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48 lines
1.0 KiB
C++
48 lines
1.0 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//文件: 刻度步长自动展示
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//主要功能:
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//
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//程序编写: 2011-11-15
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//
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//
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/////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include "TInterval.h"
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// 为了获得标尺上的刻度分布方式，使显示效果更好
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class AFX_EXT_CLASS CAxisLayout
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{
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public:
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CAxisLayout();
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// Init with explicit layout
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CAxisLayout(double start_, double stop_, double step_);
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CAxisLayout(TIntervalStep<double> is);
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// Returns 'modulo' end with this sd and stop
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double findEnd(double datastop) const;
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// Have layout calculated
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void setDataRange(const TIntervalStep<double>& dr);
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void setDataRange(double start_, double stop_, double step_);
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TIntervalStep<double> sd;
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public:
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class AFX_EXT_CLASS CLinScaler
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{
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public:
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CLinScaler(double x0, double y0, double x1, double y1);
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void setValue(double x0, double y0, double x1, double y1);
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double scale(double) const;
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double unScale(double) const;
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double constant;
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double factor;
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};
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};
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