{

Q_OBJECT

explicit VGraphvizHelper(QObject *p_parent = nullptr);

void processAsync(int p_id, TimeStamp p_timeStamp, const QString &p_format, const QString &p_text);

static bool testGraphviz(const QString &p_dot, QString &p_msg);

static QByteArray process(const QString &p_format, const QString &p_text);

signals:

void resultReady(int p_id, TimeStamp p_timeStamp, const QString &p_format, const QString &p_result);

private slots:

void handleProcessFinished(int p_exitCode, QProcess::ExitStatus p_exitStatus);

void prepareCommand(QString &p_cmd, QStringList &p_args) const;

QString m_program;

QStringList m_args;