- void setProperties(QMap <QString, QString> properties);
- void setMetadata(QMap <QString, QString> properties, QString tool = QString());
- void slotExtractImage(QList <int> frames);
+ void setProperties(QMap<QString, QString> properties);
+ void setMetadata(const QMap <QString, QString> &properties, const QString &tool = QString());
+ void slotExtractImage(const QList <int> &frames);