DiagramDesigner/diagramCavas/include/graphicsItem/electricConnectLineItem.h

#ifndef ELECTRICCONNECTLINEITEM_H
#define ELECTRICCONNECTLINEITEM_H

#include <QPainterPath>
#include <QUuid>
#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<QPointF>      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