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85 lines
2.5 KiB
Python
85 lines
2.5 KiB
Python
from __future__ import annotations
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from pathlib import Path
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import pytest
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from PIL import Image, ImageQt
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from .helper import assert_image_equal_tofile, assert_image_similar, hopper
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if ImageQt.qt_is_installed:
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from PIL.ImageQt import QPixmap
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if ImageQt.qt_version == "6":
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from PyQt6.QtCore import QPoint
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from PyQt6.QtGui import QImage, QPainter, QRegion
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from PyQt6.QtWidgets import QApplication, QHBoxLayout, QLabel, QWidget
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elif ImageQt.qt_version == "side6":
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from PySide6.QtCore import QPoint
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from PySide6.QtGui import QImage, QPainter, QRegion
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from PySide6.QtWidgets import QApplication, QHBoxLayout, QLabel, QWidget
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class Example(QWidget):
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def __init__(self) -> None:
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super().__init__()
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img = hopper().resize((1000, 1000))
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qimage = ImageQt.ImageQt(img)
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pixmap1 = ImageQt.QPixmap.fromImage(qimage)
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QHBoxLayout(self) # hbox
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lbl = QLabel(self)
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# Segfault in the problem
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lbl.setPixmap(pixmap1.copy())
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def roundtrip(expected: Image.Image) -> None:
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result = ImageQt.fromqpixmap(ImageQt.toqpixmap(expected))
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# Qt saves all pixmaps as rgb
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assert_image_similar(result, expected.convert("RGB"), 1)
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@pytest.mark.skipif(not ImageQt.qt_is_installed, reason="Qt bindings are not installed")
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def test_sanity(tmp_path: Path) -> None:
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# Segfault test
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app: QApplication | None = QApplication([])
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ex = Example()
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assert app # Silence warning
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assert ex # Silence warning
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for mode in ("1", "RGB", "RGBA", "L", "P"):
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# to QPixmap
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im = hopper(mode)
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data = ImageQt.toqpixmap(im)
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assert isinstance(data, QPixmap)
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assert not data.isNull()
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# Test saving the file
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tempfile = str(tmp_path / f"temp_{mode}.png")
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data.save(tempfile)
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# Render the image
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qimage = ImageQt.ImageQt(im)
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data = QPixmap.fromImage(qimage)
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qt_format = QImage.Format if ImageQt.qt_version == "6" else QImage
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qimage = QImage(128, 128, qt_format.Format_ARGB32)
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painter = QPainter(qimage)
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image_label = QLabel()
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image_label.setPixmap(data)
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image_label.render(painter, QPoint(0, 0), QRegion(0, 0, 128, 128))
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painter.end()
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rendered_tempfile = str(tmp_path / f"temp_rendered_{mode}.png")
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qimage.save(rendered_tempfile)
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assert_image_equal_tofile(im.convert("RGBA"), rendered_tempfile)
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# from QPixmap
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roundtrip(hopper(mode))
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app.quit()
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app = None
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