mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-11-10 19:56:47 +03:00
63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
from __future__ import annotations
|
|
|
|
from pathlib import Path
|
|
|
|
import pytest
|
|
|
|
from PIL import Image, features
|
|
|
|
from .helper import assert_image_equal, hopper
|
|
|
|
|
|
def test_split() -> None:
|
|
def split(mode: str) -> list[tuple[str, int, int]]:
|
|
layers = hopper(mode).split()
|
|
return [(i.mode, i.size[0], i.size[1]) for i in layers]
|
|
|
|
assert split("1") == [("1", 128, 128)]
|
|
assert split("L") == [("L", 128, 128)]
|
|
assert split("I") == [("I", 128, 128)]
|
|
assert split("F") == [("F", 128, 128)]
|
|
assert split("P") == [("P", 128, 128)]
|
|
assert split("RGB") == [("L", 128, 128), ("L", 128, 128), ("L", 128, 128)]
|
|
assert split("RGBA") == [
|
|
("L", 128, 128),
|
|
("L", 128, 128),
|
|
("L", 128, 128),
|
|
("L", 128, 128),
|
|
]
|
|
assert split("CMYK") == [
|
|
("L", 128, 128),
|
|
("L", 128, 128),
|
|
("L", 128, 128),
|
|
("L", 128, 128),
|
|
]
|
|
assert split("YCbCr") == [("L", 128, 128), ("L", 128, 128), ("L", 128, 128)]
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
"mode", ("1", "L", "I", "F", "P", "RGB", "RGBA", "CMYK", "YCbCr")
|
|
)
|
|
def test_split_merge(mode: str) -> None:
|
|
expected = Image.merge(mode, hopper(mode).split())
|
|
assert_image_equal(hopper(mode), expected)
|
|
|
|
|
|
def test_split_open(tmp_path: Path) -> None:
|
|
if features.check("zlib"):
|
|
test_file = str(tmp_path / "temp.png")
|
|
else:
|
|
test_file = str(tmp_path / "temp.pcx")
|
|
|
|
def split_open(mode: str) -> int:
|
|
hopper(mode).save(test_file)
|
|
with Image.open(test_file) as im:
|
|
return len(im.split())
|
|
|
|
assert split_open("1") == 1
|
|
assert split_open("L") == 1
|
|
assert split_open("P") == 1
|
|
assert split_open("RGB") == 3
|
|
if features.check("zlib"):
|
|
assert split_open("RGBA") == 4
|