def test_sanity(self):
im = Image.open(TEST_FILE)
im.load()
self.assertEqual(im.mode, "RGBA")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "MIC")
# Adjust for the gamma of 2.2 encoded into the file
lut = ImagePalette.make_gamma_lut(1/2.2)
im = Image.merge('RGBA', [chan.point(lut) for chan in im.split()])
im2 = hopper("RGBA")
self.assert_image_similar(im, im2, 10)
def test_sanity(self):
im = Image.open(TEST_FILE)
im.load()
self.assertEqual(im.mode, "RGBA")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "MIC")
# Adjust for the gamma of 2.2 encoded into the file
lut = ImagePalette.make_gamma_lut(1/2.2)
im = Image.merge('RGBA', [chan.point(lut) for chan in im.split()])
im2 = hopper("RGBA")
self.assert_image_similar(im, im2, 10)
def test_sanity():
with Image.open(TEST_FILE) as im:
im.load()
assert im.mode == "RGBA"
assert im.size == (128, 128)
assert im.format == "MIC"
# Adjust for the gamma of 2.2 encoded into the file
lut = ImagePalette.make_gamma_lut(1 / 2.2)
im = Image.merge("RGBA", [chan.point(lut) for chan in im.split()])
im2 = hopper("RGBA")
assert_image_similar(im, im2, 10)
def test_make_gamma_lut():
# Arrange
exp = 5
# Act
lut = ImagePalette.make_gamma_lut(exp)
# Assert
assert isinstance(lut, list)
assert len(lut) == 256
# Check a few values
assert lut[0] == 0
assert lut[63] == 0
assert lut[127] == 8
assert lut[191] == 60
assert lut[255] == 255
def test_make_gamma_lut(self):
# Arrange
exp = 5
# Act
lut = ImagePalette.make_gamma_lut(exp)
# Assert
self.assertIsInstance(lut, list)
self.assertEqual(len(lut), 256)
# Check a few values
self.assertEqual(lut[0], 0)
self.assertEqual(lut[63], 0)
self.assertEqual(lut[127], 8)
self.assertEqual(lut[191], 60)
self.assertEqual(lut[255], 255)
