qt5base-lts/examples/opengl/hellogl2/main.cpp
Lucie Gérard 05fc3aef53 Use SPDX license identifiers
Replace the current license disclaimer in files by
a SPDX-License-Identifier.
Files that have to be modified by hand are modified.
License files are organized under LICENSES directory.

Task-number: QTBUG-67283
Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-05-16 16:37:38 +02:00

60 lines
2.0 KiB
C++

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QApplication>
#include <QSurfaceFormat>
#include <QScreen>
#include <QCommandLineParser>
#include <QCommandLineOption>
#include "glwidget.h"
#include "mainwindow.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QCoreApplication::setApplicationName("Qt Hello GL 2 Example");
QCoreApplication::setOrganizationName("QtProject");
QCoreApplication::setApplicationVersion(QT_VERSION_STR);
QCommandLineParser parser;
parser.setApplicationDescription(QCoreApplication::applicationName());
parser.addHelpOption();
parser.addVersionOption();
QCommandLineOption multipleSampleOption("multisample", "Multisampling");
parser.addOption(multipleSampleOption);
QCommandLineOption coreProfileOption("coreprofile", "Use core profile");
parser.addOption(coreProfileOption);
QCommandLineOption transparentOption("transparent", "Transparent window");
parser.addOption(transparentOption);
parser.process(app);
QSurfaceFormat fmt;
fmt.setDepthBufferSize(24);
if (parser.isSet(multipleSampleOption))
fmt.setSamples(4);
if (parser.isSet(coreProfileOption)) {
fmt.setVersion(3, 2);
fmt.setProfile(QSurfaceFormat::CoreProfile);
}
QSurfaceFormat::setDefaultFormat(fmt);
MainWindow mainWindow;
GLWidget::setTransparent(parser.isSet(transparentOption));
if (GLWidget::isTransparent()) {
mainWindow.setAttribute(Qt::WA_TranslucentBackground);
mainWindow.setAttribute(Qt::WA_NoSystemBackground, false);
}
mainWindow.resize(mainWindow.sizeHint());
int desktopArea = QGuiApplication::primaryScreen()->size().width() *
QGuiApplication::primaryScreen()->size().height();
int widgetArea = mainWindow.width() * mainWindow.height();
if (((float)widgetArea / (float)desktopArea) < 0.75f)
mainWindow.show();
else
mainWindow.showMaximized();
return app.exec();
}