def test_domain_range_scale_CMY_to_CMYK(self):
"""
Tests :func:`colour.models.rgb.deprecated.CMY_to_CMYK` definition
domain and range scale support.
"""
CMY = np.array([0.54379481, 0.96918929, 0.95908048])
CMYK = CMY_to_CMYK(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_CMYK(CMY * factor), CMYK * factor, decimal=7)
def test_n_dimensional_CMY_to_CMYK(self):
"""
Tests :func:`colour.models.rgb.deprecated.CMY_to_CMYK` definition
n-dimensional arrays support.
"""
CMY = np.array([0.54379481, 0.96918929, 0.95908048])
CMYK = CMY_to_CMYK(CMY)
CMY = np.tile(CMY, (6, 1))
CMYK = np.tile(CMYK, (6, 1))
np.testing.assert_almost_equal(CMY_to_CMYK(CMY), CMYK, decimal=7)
CMY = np.reshape(CMY, (2, 3, 3))
CMYK = np.reshape(CMYK, (2, 3, 4))
np.testing.assert_almost_equal(CMY_to_CMYK(CMY), CMYK, decimal=7)
def test_n_dimensional_CMY_to_CMYK(self):
"""
Tests :func:`colour.models.rgb.deprecated.CMY_to_CMYK` definition
n-dimensional arrays support.
"""
CMY = np.array([0.75000000, 0.40000000, 0.95000000])
CMYK = np.array([0.58333333, 0.00000000, 0.91666667, 0.40000000])
np.testing.assert_almost_equal(CMY_to_CMYK(CMY), CMYK, decimal=7)
CMY = np.tile(CMY, (6, 1))
CMYK = np.tile(CMYK, (6, 1))
np.testing.assert_almost_equal(CMY_to_CMYK(CMY), CMYK, decimal=7)
CMY = np.reshape(CMY, (2, 3, 3))
CMYK = np.reshape(CMYK, (2, 3, 4))
np.testing.assert_almost_equal(CMY_to_CMYK(CMY), CMYK, decimal=7)
def test_CMY_to_CMYK(self):
"""
Tests :func:`colour.models.rgb.deprecated.CMY_to_CMYK` definition.
"""
np.testing.assert_almost_equal(
CMY_to_CMYK(np.array([0.75000000, 0.40000000, 0.95000000])),
np.array([0.58333333, 0.00000000, 0.91666667, 0.40000000]),
decimal=7)
np.testing.assert_almost_equal(
CMY_to_CMYK(np.array([0.15000000, 1.00000000, 1.00000000])),
np.array([0.00000000, 1.00000000, 1.00000000, 0.15000000]),
decimal=7)
np.testing.assert_almost_equal(
CMY_to_CMYK(np.array([0.15000000, 0.00000000, 0.00000000])),
np.array([0.15000000, 0.00000000, 0.00000000, 0.00000000]),
decimal=7)
def test_CMY_to_CMYK(self):
"""
Tests :func:`colour.models.rgb.deprecated.CMY_to_CMYK` definition.
"""
np.testing.assert_almost_equal(
CMY_to_CMYK(np.array([0.54379481, 0.96918929, 0.95908048])),
np.array([0.00000000, 0.93246304, 0.91030457, 0.54379481]),
decimal=7)
np.testing.assert_almost_equal(
CMY_to_CMYK(np.array([0.15000000, 1.00000000, 1.00000000])),
np.array([0.00000000, 1.00000000, 1.00000000, 0.15000000]),
decimal=7)
np.testing.assert_almost_equal(
CMY_to_CMYK(np.array([0.15000000, 0.00000000, 0.00000000])),
np.array([0.15000000, 0.00000000, 0.00000000, 0.00000000]),
decimal=7)
def test_nan_CMY_to_CMYK(self):
"""
Tests :func:`colour.models.rgb.deprecated.CMY_to_CMYK` 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_CMYK(CMY)