File indexing completed on 2024-04-28 04:58:03

 /*
     icoutils_wrestool.cpp - Extract Microsoft Window icons and images using icoutils package
 
     SPDX-FileCopyrightText: 2009-2010 Pali Rohár <pali.rohar@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "icoutils.h"
 
 #include <QProcess>
 #include <QRegularExpression>
 #include <QString>
 
 bool IcoUtils::loadIcoImageFromExe(const QString &inputFileName, QIODevice *outputDevice)
 {
     QProcess wrestool;
 
     // list all resources with type RT_GROUP_ICON=14
     wrestool.start(QStringLiteral("wrestool"), {QStringLiteral("-t14"), QStringLiteral("-l"), inputFileName});
     wrestool.waitForFinished();
 
     if (wrestool.exitCode() != 0) {
         return false;
     }
 
     const QString output = QString::fromUtf8(wrestool.readAll());
 
     // 16 bit binaries don't have "--language"
     const QRegularExpression regExp(QStringLiteral("--type=\\d+ --name=(\\S+) (?:--language=.* )?\\[.*\\]"));
 
     // https://docs.microsoft.com/en-us/windows/win32/menurc/about-icons#icon-display
     // "Select the RT_GROUP_ICON resource. If more than one such resource exists,
     // the system uses the first resource listed in the resource scrip."
     auto match = regExp.match(output);
     if (!match.hasMatch()) {
         return false;
     }
 
     QString name = match.captured(1);
     if (name.at(0) == '\'') {
         name = name.mid(1, name.size() - 2);
     }
 
     wrestool.start(QStringLiteral("wrestool"), {QStringLiteral("-x"), QStringLiteral("-t14"), QStringLiteral("-n"), name, inputFileName});
     wrestool.waitForFinished();
 
     if (wrestool.exitCode() != 0) {
         return false;
     }
 
     const QByteArray iconData = wrestool.readAllStandardOutput();
     if (outputDevice->write(iconData) != iconData.size()) {
         return false;
     }
 
     return true;
 }