nmWATI/Include/iPlot/iPlotBase/ZxTempLayer.h

#pragma once

#include "ZxLayerItem.h"

/// 临时图层. 这是一种特殊图层, 主要特点如下
/// 每个场景只有一个临时图层
/// 总是在其他图层前面
class I_PLOTBASE_EXPORT ZxTempLayer : public ZxLayerItem
{
    Q_OBJECT
    ZX_DECLARE_DYNAMIC

public:

    ZxTempLayer();

    /// 是否显示十字线
    virtual void setCrossLineVisible(bool bVisible);
    virtual bool isCrossLineVisible() const;

    /// 十字线位置(窗口坐标)
    virtual void setCrossLinePos(const QPointF& _pt);
    virtual QPointF getCrossLinePos() const;

    /// 十字线的画笔
    virtual QPen getCrossLinePen() const;
    virtual void setCrossLinePen(QPen pen);

    /// 十字线显示区域
    virtual QRectF getCrossLineRect() const;
    virtual void setCrossLineRect(const QRectF& rect);

    // 设置Tips
    virtual void setTips(QString s);
    virtual QString getTips() const;
    virtual void setTipsVisible(bool bVisible);
    virtual bool isTipsVisible() const;

    // 鼠标移出视图区
    virtual void clearLineAndTips();

protected:

    virtual void paintFront(QPainter* painter, const ZxPaintParam& param);
    virtual void paintCrossLine(QPainter* painter, const ZxPaintParam& param, QRectF rt);
    virtual void paintTips(QPainter* painter, const ZxPaintParam& param, QRectF rt);

    virtual void updateRenderArea();

protected:

    bool m_bShowCrossLine;
    QPointF m_ptCrossLine;
    QPen m_penCrossLine;
    QRectF m_rectCrossLine;
    bool m_bShowTips;
    QString m_sTips;
};