def test_zero_size_from_threshold(self):
a = [16, 24, 32]
sizes = ((100, 0), (0, 100), (0, 0))
for size in sizes:
for i in a:
surf = pygame.surface.Surface(size, 0, i)
surf.fill((100, 50, 200), (20, 20, 20, 20))
mask = pygame.mask.from_threshold(surf, (100, 50, 200, 255), (10, 10, 10, 255))
self.assertEqual(mask.count(), 0)
rects = mask.get_bounding_rects()
self.assertEqual(rects, [])
for i in a:
surf = pygame.surface.Surface(size, 0, i)
surf2 = pygame.surface.Surface(size, 0, i)
surf.fill((100, 100, 100))
surf2.fill((150, 150, 150))
surf2.fill((100, 100, 100), (40, 40, 10, 10))
mask = pygame.mask.from_threshold(surf, (0, 0, 0, 0), (10, 10, 10, 255), surf2)
self.assertEqual(mask.count(), 0)
rects = mask.get_bounding_rects()
self.assertEqual(rects, [])
def test_from_threshold(self):
""" Does mask.from_threshold() work correctly?
"""
a = [16, 24, 32]
for i in a:
surf = pygame.surface.Surface((70,70), 0, i)
surf.fill((100,50,200),(20,20,20,20))
mask = pygame.mask.from_threshold(surf,(100,50,200,255),(10,10,10,255))
rects = mask.get_bounding_rects()
self.assertEqual(mask.count(), 400)
self.assertEqual(mask.get_bounding_rects(), [pygame.Rect((20,20,20,20))])
for i in a:
surf = pygame.surface.Surface((70,70), 0, i)
surf2 = pygame.surface.Surface((70,70), 0, i)
surf.fill((100,100,100))
surf2.fill((150,150,150))
surf2.fill((100,100,100), (40,40,10,10))
mask = pygame.mask.from_threshold(surf, (0,0,0,0), (10,10,10,255), surf2)
self.assertEqual(mask.count(), 100)
self.assertEqual(mask.get_bounding_rects(), [pygame.Rect((40,40,10,10))])
def test_zero_mask_count(self):
sizes = ((100, 0), (0, 100), (0, 0))
for size in sizes:
mask = pygame.mask.Mask(size)
mask.fill()
self.assertEqual(mask.count(), 0)
def test_count__empty_mask(self):
"""Ensure an empty mask's set bits are correctly counted."""
expected_count = 0
mask = pygame.mask.Mask((13, 27))
self.assertEqual(mask.count(), expected_count)
def test_count__full_mask(self):
"""Ensure a full mask's set bits are correctly counted."""
width, height = 17, 97
expected_count = width * height
mask = pygame.mask.Mask((width, height), fill=True)
self.assertEqual(mask.count(), expected_count)
def test_clear(self):
"""Ensure a mask can be cleared."""
expected_count = 0
mask = pygame.mask.Mask((13, 27), fill=True)
mask.clear()
self.assertEqual(mask.count(), expected_count)
def test_fill(self):
"""Ensure a mask can be filled."""
width, height = 11, 23
expected_count = width * height
mask = pygame.mask.Mask((width, height))
mask.fill()
self.assertEqual(mask.count(), expected_count)
def test_count(self):
"""Ensure a mask's set bits are correctly counted."""
side = 67
mask = pygame.mask.Mask((side, side))
expected_count = 0
for i in range(side):
expected_count += 1
mask.set_at((i, i))
self.assertEqual(mask.count(), expected_count)
def test_mask__fill_arg(self):
"""Ensure masks are created correctly using a fill arg."""
width, height = 59, 71
expected_size = (width, height)
fill_counts = {True: width * height, False: 0}
for fill, expected_count in fill_counts.items():
mask = pygame.mask.Mask(expected_size, fill)
self.assertEqual(mask.count(), expected_count,
'fill={}'.format(fill))
self.assertEqual(mask.get_size(), expected_size,
'fill={}'.format(fill))
def test_from_threshold(self):
""" Does mask.from_threshold() work correctly?
"""
a = [16, 24, 32]
for i in a:
surf = pygame.surface.Surface((70,70), 0, i)
surf.fill((100,50,200),(20,20,20,20))
mask = pygame.mask.from_threshold(surf,(100,50,200,255),(10,10,10,255))
self.assertEqual(mask.count(), 400)
self.assertEqual(mask.get_bounding_rects(), [pygame.Rect((20,20,20,20))])
for i in a:
surf = pygame.surface.Surface((70,70), 0, i)
surf2 = pygame.surface.Surface((70,70), 0, i)
surf.fill((100,100,100))
surf2.fill((150,150,150))
surf2.fill((100,100,100), (40,40,10,10))
mask = pygame.mask.from_threshold(surf, (0,0,0,0), (10,10,10,255), surf2)
self.assertEqual(mask.count(), 100)
self.assertEqual(mask.get_bounding_rects(), [pygame.Rect((40,40,10,10))])