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Diffstat (limited to 'src/gui/painting/qgraphicssystemfactory.cpp')
-rw-r--r-- | src/gui/painting/qgraphicssystemfactory.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/gui/painting/qgraphicssystemfactory.cpp b/src/gui/painting/qgraphicssystemfactory.cpp new file mode 100644 index 0000000000..62a60d77c0 --- /dev/null +++ b/src/gui/painting/qgraphicssystemfactory.cpp @@ -0,0 +1,123 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qgraphicssystemfactory_p.h" +#include "qgraphicssystemplugin_p.h" +#include "private/qfactoryloader_p.h" +#include "qmutex.h" + +#include "qapplication.h" +#include <private/qapplication_p.h> +#include "qgraphicssystem_raster_p.h" +#include "qgraphicssystem_runtime_p.h" +#include "qdebug.h" + +QT_BEGIN_NAMESPACE + +#ifndef QT_NO_LIBRARY +Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader, + (QGraphicsSystemFactoryInterface_iid, QLatin1String("/graphicssystems"), Qt::CaseInsensitive)) +#endif + +QGraphicsSystem *QGraphicsSystemFactory::create(const QString& key) +{ + QGraphicsSystem *ret = 0; + QString system = key.toLower(); + +#if defined (QT_GRAPHICSSYSTEM_OPENGL) + if (system.isEmpty()) { + system = QLatin1String("opengl"); + } +#elif defined (QT_GRAPHICSSYSTEM_OPENVG) + if (system.isEmpty()) { + system = QLatin1String("openvg"); + } +#elif defined (QT_GRAPHICSSYSTEM_RUNTIME) + if (system.isEmpty()) { + system = QLatin1String("runtime"); + } +#elif defined (QT_GRAPHICSSYSTEM_RASTER) && !defined(Q_WS_WIN) && !defined(Q_OS_SYMBIAN) || defined(Q_WS_X11) + if (system.isEmpty()) { + system = QLatin1String("raster"); + } +#endif + + QApplicationPrivate::graphics_system_name = system; + if (system == QLatin1String("raster")) + return new QRasterGraphicsSystem; + else if (system == QLatin1String("runtime")) + return new QRuntimeGraphicsSystem; + else if (system.isEmpty() || system == QLatin1String("native")) + return 0; + +#ifndef QT_NO_LIBRARY + if (!ret) { + if (QGraphicsSystemFactoryInterface *factory = qobject_cast<QGraphicsSystemFactoryInterface*>(loader()->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 = loader()->keys(); +#else + QStringList list; +#endif + if (!list.contains(QLatin1String("Raster"))) + list << QLatin1String("raster"); + return list; +} + +QT_END_NAMESPACE + |