def test_write_image_Imageio(self):
"""
Tests :func:`colour.io.image.write_image_Imageio` definition.
"""
source_image_path = os.path.join(RESOURCES_DIRECTORY,
'CMS_Test_Pattern.exr')
target_image_path = os.path.join(self._temporary_directory,
'CMS_Test_Pattern.exr')
image = read_image_Imageio(source_image_path)
write_image_Imageio(image, target_image_path)
image = read_image_Imageio(target_image_path)
self.assertTupleEqual(image.shape, (1267, 1274, 3))
self.assertIs(image.dtype, np.dtype('float32'))
def test_write_image_Imageio(self):
"""Test :func:`colour.io.image.write_image_Imageio` definition."""
source_image_path = os.path.join(RESOURCES_DIRECTORY,
"Overflowing_Gradient.png")
target_image_path = os.path.join(self._temporary_directory,
"Overflowing_Gradient.png")
RGB = np.arange(0, 256, 1, dtype=np.uint8)[np.newaxis] * 2
write_image_Imageio(RGB, target_image_path, bit_depth="uint8")
image = read_image_Imageio(source_image_path, bit_depth="uint8")
np.testing.assert_equal(np.squeeze(RGB), image)
source_image_path = os.path.join(RESOURCES_DIRECTORY,
"CMS_Test_Pattern.exr")
target_image_path = os.path.join(self._temporary_directory,
"CMS_Test_Pattern.exr")
image = read_image_Imageio(source_image_path)
write_image_Imageio(image, target_image_path)
image = read_image_Imageio(target_image_path)
self.assertTupleEqual(image.shape, (1267, 1274, 3))
self.assertIs(image.dtype, np.dtype("float32"))
def test_read_image_Imageio(self):
"""
Tests :func:`colour.io.image.read_image_Imageio` definition.
"""
image = read_image_Imageio(
os.path.join(RESOURCES_DIRECTORY, 'CMS_Test_Pattern.exr'))
self.assertTupleEqual(image.shape, (1267, 1274, 3))
self.assertIs(image.dtype, np.dtype('float32'))
image = read_image_Imageio(
os.path.join(RESOURCES_DIRECTORY, 'CMS_Test_Pattern.exr'),
'float16')
self.assertTupleEqual(image.shape, (1267, 1274, 3))
self.assertIs(image.dtype, np.dtype('float16'))
image = read_image_Imageio(
os.path.join(RESOURCES_DIRECTORY, 'Single_Channel.exr'))
self.assertTupleEqual(image.shape, (256, 256))
image = read_image_Imageio(
os.path.join(RESOURCES_DIRECTORY, 'Colour_Logo.png'), 'uint8')
self.assertTupleEqual(image.shape, (128, 256, 4))
self.assertIs(image.dtype, np.dtype('uint8'))
self.assertEqual(np.min(image), 0)
self.assertEqual(np.max(image), 255)
image = read_image_Imageio(
os.path.join(RESOURCES_DIRECTORY, 'Colour_Logo.png'), 'uint16')
self.assertTupleEqual(image.shape, (128, 256, 4))
self.assertIs(image.dtype, np.dtype('uint16'))
self.assertEqual(np.min(image), 0)
self.assertEqual(np.max(image), 65535)
image = read_image_Imageio(
os.path.join(RESOURCES_DIRECTORY, 'Colour_Logo.png'), 'float16')
self.assertIs(image.dtype, np.dtype('float16'))
self.assertEqual(np.min(image), 0.0)
self.assertEqual(np.max(image), 1.0)
image = read_image_Imageio(
os.path.join(RESOURCES_DIRECTORY, 'Colour_Logo.png'), 'float32')
self.assertIs(image.dtype, np.dtype('float32'))
self.assertEqual(np.min(image), 0.0)
self.assertEqual(np.max(image), 1.0)