qt-everywhere-src-5.14.1/qtsvg/examples/svg/svgviewer/main.cpp

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#include <QApplication>
#include <QCommandLineParser>
#include <QCommandLineOption>
#include <QStringList>
#ifndef QT_NO_OPENGL
#include <QGLFormat>
#endif

#include "mainwindow.h"

int main(int argc, char **argv)
{
    Q_INIT_RESOURCE(svgviewer);

    QApplication app(argc, argv);
    QCoreApplication::setApplicationName("SVG Viewer");
    QGuiApplication::setApplicationDisplayName(QCoreApplication::applicationName());
    QCoreApplication::setOrganizationName("QtProject");
    QCoreApplication::setApplicationVersion(QT_VERSION_STR);

    QCommandLineParser parser;
    parser.setApplicationDescription("Qt SVG Viewer");
    parser.addHelpOption();
    parser.addVersionOption();
    parser.addPositionalArgument("file", "The file to open.");
    parser.process(app);

    MainWindow window;
    if (!window.loadFile(parser.positionalArguments().value(0, QLatin1String(":/files/bubbles.svg"))))
        return -1;
    window.show();
    return app.exec();
}