def test_correctness(self):
identity = identity_table(16)
image = Image.open(resource('files', 'hald.4.png'))
lut_numpy = load_hald_image(image)
self.assertEqualLuts(lut_numpy, identity)
with disable_numpy(loaders):
lut_pillow = load_hald_image(image)
self.assertEqualLuts(lut_pillow, identity)
def test_application(self):
im = Image.new('RGB', (10, 10))
hald = Image.open(resource('files', 'hald.4.png'))
lut_numpy = load_hald_image(hald)
self.assertEqual(lut_numpy.table.__class__.__name__, 'ndarray')
im.filter(lut_numpy)
with disable_numpy(loaders):
lut_native = load_hald_image(hald)
self.assertEqual(lut_native.table.__class__.__name__, 'list')
im.filter(lut_native)