// =================
// || Worksheet 9
// || In this exercise, we are going be creating slideshows
// =================

#include "program.h"

using namespace std;
using namespace cv;



int worksheetnine(Mat& src)
{
    Size imsize(640,480);
    
    // a window to show our outputs
    cv::namedWindow( "current frame", WINDOW_AUTOSIZE );
    
    int MAX_NUMBER_OF_FRAMES = 100;
    
    // repeat this for each of the frames.
    for (int i =0; i < MAX_NUMBER_OF_FRAMES; i++)
    {
        Mat frame = Mat::zeros(imsize, CV_32F);
        
        // draw a point moving slowly.
        frame.at<float>(2*i,3*i) = 1.0f;
        
        // display the current frame.
        cv::imshow( "current frame", frame);
        // wait for a key press to continue;
        //cv::waitKey();
        
        //wait for 'esc' key press for 300ms. If 'esc' key is pressed, break loop
        if (waitKey(100) == 27)
        {
            cout << "esc key is pressed by user" << endl;
            break;
        }
    }
    
    return 0;
}