4 #include <QGraphicsScene>
8 class TrackInfo
: public QGraphicsScene
13 TrackInfo(QObject
*parent
= 0);
15 void insert(const QString
&key
, const QString
&value
);
16 void plot(QPainter
*painter
, const QRectF
&target
, qreal scale
);
18 QSizeF
contentSize() const;