nmWATI/Include/iPlot/iPlotCurveT/ZxHandleHelper.h

#pragma once

#include <QPainter>
#include <QRectF>

#include "Defines.h"
#include "iPlotCurveT_global.h"

class ZxPaintParam;

// 8控制点管理器
class I_PLOTCURVE_T_EXPORT ZxHandleHelper
{
public:

    ZxHandleHelper();
    ZxHandleHelper(const QRectF& rt);

public:

    // 边界
    virtual void setBounds(const QRectF& rt);
    virtual QRectF getBounds() const;

    // handle
    virtual RectPos hitTest(const QPointF& pt, double fHdlSize = 2.2f);
    static QVector<QPointF> getEightPoints(const QRectF& rtBound);
    static QPointF getOnePointOf(const QRectF& rtBound, RectPos o);

    // 光标
    virtual QCursor getCursor(RectPos o);

    // 绘制
    virtual void paintBack(QPainter* painter,
                           const ZxPaintParam& param,
                           RectPos oActive = OUTER);

private:

    QRectF m_rtBound;
};