int x0 = Math.round(m_start.getPosition().getX());
    int y0 = Math.round(m_start.getPosition().getY());
    int x1 = Math.round(m_end.getPosition().getX());
    int y1 = Math.round(m_end.getPosition().getY());

    int dx = x1 - x0;
    int dy = y1 - y0;

    int parameter = 2 * dy -  dx;

     Point k = new Point(new Vector2D(x0, y0), m_display, PixelData.white());
     k.DrawPoint();

    for(int i = x0 + 1; i < x1; i++){
       if(parameter < 0){
           y0 += 1;
           Point p = new Point(new Vector2D(i, y0), m_display, PixelData.white());
           p.DrawPoint();

           parameter += 2 * dy;
       }else{
           y0 += 1;
           Point p = new Point(new Vector2D(i, y0 + 1), m_display, PixelData.white());
           p.DrawPoint();

           parameter += 2 * dy - 2 * dx;
       }
    }

System.out.println(dx + " " + dy + " " + (dy/(float)dx));

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