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# Copyright (C) 2023 The Qt Company Ltd.
# Copyright (C) 2013 Riverbank Computing Limited.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
from __future__ import annotations
"""PySide6 port of the opengl/hellogl2 example from Qt v6.x"""
from argparse import ArgumentParser, RawTextHelpFormatter
import sys
from PySide6.QtCore import Qt
from PySide6.QtGui import QSurfaceFormat
from PySide6.QtWidgets import (QApplication, QMessageBox)
try:
from mainwindow import MainWindow
from glwidget import GLWidget
except ImportError:
app = QApplication(sys.argv)
message_box = QMessageBox(QMessageBox.Critical, "OpenGL hellogl",
"PyOpenGL must be installed to run this example.",
QMessageBox.Close)
message_box.setDetailedText("Run:\npip install PyOpenGL PyOpenGL_accelerate")
message_box.exec()
sys.exit(1)
if __name__ == '__main__':
app = QApplication(sys.argv)
parser = ArgumentParser(description="hellogl2",
formatter_class=RawTextHelpFormatter)
parser.add_argument('--multisample', '-m', action='store_true',
help='Use Multisampling')
parser.add_argument('--coreprofile', '-c', action='store_true',
help='Use Core Profile')
parser.add_argument('--transparent', '-t', action='store_true',
help='Transparent Windows')
options = parser.parse_args()
fmt = QSurfaceFormat()
fmt.setDepthBufferSize(24)
if options.multisample:
fmt.setSamples(4)
if options.coreprofile:
fmt.setVersion(3, 2)
fmt.setProfile(QSurfaceFormat.CoreProfile)
QSurfaceFormat.setDefaultFormat(fmt)
GLWidget.set_transparent(options.transparent)
main_window = MainWindow()
if options.transparent:
main_window.setAttribute(Qt.WA_TranslucentBackground)
main_window.setAttribute(Qt.WA_NoSystemBackground, False)
main_window.show()
res = app.exec()
sys.exit(res)
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