oops. forgot the graphic
#ifndef DRAWMAPSCENE_H
#define DRAWMAPSCENE_H
#include <QGraphicsScene>
#include <QPainterPath>
class QGraphicsPathItem;
typedef QList<QList<QPoint> > Paths;
class DrawMapScene : public QGraphicsScene
{
Q_OBJECT
public:
explicit DrawMapScene(QObject *parent = 0);
QByteArray encode();
void decode(QByteArray data);
signals:
void pathChanged();
public slots:
void undo();
void clearMap();
void simplifyLast();
private:
QPen m_pen;
QBrush m_brush;
QGraphicsPathItem * m_currPath;
Paths paths;
virtual void mouseMoveEvent(QGraphicsSceneMouseEvent * mouseEvent);
virtual void mousePressEvent(QGraphicsSceneMouseEvent * mouseEvent);
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent * mouseEvent);
QPainterPath pointsToPath(const QList<QPoint> points);
};
#endif // DRAWMAPSCENE_H