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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
import os
import sys
import unittest
from pathlib import Path
sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
from init_paths import init_test_paths
init_test_paths(False)
from PySide6.QtCore import QDataStream, QByteArray, QIODevice, Qt
from PySide6.QtGui import QPixmap, QColor
from helper.usesqguiapplication import UsesQGuiApplication
class QPixmapQDatastream(UsesQGuiApplication):
'''QDataStream <<>> QPixmap'''
def setUp(self):
super(QPixmapQDatastream, self).setUp()
self.source_pixmap = QPixmap(100, 100)
# PYSIDE-1533: Use Qt.transparent to force Format_ARGB32_Premultiplied
# when converting to QImage in any case.
self.source_pixmap.fill(Qt.transparent)
self.output_pixmap = QPixmap()
self.buffer = QByteArray()
self.read_stream = QDataStream(self.buffer, QIODevice.ReadOnly)
self.write_stream = QDataStream(self.buffer, QIODevice.WriteOnly)
def testStream(self):
self.write_stream << self.source_pixmap
self.read_stream >> self.output_pixmap
image = self.output_pixmap.toImage()
pixel = image.pixel(10, 10)
self.assertEqual(pixel, QColor(Qt.transparent).rgba())
self.assertEqual(self.source_pixmap.toImage(), image)
if __name__ == '__main__':
unittest.main()
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