def test_RGB_to_HEX(self):
"""Test :func:`colour.notation.hexadecimal.RGB_to_HEX` definition."""
self.assertEqual(
RGB_to_HEX(np.array([0.45620519, 0.03081071, 0.04091952])),
"#74070a",
)
self.assertEqual(
RGB_to_HEX(np.array([0.00000000, 0.00000000, 0.00000000])),
"#000000",
)
self.assertEqual(
RGB_to_HEX(np.array([1.00000000, 1.00000000, 1.00000000])),
"#ffffff",
)
np.testing.assert_equal(
RGB_to_HEX(
np.array([
[10.00000000, 1.00000000, 1.00000000],
[1.00000000, 1.00000000, 1.00000000],
[0.00000000, 1.00000000, 0.00000000],
])),
["#fe0e0e", "#0e0e0e", "#000e00"],
)
def test_domain_range_scale_RGB_to_HEX(self):
"""
Test :func:`colour.notation.hexadecimal.RGB_to_HEX` definition domain
and range scale support.
"""
RGB = np.array([0.45620519, 0.03081071, 0.04091952])
HEX = RGB_to_HEX(RGB)
d_r = (("reference", 1), ("1", 1), ("100", 100))
for scale, factor in d_r:
with domain_range_scale(scale):
self.assertEqual(RGB_to_HEX(RGB * factor), HEX)
def test_nan_RGB_to_HEX(self):
"""
Test :func:`colour.notation.hexadecimal.RGB_to_HEX` 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:
RGB = np.array(case)
RGB_to_HEX(RGB)
def test_RGB_to_HEX(self):
"""
Tests :func:`colour.notation.hexadecimal.RGB_to_HEX` definition.
"""
self.assertEqual(
RGB_to_HEX(np.array([0.45620519, 0.03081071, 0.04091952])),
'#74070a')
self.assertEqual(
RGB_to_HEX(np.array([0.00000000, 0.00000000, 0.00000000])),
'#000000')
self.assertEqual(
RGB_to_HEX(np.array([1.00000000, 1.00000000, 1.00000000])),
'#ffffff')
np.testing.assert_equal(
RGB_to_HEX(
np.array([
[10.00000000, 1.00000000, 1.00000000],
[1.00000000, 1.00000000, 1.00000000],
[0.00000000, 1.00000000, 0.00000000],
])), ['#fe0e0e', '#0e0e0e', '#000e00'])
def test_n_dimensional_RGB_to_HEX(self):
"""
Test :func:`colour.notation.hexadecimal.RGB_to_HEX` definition
n-dimensional arrays support.
"""
RGB = np.array([0.45620519, 0.03081071, 0.04091952])
HEX = RGB_to_HEX(RGB)
RGB = np.tile(RGB, (6, 1))
HEX = np.tile(HEX, 6)
self.assertListEqual(RGB_to_HEX(RGB).tolist(), HEX.tolist())
RGB = np.reshape(RGB, (2, 3, 3))
HEX = np.reshape(HEX, (2, 3))
self.assertListEqual(RGB_to_HEX(RGB).tolist(), HEX.tolist())