def test_fix15_to_uint8_opaque(self):
"""Fully opaque tile stays fully opaque"""
src = np.zeros((N, N, 4), 'uint16')
src[:, :, 3] = 1 << 15
src[:, :, :3] = np.random.randint(0, 1 << 15, (N, N, 3))
dst = np.zeros((N, N, 4), 'uint8')
mypaintlib.tile_convert_rgba16_to_rgba8(src, dst)
self.assertTrue((dst[:, :, 3] == 255).all(), msg="Not fully opaque")
def test_fix15_to_uint8_opaque(self):
"""Fully opaque tile stays fully opaque"""
src = np.zeros((N, N, 4), 'uint16')
src[:, :, 3] = 1 << 15
src[:, :, :3] = np.random.randint(0, 1 << 15, (N, N, 3))
dst = np.zeros((N, N, 4), 'uint8')
mypaintlib.tile_convert_rgba16_to_rgba8(src, dst)
self.assertTrue((dst[:, :, 3] == 255).all(), msg="Not fully opaque")
def tileConversions():
# fully transparent tile stays fully transparent (without noise)
N = mypaintlib.TILE_SIZE
src = np.zeros((N, N, 4), 'uint16')
dst = np.ones((N, N, 4), 'uint8')
mypaintlib.tile_convert_rgba16_to_rgba8(src, dst)
assert not dst.any()
# fully opaque tile stays fully opaque
src[:, :, 3] = 1 << 15
src[:, :, :3] = np.randint(0, 1 << 15, (N, N, 3))
dst = np.zeros((N, N, 4), 'uint8')
mypaintlib.tile_convert_rgba16_to_rgba8(src, dst)
assert (dst[:, :, 3] == 255).all()
def tileConversions():
# fully transparent tile stays fully transparent (without noise)
N = mypaintlib.TILE_SIZE
src = zeros((N, N, 4), 'uint16')
dst = ones((N, N, 4), 'uint8')
mypaintlib.tile_convert_rgba16_to_rgba8(src, dst)
assert not dst.any()
# fully opaque tile stays fully opaque
src[:,:,3] = 1<<15
src[:,:,:3] = randint(0, 1<<15, (N, N, 3))
dst = zeros((N, N, 4), 'uint8')
mypaintlib.tile_convert_rgba16_to_rgba8(src, dst)
assert (dst[:,:,3] == 255).all()
def test_fix15_to_int8_transparent(self):
"""Fully transparent tile stays fully transparent, without noise"""
src = np.zeros((N, N, 4), 'uint16')
dst = np.ones((N, N, 4), 'uint8')
mypaintlib.tile_convert_rgba16_to_rgba8(src, dst)
self.assertFalse(dst.any(), msg="Not fully transparent")
def test_fix15_to_int8_transparent(self):
"""Fully transparent tile stays fully transparent, without noise"""
src = np.zeros((N, N, 4), 'uint16')
dst = np.ones((N, N, 4), 'uint8')
mypaintlib.tile_convert_rgba16_to_rgba8(src, dst)
self.assertFalse(dst.any(), msg="Not fully transparent")
