#include <iostream>
#include <opencv2/opencv.hpp>
#include <opencv2/highgui.hpp>
#include <opencv2/imgproc.hpp>
using namespace std;
using namespace cv;

int main() {

    {
        Mat img = imread("resources/galaxy.jpg",IMREAD_GRAYSCALE);
        Mat se = getStructuringElement(MORPH_RECT, Size(5, 5));
        Mat dest;
        morphologyEx(img, dest, MORPH_TOPHAT,se);
        imshow("img", img);
        imshow("dest", dest);
    }
    {
        Mat img = imread("resources/dog.jpg",IMREAD_GRAYSCALE);
        Mat dest;
        threshold(img, dest, 100, 255, THRESH_BINARY);
        imshow("kuszoboles",dest);
        Mat se = getStructuringElement(MORPH_RECT, Size(3, 3));
        morphologyEx(dest,dest,MORPH_OPEN,se);
        imshow("morphed",dest);
    }
    {
        Mat img = imread("resources/sajt.jpg",IMREAD_GRAYSCALE);
        Mat dest;
        Mat se = getStructuringElement(MORPH_RECT, Size(5, 5));
        morphologyEx(img,dest,MORPH_GRADIENT,se);
        imshow("morphed1",dest);

        Mat binary;
        Mat se2 = getStructuringElement(MORPH_ELLIPSE, Size(14,14));
        threshold(img,binary,250,255,THRESH_BINARY_INV);
        morphologyEx(binary,dest,MORPH_CLOSE,se2);
        imshow("morphed2",dest);
    }
    {
        Mat img = imread("resources/szitakoto.jpg",IMREAD_GRAYSCALE);
        threshold(img,img,190,210,THRESH_BINARY);
        Mat se = getStructuringElement(MORPH_ELLIPSE,Size(15,15));
        morphologyEx(img,img,MORPH_OPEN,se);
        imshow("img",img);
        int count = 0;
        for (int i = 0; i < img.rows; i++) {
            for (int o = 0; o < img.rows; o++) {
                if (!img.at<uchar>(i,o)) {
                    count++;
                }
            }
        }
        cout<<count<<endl;
    }
    {
        Mat img = imread("resources/annotalt_sejt.png",IMREAD_COLOR);
        Mat highlight, hitmiss;
        inRange(img,Scalar(0,0,250),Scalar(30,30,255),highlight);
        imshow("highlight",highlight);
        Mat se = getStructuringElement(MORPH_CROSS,Size(3,3));
        morphologyEx(highlight,hitmiss,MORPH_HITMISS,se);
        vector<Point> points;
        for (int i = 0; i < hitmiss.rows; i++) {
            for (int o = 0; o < hitmiss.cols; o++) {
                if (hitmiss.at<uchar>(o,i)) {
                    points.push_back(Point(i,o));
                }
            }
        }
        for (Point p : points) {
            drawMarker(img,p,Scalar(0,255,0),MARKER_CROSS);
        }
        imshow("hitmiss",img);
    }
	waitKey();
    return 0;
}