def test_pygame2_mask_Mask_draw(self):
# __doc__ (as of 2008-11-03) for pygame2.mask.Mask.draw:
# Mask.draw (mask, x, y) -> None
#
# Draws the passed Mask onto the Mask.
#
# This performs a bitwise OR operation upon the calling Mask. The
# passed mask's start offset for the draw operation will be the x and
# y offset passed to the method.
m = Mask (100, 100)
self.assertEqual(m.count, 0)
m.fill()
self.assertEqual(m.count, 10000)
m2 = Mask (10,10)
m2.fill()
m.erase (m2, (50, 50))
self.assertEqual(m.count, 9900)
m.invert()
self.assertEqual(m.count, 100)
m.draw(m2, (0,0))
self.assertEqual(m.count, 200)
m.clear()
self.assertEqual(m.count, 0)
def test_convolve__with_output(self):
"""checks that convolution modifies only the correct portion of
the output"""
m = random_mask((10,10))
k = Mask((2,2))
k.set_at((0,0))
o = Mask((50,50))
test = Mask((50,50))
m.convolve(k,o)
test.draw(m,(1,1))
self.assertMaskEquals(o, test)
o.clear()
test.clear()
m.convolve(k,o, (10,10))
test.draw(m,(11,11))
self.assertMaskEquals(o, test)
def test_drawing (self):
""" Test fill, clear, invert, draw, erase
"""
m = Mask((100,100))
self.assertEqual(m.count, 0)
m.fill()
self.assertEqual(m.count, 10000)
m2 = Mask((10,10))
m2.fill()
m.erase(m2, (50,50))
self.assertEqual(m.count, 9900)
m.invert()
self.assertEqual(m.count, 100)
m.draw(m2, (0,0))
self.assertEqual(m.count, 200)
m.clear()
self.assertEqual(m.count, 0)
