#include "opencv2/core.hpp"
#include <opencv2/ml.hpp>
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"

#include <cstdio>
#include <vector>
#include <iostream>
#include<vector>


using namespace std;
using namespace cv;
using namespace cv::ml;

// ---The Code from Greek Letter Recognization----
//Comes from KNN Character Rec. Program. https://github.com/MicrocontrollersAndMore/OpenCV_3_KNN_Character_Recognition_Cpp/blob/master/GenData.cpp#L38
// global variables ///////////////////////////////////////////////////////////////////////////////
const int MIN_CONTOUR_AREA = 100;

const int RESIZED_IMAGE_WIDTH = 20;
const int RESIZED_IMAGE_HEIGHT = 30;
//////////////////////////////////////


// /First step. Reading the image.
void ImgRead()
{
    //Clearing previous images.
    //ClearImages(); TODO: Fix it.

    //Reading from the data folder. I guess...
    cv::Mat im = cv::imread("C:/Users/Ahmet/Documents/Visual Studio 2017/Projects/OpencvTest/data/testSrc.jpg", CV_LOAD_IMAGE_COLOR);

    //If the image attached correctly the im.data value gonna be diff. than 0.
    if (im.data != 0)
    {
        cv::namedWindow("Test_Image", CV_WINDOW_AUTOSIZE);

            //Display the image.
            cv::imshow("Test_Image", im);
            cout << "Image Loaded. Press any key..." << endl;
            cout << "U+0391" << endl;



            //Implementing Canny Filter to detect lines of the characters. Hopefull gonna move on after that.
            Mat gray, edge, canIm; //Creation of a new matrix which hold tha image gray.
            cvtColor(im, gray, CV_BGR2GRAY);

            Canny(gray, edge, 50, 150, 3);

            edge.convertTo(canIm, CV_8U);
            namedWindow("CannyImage", CV_WINDOW_AUTOSIZE);
            imshow("CannyImage", canIm);



            cv::waitKey(0);



    }
    else
    {
        cout << "Error while loading image!" << endl;
    }
}




int main()
{
    /*
    Mat image = imread("C:/Users/Ahmet/Documents/Classes/Fall 2017/AI/Project/Datasets/epfl_corridor/20141008_141323_00/rgb000355.png", IMREAD_COLOR);



    Ptr<SVM> svm = SVM::create();


    namedWindow("Image Display", CV_WINDOW_AUTOSIZE);
    imshow("test_image", image);
    waitKey(0);
    */


    //float labels[4] = { 1.0, -1.0, -1.0, -1.0 };



    ImgRead();

}