katie/src/gui/painting/qgraphicssystemfactory.cpp
Ivailo Monev 80d4bc168e more copyright changes
Signed-off-by: Ivailo Monev <xakepa10@laimg.moc>
2019-06-03 14:21:30 +00:00

114 lines
3.7 KiB
C++

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2016-2019 Ivailo Monev
**
** This file is part of the QtGui module of the Katie 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company 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 "qgraphicssystemfactory_p.h"
#include "qgraphicssystemplugin_p.h"
#include "qfactoryloader_p.h"
#include "qmutex.h"
#include "qapplication.h"
#include "qgraphicssystem_raster_p.h"
#include "qdebug.h"
QT_BEGIN_NAMESPACE
#ifndef QT_NO_LIBRARY
Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, graphicsloader,
(QGraphicsSystemFactoryInterface_iid, QLatin1String("/graphicssystems"), Qt::CaseInsensitive))
#endif
QGraphicsSystem *QGraphicsSystemFactory::create(const QString& key)
{
QGraphicsSystem *ret = Q_NULLPTR;
QString system = key.toLower();
#if defined (QT_GRAPHICSSYSTEM_RASTER) || defined(Q_WS_X11)
if (system.isEmpty()) {
system = QLatin1String("raster");
}
#endif
if (system == QLatin1String("raster")) {
return new QRasterGraphicsSystem;
} else if (system == QLatin1String("native")) {
qWarning() << "Attempt to load native graphicssystem";
return new QRasterGraphicsSystem;
} else if (system.isEmpty()) {
return 0;
}
#ifndef QT_NO_LIBRARY
if (!ret) {
if (QGraphicsSystemFactoryInterface *factory = qobject_cast<QGraphicsSystemFactoryInterface*>(graphicsloader()->instance(system)))
ret = factory->create(system);
}
#endif
if (!ret)
qWarning() << "Unable to load graphicssystem" << system;
return ret;
}
/*!
Returns the list of valid keys, i.e. the keys this factory can
create styles for.
\sa create()
*/
QStringList QGraphicsSystemFactory::keys()
{
#ifndef QT_NO_LIBRARY
QStringList list = graphicsloader()->keys();
#else
QStringList list;
#endif
if (!list.contains(QLatin1String("Raster")))
list << QLatin1String("raster");
return list;
}
QT_END_NAMESPACE