mirror of
https://github.com/python-pillow/Pillow.git
synced 2025-11-01 00:17:27 +03:00
70 lines
1.7 KiB
Python
70 lines
1.7 KiB
Python
from __future__ import annotations
|
|
|
|
import warnings
|
|
from typing import Generator
|
|
|
|
import pytest
|
|
|
|
from PIL import Image
|
|
|
|
with warnings.catch_warnings():
|
|
warnings.simplefilter("ignore", category=DeprecationWarning)
|
|
from PIL import ImageQt
|
|
|
|
from .helper import assert_image_equal, hopper
|
|
|
|
pytestmark = pytest.mark.skipif(
|
|
not ImageQt.qt_is_installed, reason="Qt bindings are not installed"
|
|
)
|
|
|
|
|
|
@pytest.fixture
|
|
def test_images() -> Generator[Image.Image, None, None]:
|
|
ims = [
|
|
hopper(),
|
|
Image.open("Tests/images/transparent.png"),
|
|
Image.open("Tests/images/7x13.png"),
|
|
]
|
|
try:
|
|
yield ims
|
|
finally:
|
|
for im in ims:
|
|
im.close()
|
|
|
|
|
|
def roundtrip(expected: Image.Image) -> None:
|
|
# PIL -> Qt
|
|
intermediate = expected.toqimage()
|
|
# Qt -> PIL
|
|
result = ImageQt.fromqimage(intermediate)
|
|
|
|
if intermediate.hasAlphaChannel():
|
|
assert_image_equal(result, expected.convert("RGBA"))
|
|
else:
|
|
assert_image_equal(result, expected.convert("RGB"))
|
|
|
|
|
|
def test_sanity_1(test_images: Generator[Image.Image, None, None]) -> None:
|
|
for im in test_images:
|
|
roundtrip(im.convert("1"))
|
|
|
|
|
|
def test_sanity_rgb(test_images: Generator[Image.Image, None, None]) -> None:
|
|
for im in test_images:
|
|
roundtrip(im.convert("RGB"))
|
|
|
|
|
|
def test_sanity_rgba(test_images: Generator[Image.Image, None, None]) -> None:
|
|
for im in test_images:
|
|
roundtrip(im.convert("RGBA"))
|
|
|
|
|
|
def test_sanity_l(test_images: Generator[Image.Image, None, None]) -> None:
|
|
for im in test_images:
|
|
roundtrip(im.convert("L"))
|
|
|
|
|
|
def test_sanity_p(test_images: Generator[Image.Image, None, None]) -> None:
|
|
for im in test_images:
|
|
roundtrip(im.convert("P"))
|