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)