def test_translation():
pt = PathCanvas()
pt.move_to(100, 100)
pt.translate(1000, 2000)
pt.line_to(10, 20)
assert pt.paths == [
Path([Point(100.0, 100.0), Point(1010.0, 2020.0)]),
]
def test_reflect_xy():
pt = PathCanvas()
pt.move_to(100, 100)
pt.reflect_xy(1000, 2000)
pt.line_to(200, 200)
assert pt.paths == [
Path([Point(100.0, 100.0), Point(1800, 3800)]),
]
def test_reflect_line():
pt = PathCanvas()
pt.move_to(100, 100)
pt.reflect_line(Point(50, -50), Point(150, 50))
pt.line_to(100, 50)
pt.line_to(100, 100)
assert pt.paths == [
Path([Point(100.0, 100.0),
Point(150, 0), Point(200, 0)]),
]
def test_two_segments():
pt = PathCanvas()
pt.move_to(100, 100)
pt.line_to(150, 200)
pt.move_to(17, 17)
pt.rel_line_to(100, 200)
pt.close_path()
assert pt.paths == [
Path([Point(100.0, 100.0), Point(150.0, 200.0)]),
Path([Point(17.0, 17.0),
Point(117.0, 217.0),
Point(17.0, 17.0)]),
]
def test_save_restore():
pt = PathCanvas()
pt.move_to(100, 100)
pt.translate(1000, 2000)
pt.line_to(10, 20)
pt.save()
pt.translate(1, 2)
pt.move_to(1, 2)
pt.line_to(2, 4)
pt.restore()
pt.move_to(1, 2)
pt.line_to(2, 4)
assert pt.paths == [
Path([Point(100.0, 100.0), Point(1010.0, 2020.0)]),
Path([Point(1002.0, 2004.0),
Point(1003.0, 2006.0)]),
Path([Point(1001.0, 2002.0),
Point(1002.0, 2004.0)]),
]