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



int DELAY_CAPTION = 1500;
int DELAY_BLUR = 100;
int MAX_KERNEL_LENGTH = 31;
Mat source; Mat dst;
char window_name[] = "Les 4 type";
int display_dst( int delay );

int main(){///int argc, char** argv )

    //*********Question 1***********
     Mat imGray=imread("im.jpg",1);  //Mat source; source = imread(argv[1], CV_LOAD_IMAGE_COLOR);
    // affichage

     cvtColor(imGray, source, CV_BGR2GRAY);

    namedWindow("image source", WINDOW_AUTOSIZE);
    imshow("image source", source);

    for ( int i = 1; i < MAX_KERNEL_LENGTH; i = i + 2 )
        {
            blur( source, dst, Size( i, i ), Point(-1,-1) );
            if( display_dst( DELAY_BLUR ) != 0 )
            {
                return 0;
            }
        }

    for ( int i = 1; i < MAX_KERNEL_LENGTH; i = i + 2 )
        {
            GaussianBlur( source, dst, Size( i, i ), 0, 0 );
            if( display_dst( DELAY_BLUR ) != 0 )
            {
                return 0;
            }
        }

    for ( int i = 1; i < MAX_KERNEL_LENGTH; i = i + 2 )
        {
            medianBlur ( source, dst, i );
            if( display_dst( DELAY_BLUR ) != 0 )
            {
                return 0;
            }
        }

     for ( int i = 1; i < MAX_KERNEL_LENGTH; i = i + 2 )
        {
            bilateralFilter ( source, dst, i, i*2, i/2 );
            if( display_dst( DELAY_BLUR ) != 0 )
            {
                return 0;
            }
        }







      waitKey(0);

      return 0;
    }

int display_dst( int delay )
{
    imshow( window_name, dst );
    int c = waitKey ( delay );
    if( c >= 0 ) { return -1; }
    return 0;
}