17     explicit HWEngine(QQmlEngine * engine, QObject *parent = 0);

    17     explicit HWEngine(QQmlEngine * engine, QObject *parent = 0);

    18     ~HWEngine();

    18     ~HWEngine();

    19 

    19 

    20     static void exposeToQML();

    20     static void exposeToQML();

    21     Q_INVOKABLE void run();

    21     Q_INVOKABLE void run();

    22     

    23     

    23 signals:

    24 signals:

    24     void previewImageChanged();

    25     void previewImageChanged();

    25     

    26     

    26 public slots:

    27 public slots:

    27 

    28 

    28 private:

    29 private:

    29     QList<QByteArray> m_argsList;

    30     QList<QByteArray> m_argsList;

    30     QVector<const char *> m_args;

    31     QVector<const char *> m_args;

    31     QQmlEngine * m_engine;

    32     QQmlEngine * m_engine;

    32 

    34 

    33     static void engineMessageCallback(void *context, const char * msg, quint32 len);

    35     static void engineMessageCallback(void *context, const char * msg, quint32 len);

    34     void sendIPC(const QByteArray &b);

    36     void sendIPC(const QByteArray &b);

    35 

    37 

    36 private slots:

    38 private slots: