def test_path_and_fill(canvas):
canvas.draw_path([Point(0, 0), Point(0.5, 0.5),
Point(1, 0)],
close_path=True)
canvas.fill()
canvas.stroke()
canvas.clip()
def test_point_from_polar():
assert Point(0, 0) == Point.from_polar(0, 0)
assert Point(0, 0) == Point.from_polar(0, 1)
assert Point(1, 0) == Point.from_polar(1, 0)
assert pytest.approx(list(Point(-2, 0))) == list(Point.from_polar(2, pi))
assert pytest.approx(list(Point(1, 1))) == list(
Point.from_polar(sqrt(2), pi / 4))
def main() -> None:
circles = []
for i, j in product(range(1, N + 1), repeat=2):
circle = Circle(Point(i / (N + 1), j / (N + 1)), 1 / (3 * (N + 1)))
circles.append(circle)
canvas = Canvas(RESOLUTION, RESOLUTION)
canvas.set_background(WHITE)
canvas.set_black()
canvas.set_line_width(0.01)
for circle in circles:
canvas.draw_circle(circle)
canvas.stroke()
dir_path = os.path.dirname(os.path.realpath(__file__))
canvas.write_to_png(f"{dir_path}/output/circles.png")
def main():
canvas = Canvas(RESOLUTION)
canvas.set_background(WHITE)
canvas.set_black()
canvas.set_line_width(0.1)
canvas.set_line_cap(LineCap.ROUND)
canvas.draw_path([Point(1 / 4, 1 / 4), Point(1 / 4, 3 / 4)])
canvas.stroke()
canvas.set_line_cap(LineCap.BUTT)
canvas.draw_path([Point(1 / 2, 1 / 4), Point(1 / 2, 3 / 4)])
canvas.stroke()
canvas.set_line_cap(LineCap.SQUARE)
canvas.draw_path([Point(3 / 4, 1 / 4), Point(3 / 4, 3 / 4)])
canvas.stroke()
dir_path = os.path.dirname(os.path.realpath(__file__))
canvas.write_to_png(f"{dir_path}/output/lines.png")
def test_circle(canvas, fill, stroke):
canvas.draw_circle(Circle(Point(0.5, 0.5), 0.1), fill=fill, stroke=stroke)
def get_points(dt: float) -> Iterable[Point]:
for t in float_range(0, 1, dt):
yield Point(t, sin(2 * pi * t) / 3 + 1 / 2)
def test_polygon():
p = Polygon((0, 0), (1, 1))
assert p.get_centre() == Point(0.5, 0.5)
assert [Point(0, 0), Point(1, 1)] == list(p)
def test_circle():
assert Circle(Point(1, 1), 1).intersects(Circle(Point(0, 0), 1))
assert not Circle(Point(1, 1), 0.5).intersects(Circle(Point(0, 0), 0.5))
def test_point():
assert Point(1, 1) == Point(1, 0) + Point(0, 1)
assert Point(2, 1) - Point(1, 1) == Point(1, 0)
assert (0, 1) == tuple(Point(0, 1))