main.cpp

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#include <private/qgraphicssystemplugin_p.h>
#include "qgraphicssystem_trace_p.h"

QT_BEGIN_NAMESPACE

class QTraceGraphicsSystemPlugin : public QGraphicsSystemPlugin
{
public:
    QStringList keys() const;
    QGraphicsSystem *create(const QString&);
};

QStringList QTraceGraphicsSystemPlugin::keys() const
{
    return QStringList(QLatin1String("Trace"));
}

QGraphicsSystem* QTraceGraphicsSystemPlugin::create(const QString& system)
{
    if (system.toLower() == QLatin1String("trace"))
        return new QTraceGraphicsSystem;

    return 0;
}

Q_EXPORT_PLUGIN2(trace, QTraceGraphicsSystemPlugin)

QT_END_NAMESPACE