def test_domain_range_scale_CMY_to_RGB(self):
"""
Test :func:`colour.models.rgb.cmyk.CMY_to_RGB` definition domain and
range scale support.
"""
CMY = np.array([0.54379481, 0.96918929, 0.95908048])
RGB = CMY_to_RGB(CMY)
d_r = (("reference", 1), ("1", 1), ("100", 100))
for scale, factor in d_r:
with domain_range_scale(scale):
np.testing.assert_almost_equal(CMY_to_RGB(CMY * factor),
RGB * factor,
decimal=7)
def test_n_dimensional_CMY_to_RGB(self):
"""
Test :func:`colour.models.rgb.cmyk.CMY_to_RGB` definition
n-dimensional arrays support.
"""
CMY = np.array([0.54379481, 0.96918929, 0.95908048])
RGB = CMY_to_RGB(CMY)
CMY = np.tile(CMY, (6, 1))
RGB = np.tile(RGB, (6, 1))
np.testing.assert_almost_equal(CMY_to_RGB(CMY), RGB, decimal=7)
CMY = np.reshape(CMY, (2, 3, 3))
RGB = np.reshape(RGB, (2, 3, 3))
np.testing.assert_almost_equal(CMY_to_RGB(CMY), RGB, decimal=7)
def test_nan_CMY_to_RGB(self):
"""Test :func:`colour.models.rgb.cmyk.CMY_to_RGB` definition nan support."""
cases = [-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]
cases = set(permutations(cases * 3, r=3))
for case in cases:
CMY = np.array(case)
CMY_to_RGB(CMY)
def test_CMY_to_RGB(self):
"""
Tests :func:`colour.models.rgb.cmyk.CMY_to_RGB` definition.
"""
np.testing.assert_almost_equal(
CMY_to_RGB(np.array([0.54379481, 0.96918929, 0.95908048])),
np.array([0.45620519, 0.03081071, 0.04091952]),
decimal=7)
np.testing.assert_almost_equal(
CMY_to_RGB(np.array([1.00000000, 1.00000000, 1.00000000])),
np.array([0.00000000, 0.00000000, 0.00000000]),
decimal=7)
np.testing.assert_almost_equal(
CMY_to_RGB(np.array([0.00000000, 0.00000000, 0.00000000])),
np.array([1.00000000, 1.00000000, 1.00000000]),
decimal=7)