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from __future__ import annotations
from PIL import Image
def test_white() -> None:
with Image.open("Tests/images/lab.tif") as i:
i.load()
assert i.mode == "LAB"
assert i.getbands() == ("L", "A", "B")
k = i.getpixel((0, 0))
L = i.get_flattened_data(0)
a = i.get_flattened_data(1)
b = i.get_flattened_data(2)
assert k == (255, 128, 128)
assert L == (255,) * 100
assert a == (128,) * 100
assert b == (128,) * 100
def test_green() -> None:
# l= 50 (/100), a = -100 (-128 .. 128) b=0 in PS
# == RGB: 0, 152, 117
with Image.open("Tests/images/lab-green.tif") as i:
k = i.getpixel((0, 0))
assert k == (128, 28, 128)
def test_red() -> None:
# l= 50 (/100), a = 100 (-128 .. 128) b=0 in PS
# == RGB: 255, 0, 124
with Image.open("Tests/images/lab-red.tif") as i:
k = i.getpixel((0, 0))
assert k == (128, 228, 128)
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