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#!/usr/bin/env python
"""
A Rectangle stimulus.
This module contains a class implementing a rectangle stimulus.
"""
__author__ = 'Florian Krause <florian@expyriment.org>, \
Oliver Lindemann <oliver@expyriment.org>'
__version__ = '0.7.0'
__revision__ = '55a4e7e'
__date__ = 'Wed Mar 26 14:33:37 2014 +0100'
import defaults
from expyriment.stimuli._shape import Shape
import expyriment
class PolygonRectangle(Shape):
"""A class implementing a rectangle stimulus."""
def __init__(self, size, position=None, colour=None, anti_aliasing=None):
"""Create a filled rectangle.
Parameters
----------
size : (int, int)
size (width, height) of the Rectangle
position : (int, int), optional
position of the stimulus
colour : (int, int, int), optional
colour of the rectangle
anti_aliasing : int, optional
anti aliasing parameter
"""
if position is None:
position = defaults.polygonrectangle_position
if colour is None:
colour = defaults.polygonrectangle_colour
if colour is None:
colour = expyriment._active_exp.foreground_colour
if anti_aliasing is None:
anti_aliasing = defaults.polygonrectangle_anti_aliasing
Shape.__init__(self, position=position, colour=colour,
line_width=0, anti_aliasing=anti_aliasing)
self.add_vertex((size[0], 0))
self.add_vertex((0, size[1]))
self.add_vertex((-size[0], 0))
if __name__ == "__main__":
from expyriment import control
control.set_develop_mode(True)
defaults.event_logging = 0
exp = control.initialize()
cnvs = Rectangle((20, 200), colour=(255, 0, 255))
cnvs.present()
exp.clock.wait(1000)
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