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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifdef QT_WIDGETS_LIB
#include <QtWidgets/QApplication>
#else
#include <QtGui/QGuiApplication>
#endif
#include <QtQml/QQmlApplicationEngine>
#include <QtQml/QQmlContext>
#include <QtQuick/QQuickWindow>
#include <QtGui/QImageReader>
#include <QtCore/QCommandLineParser>
#include <QtCore/QCommandLineOption>
#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QMimeDatabase>
#include <QtCore/QStandardPaths>
#include <QtCore/QUrl>
static QStringList imageNameFilters()
{
QStringList result;
QMimeDatabase mimeDatabase;
const auto supportedMimeTypes = QImageReader::supportedMimeTypes();
for (const QByteArray &m : supportedMimeTypes) {
const auto suffixes = mimeDatabase.mimeTypeForName(m).suffixes();
for (const QString &suffix : suffixes)
result.append(QLatin1String("*.") + suffix);
}
return result;
}
int main(int argc, char* argv[])
{
// The reason to use QApplication is that QWidget-based dialogs
// are the native dialogs on Qt-based platforms like KDE,
// but they cannot be instantiated if this is a QGuiApplication.
#ifdef QT_WIDGETS_LIB
QApplication app(argc, argv);
#else
QGuiApplication app(argc, argv);
#endif
QQuickWindow::setDefaultAlphaBuffer(true);
QCoreApplication::setApplicationName(QStringLiteral("Photosurface"));
QCoreApplication::setOrganizationName(QStringLiteral("QtProject"));
QCoreApplication::setApplicationVersion(QLatin1String(QT_VERSION_STR));
QCommandLineParser parser;
parser.setApplicationDescription(QStringLiteral("Qt Quick Demo - Photo Surface"));
parser.addHelpOption();
parser.addVersionOption();
parser.addPositionalArgument(QStringLiteral("directory"),
QStringLiteral("The image directory or URL to show."));
parser.process(app);
QUrl initialUrl;
if (!parser.positionalArguments().isEmpty()) {
initialUrl = QUrl::fromUserInput(parser.positionalArguments().first(),
QDir::currentPath(), QUrl::AssumeLocalFile);
if (!initialUrl.isValid()) {
qWarning().nospace() << "Invalid argument: \""
<< parser.positionalArguments().first() << "\": " << initialUrl.errorString();
return 1;
}
}
const QStringList nameFilters = imageNameFilters();
QQmlApplicationEngine engine;
QQmlContext *context = engine.rootContext();
QUrl picturesLocationUrl = QUrl::fromLocalFile(QDir::homePath());
const QStringList picturesLocations = QStandardPaths::standardLocations(QStandardPaths::PicturesLocation);
if (!picturesLocations.isEmpty()) {
picturesLocationUrl = QUrl::fromLocalFile(picturesLocations.first());
if (initialUrl.isEmpty()
&& !QDir(picturesLocations.first()).entryInfoList(nameFilters, QDir::Files).isEmpty()) {
initialUrl = picturesLocationUrl;
}
}
context->setContextProperty(QStringLiteral("contextPicturesLocation"), picturesLocationUrl);
context->setContextProperty(QStringLiteral("contextInitialUrl"), initialUrl);
context->setContextProperty(QStringLiteral("contextImageNameFilters"), nameFilters);
engine.load(QUrl("qrc:///photosurface.qml"));
if (engine.rootObjects().isEmpty())
return -1;
return app.exec();
}
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