'Initialize the flipper, causes the flipper to show itself displaying
the full `image`.
:param image: The image to display as background
:param forwards: If True flipper will flip forwards, otherwise
backwards'

def initialize(self, image, forwards=True):

    self.flip_forwards = forwards
    self.before_image = QPixmap.fromImage(image)
    self.after_image = None
    self.setGeometry(0, 0, image.width(), image.height())
    self.setVisible(True)
