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42 lines
874 B
C++
42 lines
874 B
C++
#pragma once
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#include <QPointF>
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#include <QUndoCommand>
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#include "iPlotCurveT_global.h"
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class ZxRenderItem;
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class ZxSubAxisBase;
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// 命令: 视图缩放，主要通过坐标轴范围来实现
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class I_PLOTCURVE_T_EXPORT ZxCommandZoom : \
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public QUndoCommand
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{
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public:
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ZxCommandZoom(ZxSubAxisBase* pAxisX,
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double fMaxX,
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double fMinX,
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ZxSubAxisBase* pAxisY = NULL,
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double fMaxY = 0.f,
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double fMinY = 0.f,
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QUndoCommand* parent = 0);
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~ZxCommandZoom();
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virtual void redo();
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virtual void undo();
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private:
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ZxSubAxisBase* m_pAxisX;
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double m_fMaxX;
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double m_fMinX;
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double m_fMaxXOld;
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double m_fMinXOld;
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ZxSubAxisBase* m_pAxisY;
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double m_fMaxY;
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double m_fMinY;
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double m_fMaxYOld;
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double m_fMinYOld;
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};
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