#ifndef ELECTRICCONNECTLINEITEM_H #define ELECTRICCONNECTLINEITEM_H #include #include #include "graphicsBaseItem.h" class ElectricConnectLineItem : public GraphicsProjectModelItem { public: ElectricConnectLineItem(QGraphicsItem *parent = 0); ElectricConnectLineItem(const ElectricConnectLineItem&); //暂不拷贝位置关系,由线自己计算 virtual ~ElectricConnectLineItem(); virtual ElectricConnectLineItem* clone() const override; void setStartPoint(const QPointF& p); void setEndPoint(const QPointF& p); QPainterPath getPoints(void) const { return m_points; } void moveLine(QPointF); //鼠标点击拖动 void calculatePath(); void resetCurLine(){_curLine = QPoint();} protected: virtual QPainterPath shape() const override; virtual QRectF boundingRect() const override; virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) override; private: void initial(); private: QPainterPath m_points; QPainterPath m_pointsBoundingRect; //包裹点的矩形集合 QList m_lstPoints; QPoint _curLine; //参数1用点序号表示的当前线段起始点,参数2表示线段方向 }; #endif