diff --git a/examples/examples.pro b/examples/examples.pro new file mode 100644 index 0000000000000000000000000000000000000000..dce8977afad4796fd3a7598658a0f2536cac2306 --- /dev/null +++ b/examples/examples.pro @@ -0,0 +1,2 @@ +TEMPLATE = subdirs +SUBDIRS += iconextractor diff --git a/examples/iconextractor/iconextractor.pro b/examples/iconextractor/iconextractor.pro new file mode 100644 index 0000000000000000000000000000000000000000..b9ad5f6de79d8295d545b7b7aaf5bdc87897a0b1 --- /dev/null +++ b/examples/iconextractor/iconextractor.pro @@ -0,0 +1,6 @@ +TEMPLATE = app +TARGET = iconextractor +CONFIG += console +QT = core gui winextras +LIBS += -lshell32 +SOURCES += main.cpp diff --git a/examples/iconextractor/main.cpp b/examples/iconextractor/main.cpp new file mode 100644 index 0000000000000000000000000000000000000000..ea54149eee5c6a03f73edad2c412c1aeff6fb204 --- /dev/null +++ b/examples/iconextractor/main.cpp @@ -0,0 +1,115 @@ +/**************************************************************************** + ** + ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). + ** Contact: http://www.qt-project.org/legal + ** + ** This file is part of QtWindowsExtras in the Qt Toolkit. + ** + ** $QT_BEGIN_LICENSE:LGPL$ + ** Commercial License Usage + ** Licensees holding valid commercial Qt licenses may use this file in + ** accordance with the commercial license agreement provided with the + ** Software or, alternatively, in accordance with the terms contained in + ** a written agreement between you and Digia. For licensing terms and + ** conditions see http://qt.digia.com/licensing. For further information + ** use the contact form at http://qt.digia.com/contact-us. + ** + ** GNU Lesser General Public License Usage + ** Alternatively, this file may be used under the terms of the GNU Lesser + ** General Public License version 2.1 as published by the Free Software + ** Foundation and appearing in the file LICENSE.LGPL included in the + ** packaging of this file. Please review the following information to + ** ensure the GNU Lesser General Public License version 2.1 requirements + ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. + ** + ** In addition, as a special exception, Digia gives you certain additional + ** rights. These rights are described in the Digia Qt LGPL Exception + ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. + ** + ** GNU General Public License Usage + ** Alternatively, this file may be used under the terms of the GNU + ** General Public License version 3.0 as published by the Free Software + ** Foundation and appearing in the file LICENSE.GPL included in the + ** packaging of this file. Please review the following information to + ** ensure the GNU General Public License version 3.0 requirements will be + ** met: http://www.gnu.org/copyleft/gpl.html. + ** + ** + ** $QT_END_LICENSE$ + ** + ****************************************************************************/ + +#include <QtWinFunctions> + +#include <QGuiApplication> +#include <QScopedArrayPointer> +#include <QStringList> +#include <QPixmap> +#include <QImage> +#include <QFileInfo> +#include <QDir> +#include <iostream> + +/* This example demonstrates the Windows-specific image conversion + * functions. */ + +int main(int argc, char *argv[]) +{ + QGuiApplication a(argc, argv); + + QStringList arguments = QCoreApplication::arguments(); + arguments.pop_front(); + const bool large = !arguments.isEmpty() && arguments.front() == "-l"; + if (large) + arguments.pop_front(); + if (arguments.size() < 1) { + std::cout << "Usage: iconextractor [OPTIONS] FILE [IMAGE_FILE_FOLDER]\n\n" + "Extracts Windows icons from executables, DLL or icon files\n" + "and writes them out as numbered .png-files.\n\n" + "Options: -l Extract large icons.\n\n" + "Based on Qt " << QT_VERSION_STR << "\n"; + return 1; + } + const QString sourceFile = arguments.at(0); + QString imageFileRoot = arguments.size() > 1 ? arguments.at(1) : QDir::currentPath(); + const QFileInfo imageFileRootInfo(imageFileRoot); + if (!imageFileRootInfo.isDir()) { + std::cerr << imageFileRoot.toStdString() << " is not a directory.\n"; + return 1; + } + + const UINT iconCount = ExtractIconEx((wchar_t *)sourceFile.utf16(), -1, 0, 0, 0); + if (!iconCount) { + std::cerr << sourceFile.toStdString() << " does not appear to contain icons.\n"; + return 1; + } + + QScopedArrayPointer<HICON> icons(new HICON[iconCount]); + const UINT extractedIconCount = large ? + ExtractIconEx((wchar_t *)sourceFile.utf16(), 0, icons.data(), 0, iconCount) : + ExtractIconEx((wchar_t *)sourceFile.utf16(), 0, 0, icons.data(), iconCount); + if (!extractedIconCount) { + qErrnoWarning("Failed to extract icons from %s", qPrintable(sourceFile)); + return 1; + } + + std::cout << sourceFile.toStdString() << " contains " << extractedIconCount << " icon(s).\n"; + + imageFileRoot = imageFileRootInfo.absoluteFilePath() + QLatin1Char('/') + QFileInfo(sourceFile).baseName(); + for (UINT i = 0; i < extractedIconCount; ++i) { + const QPixmap pixmap = Qt::fromWinHICON(icons[i]); + if (pixmap.isNull()) { + std::cerr << "Error converting icons.\n"; + return 1; + } + const QString fileName = QString::fromLatin1("%1%2.png").arg(imageFileRoot) + .arg(i, 3, 10, QLatin1Char('0')); + if (!pixmap.save(fileName)) { + std::cerr << "Error writing image file " << fileName.toStdString() << ".\n"; + return 1; + } + std::cout << "Wrote image file " + << QDir::toNativeSeparators(fileName).toStdString() << ".\n"; + } + return 0; +}