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import pytest | ||
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from PIL import ImageQt | ||
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from .helper import assert_image_equal, hopper | ||
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if ImageQt.qt_is_installed: | ||
from PIL.ImageQt import QPixmap | ||
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if ImageQt.qt_version == "5": | ||
from PyQt5 import QtGui | ||
from PyQt5.QtWidgets import QApplication, QHBoxLayout, QLabel, QWidget | ||
elif ImageQt.qt_version == "side2": | ||
from PySide2 import QtGui | ||
from PySide2.QtWidgets import QApplication, QHBoxLayout, QLabel, QWidget | ||
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class Example(QWidget): | ||
def __init__(self): | ||
super().__init__() | ||
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img = hopper().resize((1000, 1000)) | ||
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qimage = ImageQt.ImageQt(img) | ||
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pixmap1 = QtGui.QPixmap.fromImage(qimage) | ||
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QHBoxLayout(self) # hbox | ||
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lbl = QLabel(self) | ||
# Segfault in the problem | ||
lbl.setPixmap(pixmap1.copy()) | ||
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def roundtrip(expected): | ||
result = ImageQt.fromqpixmap(ImageQt.toqpixmap(expected)) | ||
# Qt saves all pixmaps as rgb | ||
assert_image_equal(result, expected.convert("RGB")) | ||
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@pytest.mark.skipif(not ImageQt.qt_is_installed, reason="Qt bindings are not installed") | ||
def test_sanity(tmp_path): | ||
# Segfault test | ||
app = QApplication([]) | ||
ex = Example() | ||
assert app # Silence warning | ||
assert ex # Silence warning | ||
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for mode in ("1", "RGB", "RGBA", "L", "P"): | ||
# to QPixmap | ||
data = ImageQt.toqpixmap(hopper(mode)) | ||
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assert isinstance(data, QPixmap) | ||
assert not data.isNull() | ||
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# Test saving the file | ||
tempfile = str(tmp_path / f"temp_{mode}.png") | ||
data.save(tempfile) | ||
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# from QPixmap | ||
roundtrip(hopper(mode)) | ||
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app.quit() | ||
app = None |
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