'devnum:  VideoCapture enumerates the available video capture devices
on your system.  If you have more than one device, specify
the desired one here.  The device number starts from 0.
showVideoWindow: 0 ... do not display a video window (the default)
1 ... display a video window
Mainly used for debugging, since the video window
can not be closed or moved around.'

def __init__(self, devnum=0, showVideoWindow=0):

    self.dev = vidcap.new_Dev(devnum, showVideoWindow)
    self.normalfont = ImageFont.load_path('helvetica-10.pil')
    self.boldfont = ImageFont.load_path('helvB08.pil')
    self.font = None
