def draw(self):
# general widget bits
s = float(self.size) # abbreviate as we will use this a lot
g = shapes.Group()
# SmileyFace specific bits
g.add(
shapes.Circle(cx=self.x + (s / 2),
cy=self.y + (s / 2),
r=s / 2,
fillColor=self.fillColor,
strokeColor=self.strokeColor,
strokeWidth=max(s / 38., self.strokeWidth)))
for i in (1, 2):
g.add(
shapes.Ellipse(self.x + (s / 3) * i,
self.y + (s / 3) * 2,
s / 30,
s / 10,
fillColor=self.strokeColor,
strokeColor=self.strokeColor,
strokeWidth=max(s / 38., self.strokeWidth)))
# calculate a pointslist for the mouth
# THIS IS A HACK! - don't use if there is a 'shapes.Arc'
centerx = self.x + (s / 2)
centery = self.y + (s / 2)
radius = s / 3
yradius = radius
xradius = radius
startangledegrees = 200
endangledegrees = 340
degreedelta = 1
pointslist = []
a = pointslist.append
from math import sin, cos, pi
degreestoradians = pi / 180.0
radiansdelta = degreedelta * degreestoradians
startangle = startangledegrees * degreestoradians
endangle = endangledegrees * degreestoradians
while endangle < startangle:
endangle = endangle + 2 * pi
angle = startangle
while angle < endangle:
x = centerx + cos(angle) * radius
y = centery + sin(angle) * yradius
a(x)
a(y)
angle = angle + radiansdelta
# make the mouth
smile = shapes.PolyLine(pointslist,
fillColor=self.strokeColor,
strokeColor=self.strokeColor,
strokeWidth=max(s / 38., self.strokeWidth))
g.add(smile)
return g
def testEllipse(self):
s = shapes.Ellipse(100, 50, 10, 5)
assert s.getBounds() == (90, 45, 110, 55)
