main.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
#include "qpixeltool.h"
 
#include <qapplication.h>
#include <qcommandlineparser.h>
#include <qcommandlineoption.h>
#include <qfileinfo.h>
 
QT_USE_NAMESPACE
 
using namespace Qt::StringLiterals;
 
int main(int argc, char **argv)
{
    QApplication app(argc, argv);
    QCoreApplication::setApplicationName("PixelTool"_L1);
    QCoreApplication::setApplicationVersion(QLatin1StringView(qVersion()));
    QCoreApplication::setOrganizationName("QtProject"_L1);
 
    QCommandLineParser parser;
    parser.addHelpOption();
    parser.addVersionOption();
    parser.addPositionalArgument("preview"_L1,
                                 "The preview image to show."_L1);
 
    parser.process(app);
 
    QPixelTool pixelTool;
 
    if (!parser.positionalArguments().isEmpty()) {
        const QString previewImageFileName = parser.positionalArguments().constFirst();
        if (QFileInfo::exists(previewImageFileName)) {
            QImage previewImage(previewImageFileName);
            if (!previewImage.size().isEmpty())
                pixelTool.setPreviewImage(previewImage);
        }
    }
 
    pixelTool.show();
 
    QObject::connect(&app, &QApplication::lastWindowClosed,
                     &app, &QCoreApplication::quit);
 
    return QCoreApplication::exec();
}