def test_n_dimensional_YcCbcCrc_to_RGB(self):
"""
Tests :func:`colour.models.rgb.ycbcr.YcCbcCrc_to_RGB` definition
n-dimensional arrays support.
"""
YcCbcCrc = np.array([0.37020379, 0.41137200, 0.77704674])
RGB = YcCbcCrc_to_RGB(YcCbcCrc)
RGB = np.tile(RGB, 4)
RGB = np.reshape(RGB, (4, 3))
YcCbcCrc = np.tile(YcCbcCrc, 4)
YcCbcCrc = np.reshape(YcCbcCrc, (4, 3))
np.testing.assert_almost_equal(YcCbcCrc_to_RGB(YcCbcCrc),
RGB,
decimal=7)
RGB = np.tile(RGB, 4)
RGB = np.reshape(RGB, (4, 4, 3))
YcCbcCrc = np.tile(YcCbcCrc, 4)
YcCbcCrc = np.reshape(YcCbcCrc, (4, 4, 3))
np.testing.assert_almost_equal(YcCbcCrc_to_RGB(YcCbcCrc),
RGB,
decimal=7)
RGB = np.tile(RGB, 4)
RGB = np.reshape(RGB, (4, 4, 4, 3))
YcCbcCrc = np.tile(YcCbcCrc, 4)
YcCbcCrc = np.reshape(YcCbcCrc, (4, 4, 4, 3))
np.testing.assert_almost_equal(YcCbcCrc_to_RGB(YcCbcCrc),
RGB,
decimal=7)
def test_n_dimensional_YcCbcCrc_to_RGB(self):
"""
Tests :func:`colour.models.rgb.ycbcr.YcCbcCrc_to_RGB` definition
n-dimensional arrays support.
"""
YcCbcCrc = np.array([0.69943807, 0.38814348, 0.61264549])
RGB = np.array([0.75767423, 0.50177402, 0.25466201])
np.testing.assert_almost_equal(YcCbcCrc_to_RGB(YcCbcCrc),
RGB,
decimal=7)
RGB = np.tile(RGB, 4)
RGB = np.reshape(RGB, (4, 3))
YcCbcCrc = np.tile(YcCbcCrc, 4)
YcCbcCrc = np.reshape(YcCbcCrc, (4, 3))
np.testing.assert_almost_equal(YcCbcCrc_to_RGB(YcCbcCrc),
RGB,
decimal=7)
RGB = np.tile(RGB, 4)
RGB = np.reshape(RGB, (4, 4, 3))
YcCbcCrc = np.tile(YcCbcCrc, 4)
YcCbcCrc = np.reshape(YcCbcCrc, (4, 4, 3))
np.testing.assert_almost_equal(YcCbcCrc_to_RGB(YcCbcCrc),
RGB,
decimal=7)
RGB = np.tile(RGB, 4)
RGB = np.reshape(RGB, (4, 4, 4, 3))
YcCbcCrc = np.tile(YcCbcCrc, 4)
YcCbcCrc = np.reshape(YcCbcCrc, (4, 4, 4, 3))
np.testing.assert_almost_equal(YcCbcCrc_to_RGB(YcCbcCrc),
RGB,
decimal=7)
def test_domain_range_scale_YcCbcCrc_to_RGB(self):
"""
Test :func:`colour.models.rgb.prismatic.YcCbcCrc_to_RGB` definition
domain and range scale support.
"""
YcCbcCrc = np.array([0.69943807, 0.38814348, 0.61264549])
RGB = YcCbcCrc_to_RGB(YcCbcCrc)
d_r = (("reference", 1), ("1", 1), ("100", 100))
for scale, factor in d_r:
with domain_range_scale(scale):
np.testing.assert_almost_equal(
YcCbcCrc_to_RGB(YcCbcCrc * factor), RGB * factor, decimal=7
)
def test_YcCbcCrc_to_RGB(self):
"""
Tests :func:`colour.models.rgb.ycbcr.YCbCr_to_RGB` definition.
"""
np.testing.assert_almost_equal(
YcCbcCrc_to_RGB(np.array([0.37020379, 0.41137200, 0.77704674])),
np.array([0.45620519, 0.03081071, 0.04091952]),
decimal=7)
np.testing.assert_almost_equal(
YcCbcCrc_to_RGB(np.array([1689, 2048, 2048]),
in_bits=12,
in_legal=True,
in_int=True,
is_12_bits_system=True),
np.array([0.18009037, 0.18009037, 0.18009037]),
decimal=7)
def test_YcCbcCrc_to_RGB(self):
"""
Tests :func:`colour.models.rgb.ycbcr.YCbCr_to_RGB` definition.
"""
np.testing.assert_almost_equal(
YcCbcCrc_to_RGB(np.array([1689, 2048, 2048]),
in_bits=12,
in_legal=True,
in_int=True,
is_12_bits_system=True),
np.array([0.18009037, 0.18009037, 0.18009037]),
decimal=7)
np.testing.assert_almost_equal(
YcCbcCrc_to_RGB(np.array([0.678, 0.4, 0.6])),
np.array([0.69100667, 0.47450469, 0.25583733]),
decimal=7)
def test_nan_YcCbcCrc_to_RGB(self):
"""
Tests :func:`colour.models.rgb.ycbcr.YcCbcCrc_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:
YcCbcCrc = np.array(case)
YcCbcCrc_to_RGB(YcCbcCrc)
