def test_approximate_curves():
path = Path()
path.curve_to((2, 0), (0, 1), (2, 1))
vertices = list(path.approximate(10))
assert len(vertices) == 11
assert vertices[0] == (0, 0)
assert vertices[-1] == (2, 0)
def test_has_clockwise_orientation():
# basic has_clockwise_orientation() function is tested in:
# test_617_clockwise_orientation
path = Path.from_vertices([(0, 0), (1, 0), (1, 1), (0, 1)])
assert path.has_clockwise_orientation() is True
path = Path()
path.line_to((2, 0))
path.curve_to((4, 0), (2, 1), (4, 1)) # end, ctrl1, ctrl2
assert path.has_clockwise_orientation() is False
def test_transform():
path = Path()
path.line_to((2, 0))
path.curve_to((4, 0), (2, 1), (4, 1))
p2 = path.transform(Matrix44.translate(1, 1, 0))
assert p2.start == (1, 1)
assert p2[0][1] == (3, 1) # line to location
assert p2[1][1] == (5, 1) # cubic to location
assert p2[1][2] == (3, 2) # cubic ctrl1
assert p2[1][3] == (5, 2) # cubic ctrl2
assert p2.end == (5, 1)
def test_reversing_one_curve():
p = Path()
p.curve_to((3, 0), (1, 1), (2, 1))
p2 = list(p.reversed().control_vertices())
assert p2 == [(3, 0), (2, 1), (1, 1), (0, 0)]
def p1():
path = Path()
path.line_to((2, 0))
path.curve_to((4, 0), (2, 1), (4, 1)) # end, ctrl1, ctrl2
return path
def test_curve_to():
path = Path()
path.curve_to((1, 2, 3), (0, 1, 0), (0, 2, 0))
assert path[0] == ((1, 2, 3), (0, 1, 0), (0, 2, 0))
assert path.end == (1, 2, 3)
def test_curve_to():
path = Path()
path.curve_to((1, 2, 3), (0, 1, 0), (0, 2, 0))
assert path[0] == (Command.CURVE_TO, (1, 2, 3), (0, 1, 0), (0, 2, 0))
assert path.end == (1, 2, 3)
