def test_single_rect(self):
frame = Rect(Point(0, 0), Point(42, 42))
rects = [Rect(Point(0, 0), Point(21, 42))]
c_rects = get_complement(frame, rects)
self.assertEqual(len(c_rects), 1)
self.assertEqual(c_rects[0], Rect(Point(21, 0), Point(42, 42)))
def test_already_full_multiple_rect_horizontal(self):
frame = Rect(Point(0, 0), Point(42, 42))
rects = [
Rect(Point(0, 0), Point(42, 21)),
Rect(Point(0, 21), Point(42, 42))
]
c_rects = get_complement(frame, rects)
self.assertEqual(len(c_rects), 0)
def test_random(self):
for _ in range(100):
num_inners = np.random.randint(100)
frame = gen_random_frame()
rects = generate_random_inner_rects(num_inners, frame)
comp_rects = get_complement(frame, rects)
total_area = frame.area()
area_sum = sum(r.area() for r in comp_rects)
area_sum += sum(r.area() for r in rects)
self.assertAlmostEqual(total_area, area_sum, places=4)
#!/usr/bin/env python3
from rect_comp import Point, Rect, get_intersection, get_complement, get_intersect_points
# a demonstation of the API
frame = Rect(Point(0, 0), Point(100, 100))
r1 = Rect(Point(13, 13), Point(20, 25))
r2 = Rect(Point(27, 17), Point(45, 42))
r3 = Rect(Point(32, 50), Point(63, 70))
crects = get_complement(frame, [r1, r2, r3])
print(
'The complementary rectangle set (each represented by its botton left and top right corners:'
)
for r in crects:
print(r)
def test_empty_case(self):
frame = Rect(Point(0, 0), Point(42, 42))
rects = []
c_rects = get_complement(frame, rects)
self.assertEqual(len(c_rects), 1)
self.assertEqual(c_rects[0], frame)
def test_already_full_single_rect(self):
frame = Rect(Point(0, 0), Point(42, 42))
rects = [Rect(Point(0, 0), Point(42, 42))]
c_rects = get_complement(frame, rects)
self.assertEqual(len(c_rects), 0)