#pragma once

#include <QPointF>
#include <QUndoCommand>
#include "iPlotCurveT_global.h"

class ZxRenderItem;
class ZxSubAxisBase;

// 命令: 视图缩放，主要通过坐标轴范围来实现
class I_PLOTCURVE_T_EXPORT ZxCommandZoom : \
        public QUndoCommand
{
public:

    ZxCommandZoom(ZxSubAxisBase* pAxisX,
                  double dMaxX,
                  double dMinX,
                  ZxSubAxisBase* pAxisY = nullptr,
                  double dMaxY = 0.0,
                  double dMinY = 0.0,
                  QUndoCommand* parent = 0);
    ~ZxCommandZoom();

    virtual void redo();
    virtual void undo();

private:

    ZxSubAxisBase* m_pAxisX;
    double m_dMaxX;
    double m_dMinX;
    double m_dMaxXOld;
    double m_dMinXOld;

    ZxSubAxisBase* m_pAxisY;
    double m_dMaxY;
    double m_dMinY;
    double m_dMaxYOld;
    double m_dMinYOld;
};