def test_transformlock_transforms_scale_01():
'''Shapes under a TrsnformLock are not scaled under a scale transform
they are just offset to the scale point.'''
t = scale_locked_rectangle_pair()
transforms.offset(t, (200, 0))
assert_scaling_preserves_diff(t)
assert_scaling_changes_coords(t)
def test_transformlock_transforms_rotate_02():
'''Locks work within groups.'''
t = rotation_locked_rectangle_pair()
g = Group([Group([t])])
transforms.offset(g, (200, 0))
assert_rotation_preserves_diff(g)
assert_rotation_changes_coords(g)
def test_transformlock_transforms_scale_01():
'''Shapes under a TrsnformLock are not scaled under a scale transform
they are just offset to the scale point.'''
t = scale_locked_rectangle_pair()
transforms.offset(t, (200, 0))
assert_scaling_preserves_diff(t)
assert_scaling_changes_coords(t)
def test_transformlock_transforms_rotate_01():
'''Shapes under a TransformLock are not rotated under a rotate transform;
they are just offset to the rotation point.'''
t = rotation_locked_rectangle_pair()
transforms.offset(t, (200, 0))
assert_rotation_preserves_diff(t)
assert_rotation_changes_coords(t)
def test_transformlock_transforms_rotate_02():
'''Locks work within groups.'''
t = rotation_locked_rectangle_pair()
g = Group([Group([t])])
transforms.offset(g, (200, 0))
assert_rotation_preserves_diff(g)
assert_rotation_changes_coords(g)
def test_transformlock_transforms_rotate_01():
'''Shapes under a TransformLock are not rotated under a rotate transform;
they are just offset to the rotation point.'''
t = rotation_locked_rectangle_pair()
transforms.offset(t, (200, 0))
assert_rotation_preserves_diff(t)
assert_rotation_changes_coords(t)
def scale_example():
s1 = shapes.star_outline(100, 100, 4)
transforms.offset(s1, (300, 0))
transforms.rotate(s1, -math.pi / 4)
s2 = shapes.star_outline(100, 100, 6)
transforms.offset(s2, (300, 0))
transforms.rotate(s2, -math.pi / 2)
s3 = shapes.star_outline(100, 100, 9)
transforms.offset(s3, (300, 0))
transforms.rotate(s3, -math.pi * 3 / 4)
tl = TransformLock([s1, s2], ["scale"])
start = Group([tl, s3])
mid = copy.deepcopy(start)
end = copy.deepcopy(start)
formatters.Pen(3)(start)
formatters.Pen(2)(mid)
formatters.Pen(1)(end)
transforms.scale(mid, 2)
transforms.scale(end, 3)
o = shapes.circle(100)
return Group([start, mid, end, o])
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_transforms_rotate_03():
'''Scaling affects rotation-locked shapes.'''
t = rotation_locked_rectangle_pair()
transforms.offset(t, (200, 0))
assert_scaling_affects_rotation_locked_shapes(t)
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_transforms_rotate_03():
'''Scaling affects rotation-locked shapes.'''
t = rotation_locked_rectangle_pair()
transforms.offset(t, (200, 0))
assert_scaling_affects_rotation_locked_shapes(t)
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)
