#include <stdio.h>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>

#include "opencv2/opencv.hpp"
using namespace cv;
using namespace std;




void filtracja_sobela(Mat & obrazek)
{
    Mat Sx,Sy;
    Sx=(Mat_<double>(3,3) << -1,0,1,-2,0,2,-1,0,1);
    Sy=(Mat_<double>(3,3) << -1,-2,-1,0,0,0,1,2,1);

    Mat sxo,syo;
    filter2D(obrazek,sxo,-1,Sx,Point(-1,-1),0,BORDER_DEFAULT);
    filter2D(obrazek,syo,-1,Sy,Point(-1,-1),0,BORDER_DEFAULT);

    sxo*=(double)0.25;
    syo*=(double)0.25;

    cv::pow(sxo,2,sxo);
    cv::pow(syo,2,syo);

    addWeighted(sxo,1,syo,1,0,obrazek,-1);
    cv::sqrt(obrazek,obrazek);

}


void filtracja_cannyiego(Mat & obrazek,double thresh_val)
{
    Mat obrazek2;
    filtracja_sobela(obrazek);

    threshold(obrazek,obrazek2,thresh_val,255,THRESH_BINARY);

    for(int i;i<obrazek.cols;i++)
    {
        for(int j;j<obrazek.rows;j++)
        {
            if(obrazek2.col(i).row(j)=255)
            {
                1;
            }
        }
    }

}

inline void test_mnozenie(void)
{
    Mat test,test2;
    test=(Mat_<double>(3,3) << 2,2,2,2,2,2,2,2,2);
    test2=(Mat_<double>(3,3) << 1,2,3,4,5,6,7,8,9);
    test.mul(test2,1);//to sie nie nadaje do mnozenia przez skalar

    test=test*4;//prosto i przyjenie

    cout<<test<<endl;

    //maly tescik potegowania
    cv::pow(test,2,test);
    cout<<test;

    //tescik wyboru podmacierzy
    cout << endl;
    Mat mat1, mat2;
    mat1.create(Size(5, 5), CV_8UC1);
    randu(mat1, Scalar::all(0), Scalar::all(10));
    Mat mat3(mat1, Rect(2, 2, 2, 2));
    mat2 = mat1;
    cout << mat1 << endl << mat2 << endl << mat3 << endl;
    mat2.setTo(6);
    cout << mat1 << endl << mat2 << endl << mat3 << endl;
}

int main(int, char**)
{
test_mnozenie();


 Mat picture1,picture2;
picture1=imread("/home/tomek/Documents/polecenia_opencv/japko3.jpg",CV_LOAD_IMAGE_COLOR);
cvtColor(picture1,picture1,CV_RGB2GRAY);
picture1.convertTo(picture1,CV_32F);
// /////////////
//filtracja_sobela(picture1);
filtracja_cannyiego(picture1,30);




//*************************
Mat cur_image;

picture1.copyTo(cur_image);
cur_image.convertTo(cur_image,CV_8U);

namedWindow("image");

int lowerb = 0, upperb = 109;    //Ustalenie wartosci poczatkowych trackbarow
    createTrackbar( "lb", "image", &lowerb, 255, NULL );
    //Utworzenie trackbar'ow
    createTrackbar( "ub", "image", &upperb, 255, NULL );

cur_image+=lowerb;
for (;;)
{




imshow("image", cur_image);
if (waitKey(30) >= 0) break;
}
return 0;
}