def __init__(self, radius, colour=None, line_width=None, position=None,
anti_aliasing=None):
"""Create a circle.
Parameters
----------
radius : int
radius of the circle
colour : (int,int,int), optional
colour of the circle
line_width : int, optional
line width in pixels; 0 or a value larger the radius will result
in a filled circle
position : (int, int), optional
position of the stimulus
anti_aliasing : int, optional
anti aliasing parameter (good anti_aliasing with 10)
"""
self._radius = radius
if position is None:
position = defaults.circle_position
if colour is None:
colour = defaults.circle_colour
if line_width is None:
line_width = defaults.circle_line_width
elif line_width < 0 or line_width >= self._radius:
raise AttributeError("line_width must be >= 0 and < radius!")
if anti_aliasing is not None:
self._anti_aliasing = anti_aliasing
else:
self._anti_aliasing = defaults.circle_anti_aliasing
Ellipse.__init__(self, [radius, radius], colour, line_width,
position, anti_aliasing)
def __init__(self, diameter, colour=None, line_width=None, position=None):
"""Create a circle.
Parameters
----------
diameter : int
diameter of the circle
colour : (int,int,int), optional
colour of the circle
line_width : int, optional
line width in pixels; 0 or a value large the radius will result
in a filled circle
position : (int, int), optional
position of the stimulus
"""
self._diameter = diameter
self._radius = diameter/2.0
if position is None:
position = defaults.circle_position
if colour is None:
colour = defaults.circle_colour
if line_width is None:
line_width = defaults.circle_line_width
elif line_width < 0 or line_width >= self._diameter/2.0:
raise AttributeError("line_width must be >= 0 and < diameter/2!")
Ellipse.__init__(self, [diameter, diameter], colour, line_width,
position)