'Draw a bezier curve based on a control point and the a number of stapes
color - The object\'s color as a simple CVColor object, if no value  is sepcified
the default is used.
alpha - The alpha blending for the object. If this value is -1 then the
layer default value is used. A value of 255 means opaque, while 0
means transparent
Parameters:
points - list
steps - Int
color - Color object or Color Tuple
alpha - Int'

def bezier(self, points, steps, color=Color.DEFAULT, alpha=(-1)):

    pg.gfxdraw.bezier(self._mSurface, points, steps, self._csvRGB2pgColor(color, alpha))
    return None
