31 Q_OBJECT

    31         Q_OBJECT

    32 public:

    32     public:

    33     explicit DrawMapScene(QObject *parent = 0);

    33         explicit DrawMapScene(QObject *parent = 0);

    35     QByteArray encode();

    35         QByteArray encode();

    36     void decode(QByteArray data);

    36         void decode(QByteArray data);

    38 signals:

    38     signals:

    39     void pathChanged();

    39         void pathChanged();

    41 public slots:

    41     public slots:

    42     void undo();

    42         void undo();

    43     void clearMap();

    43         void clearMap();

    44     void simplifyLast();

    44         void simplifyLast();

    46 private:

    46     private:

    47     QPen m_pen;

    47         QPen m_pen;

    48     QBrush m_brush;

    48         QBrush m_brush;

    49     QGraphicsPathItem  * m_currPath;

    49         QGraphicsPathItem  * m_currPath;

    50     Paths paths;

    50         Paths paths;

    51     Paths oldPaths;

    51         Paths oldPaths;

    52     QList<QGraphicsItem *> oldItems;

    52         QList<QGraphicsItem *> oldItems;

    54     virtual void mouseMoveEvent(QGraphicsSceneMouseEvent * mouseEvent);

    54         virtual void mouseMoveEvent(QGraphicsSceneMouseEvent * mouseEvent);

    55     virtual void mousePressEvent(QGraphicsSceneMouseEvent * mouseEvent);

    55         virtual void mousePressEvent(QGraphicsSceneMouseEvent * mouseEvent);

    56     virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent * mouseEvent);

    56         virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent * mouseEvent);

    58     QPainterPath pointsToPath(const QList<QPoint> points);

    58         QPainterPath pointsToPath(const QList<QPoint> points);