from __future__ import annotations import warnings 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" ) ims = [ hopper(), Image.open("Tests/images/transparent.png"), Image.open("Tests/images/7x13.png"), ] def teardown_module() -> None: 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() -> None: for im in ims: roundtrip(im.convert("1")) def test_sanity_rgb() -> None: for im in ims: roundtrip(im.convert("RGB")) def test_sanity_rgba() -> None: for im in ims: roundtrip(im.convert("RGBA")) def test_sanity_l() -> None: for im in ims: roundtrip(im.convert("L")) def test_sanity_p() -> None: for im in ims: roundtrip(im.convert("P"))