File indexing completed on 2024-09-08 12:18:14

 /*
     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 <QFile>
 #include <QImageReader>
 #include <QMetaEnum>
 #include <QMetaObject>
 #include <QTextStream>
 
 #include "format-enum.h"
 
 int main(int argc, char **argv)
 {
     QCoreApplication app(argc, argv);
     QCoreApplication::addLibraryPath(QStringLiteral(PLUGIN_DIR));
     QCoreApplication::setApplicationName(QStringLiteral("imagedump"));
     QCoreApplication::setApplicationVersion(QStringLiteral("1.0.0.0"));
 
     QCommandLineParser parser;
     parser.setApplicationDescription(QStringLiteral("Dumps the content of QImage::bits()"));
     parser.addHelpOption();
     parser.addVersionOption();
     parser.addPositionalArgument(QStringLiteral("image"), QStringLiteral("image file"));
     parser.addPositionalArgument(QStringLiteral("datafile"), QStringLiteral("file QImage data should be written to"));
     QCommandLineOption informat(QStringList() << QStringLiteral("f") << QStringLiteral("file-format"),
                                 QStringLiteral("Image file format"),
                                 QStringLiteral("format"));
     parser.addOption(informat);
     QCommandLineOption qimgformat(QStringList() << QStringLiteral("q") << QStringLiteral("qimage-format"),
                                   QStringLiteral("QImage data format"),
                                   QStringLiteral("format"));
     parser.addOption(qimgformat);
     QCommandLineOption listformats(QStringList() << QStringLiteral("l") << QStringLiteral("list-file-formats"),
                                    QStringLiteral("List supported image file formats"));
     parser.addOption(listformats);
     QCommandLineOption listmimetypes(QStringList() << QStringLiteral("m") << QStringLiteral("list-mime-types"),
                                      QStringLiteral("List supported image mime types"));
     parser.addOption(listmimetypes);
     QCommandLineOption listqformats(QStringList() << QStringLiteral("p") << QStringLiteral("list-qimage-formats"),
                                     QStringLiteral("List supported QImage data formats"));
     parser.addOption(listqformats);
 
     parser.process(app);
 
     const QStringList files = parser.positionalArguments();
 
     if (parser.isSet(listformats)) {
         QTextStream out(stdout);
         out << "File formats:\n";
         const auto lstSupportedFormats = QImageReader::supportedImageFormats();
         for (const auto &fmt : lstSupportedFormats) {
             out << "  " << fmt << '\n';
         }
         return 0;
     }
     if (parser.isSet(listmimetypes)) {
         QTextStream out(stdout);
         out << "MIME types:\n";
         const auto lstSupportedMimeTypes = QImageReader::supportedMimeTypes();
         for (const auto &fmt : lstSupportedMimeTypes) {
             out << "  " << fmt << '\n';
         }
         return 0;
     }
     if (parser.isSet(listqformats)) {
         QTextStream out(stdout);
         out << "QImage formats:\n";
         // skip QImage::Format_Invalid
         for (int i = 1; i < QImage::NImageFormats; ++i) {
             out << "  " << formatToString(static_cast<QImage::Format>(i)) << '\n';
         }
         return 0;
     }
 
     if (files.count() != 2) {
         QTextStream(stderr) << "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(stderr) << "Could not read image: " << reader.errorString() << '\n';
         return 2;
     }
 
     QFile output(files.at(1));
     if (!output.open(QIODevice::WriteOnly)) {
         QTextStream(stderr) << "Could not open " << files.at(1) << " for writing: " << output.errorString() << '\n';
         return 3;
     }
     if (parser.isSet(qimgformat)) {
         QImage::Format qformat = formatFromString(parser.value(qimgformat));
         if (qformat == QImage::Format_Invalid) {
             QTextStream(stderr) << "Unknown QImage data format " << parser.value(qimgformat) << '\n';
             return 4;
         }
         img = img.convertToFormat(qformat);
     }
     qint64 written = output.write(reinterpret_cast<const char *>(img.bits()), img.sizeInBytes());
     if (written != img.sizeInBytes()) {
         QTextStream(stderr) << "Could not write image data to " << files.at(1) << ":" << output.errorString() << "\n";
         return 5;
     }
     QTextStream(stdout) << "Created " << files.at(1) << " with data format " << formatToString(img.format()) << "\n";
 
     return 0;
 }