x = 0;

        circle(image, Point(x, height - 50), 10, Scalar(0, 0, 255), -1);
        imshow("DEBUG", image);
        return x;
    }
}