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#pragma once
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#include "Defines.h"
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#include "ZxObjLineTool.h"
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// 特征线工具
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class I_PLOTCURVE_T_EXPORT ZxObjLineSlrTool : public ZxObjLineTool
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{
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Q_OBJECT
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public:
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ZxObjLineSlrTool();
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//ZxObjLineSlrTool(const ZxObjLineSlrTool& c);
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public:
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// 注意:由于线两个点的handle本身有大小,当拖动handle移动时,
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// m_ptStart选的是handle中点中的位置,而不是线的端点位置
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// 所以这样常常会导致,斜率会无法保持一致
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// 故需要对m_ptStart进行校正
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virtual bool onLeftDown(const QPointF& pt);
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virtual bool onLeftUp(const QPointF& pt);
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virtual bool onMouseMove(const QPointF& pt);
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virtual void onPaint(QPainter* painter, const ZxPaintParam& param);
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//protected:
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// virtual Qt::CursorShape getCursorBy(const int& nOption,
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// const int& nSubIndex);
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};
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