File indexing completed on 2024-04-14 14:23:49

 /*
     SPDX-FileCopyrightText: 2013 Alex Merry <alex.merry@kdemail.net>
 
     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 
 #include <stdio.h>
 
 #include <QCommandLineOption>
 #include <QCommandLineParser>
 #include <QCoreApplication>
 #include <QDebug>
 #include <QImageReader>
 #include <QImageWriter>
 #include <QTextStream>
 
 int main(int argc, char **argv)
 {
     QCoreApplication app(argc, argv);
     QCoreApplication::addLibraryPath(QStringLiteral(PLUGIN_DIR));
     QCoreApplication::setApplicationName(QStringLiteral("imageconverter"));
     QCoreApplication::setApplicationVersion(QStringLiteral("1.01.01.0"));
 
     QCommandLineParser parser;
     parser.setApplicationDescription(QStringLiteral("Converts images from one format to another"));
     parser.addHelpOption();
     parser.addVersionOption();
     parser.addPositionalArgument(QStringLiteral("in"), QStringLiteral("input image file"));
     parser.addPositionalArgument(QStringLiteral("out"), QStringLiteral("output image file"));
     QCommandLineOption informat(QStringList() << QStringLiteral("i") << QStringLiteral("informat"),
                                 QStringLiteral("Image format for input file"),
                                 QStringLiteral("format"));
     parser.addOption(informat);
     QCommandLineOption outformat(QStringList() << QStringLiteral("o") << QStringLiteral("outformat"),
                                  QStringLiteral("Image format for output file"),
                                  QStringLiteral("format"));
     parser.addOption(outformat);
     QCommandLineOption listformats(QStringList() << QStringLiteral("l") << QStringLiteral("list"), QStringLiteral("List supported image formats"));
     parser.addOption(listformats);
 
     QCommandLineOption listmimes(QStringList() << QStringLiteral("m") << QStringLiteral("listmime"), QStringLiteral("List supported image mime formats"));
     parser.addOption(listmimes);
 
     parser.process(app);
 
     const QStringList files = parser.positionalArguments();
 
     if (parser.isSet(listformats)) {
         QTextStream out(stdout);
         out << "Input formats:\n";
         const auto lstReaderSupportedFormats = QImageReader::supportedImageFormats();
         for (const QByteArray &fmt : lstReaderSupportedFormats) {
             out << "  " << fmt << '\n';
         }
         out << "Output formats:\n";
         const auto lstWriterSupportedFormats = QImageWriter::supportedImageFormats();
         for (const QByteArray &fmt : lstWriterSupportedFormats) {
             out << "  " << fmt << '\n';
         }
         return 0;
     }
 
     if (parser.isSet(listmimes)) {
         QTextStream out(stdout);
         out << "Input mime formats:\n";
         const auto lstReaderSupportedMimes = QImageReader::supportedMimeTypes();
         for (const QByteArray &fmt : lstReaderSupportedMimes) {
             out << "  " << fmt << '\n';
         }
         out << "Output mime formats:\n";
         const auto lstWriterSupportedMimes = QImageWriter::supportedMimeTypes();
         for (const QByteArray &fmt : lstWriterSupportedMimes) {
             out << "  " << fmt << '\n';
         }
         return 0;
     }
 
     if (files.count() != 2) {
         QTextStream(stdout) << "Must provide exactly two files\n";
         parser.showHelp(1);
     }
     QImageReader reader(files.at(0), parser.value(informat).toLatin1());
     QImage img = reader.read();
     if (img.isNull()) {
         QTextStream(stdout) << "Could not read image: " << reader.errorString() << '\n';
         return 2;
     }
 
     QImageWriter writer(files.at(1), parser.value(outformat).toLatin1());
     if (!writer.write(img)) {
         QTextStream(stdout) << "Could not write image: " << writer.errorString() << '\n';
         return 3;
     }
 
     return 0;
 }