#include "main_window.h"
#include "gr.h"

MainWindow::MainWindow() : GRWidget() {}

void MainWindow::draw()
{
  double x[] = {0.1, 0.9, 0.9, 0.1, 0.1};
  double y[] = {0.1, 0.1, 0.9, 0.9, 0.1};

  gr_polyline(5, x, y);
}
