def rotation_example():
r1 = shapes.rectangle(100, 100)
r2 = shapes.rectangle(200, 200)
transforms.offset(r2, (400, 0))
r3 = shapes.rectangle(300, 300)
transforms.offset(r3, (800, 0))
tl = TransformLock([r1, r2], ["rotate"])
start = Group([tl, r3])
transforms.offset(start, (500, 0))
mid = copy.deepcopy(start)
end = copy.deepcopy(start)
formatters.Pen(3)(start)
formatters.Pen(2)(mid)
formatters.Pen(1)(end)
transforms.rotate(mid, math.pi / 6, (0, 0))
transforms.rotate(end, math.pi / 3, (0, 0))
o = shapes.circle(100)
return Group([start, mid, end, o])
def test_transformlock_02():
'''A TransformLock can have no tranformations to lock.'''
r = shapes.rectangle(100, 100)
t = TransformLock([r], [])
assert t.lock_transforms == set()
assert t._shapes == [r]
def _transformlock_rectangle_pair(trans_locks):
r1 = shapes.rectangle(100, 100)
r2 = copy.deepcopy(r1)
transforms.offset(r2, (200, 0))
return TransformLock([r1, r2], trans_locks)
def test_transformlock_02():
'''A TransformLock can have no tranformations to lock.'''
r = shapes.rectangle(100, 100)
t = TransformLock([r], [])
assert t.lock_transforms == set()
assert t._shapes == [r]
def _transformlock_rectangle_pair(trans_locks):
r1 = shapes.rectangle(100, 100)
r2 = copy.deepcopy(r1)
transforms.offset(r2, (200, 0))
return TransformLock([r1, r2], trans_locks)
