76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
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/*
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*
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* ChartStandardAxis.h
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*
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* Written by C<EFBFBD>dric Moonen (cedric_moonen@hotmail.com)
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*
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*
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*
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* This code may be used for any non-commercial and commercial purposes in a compiled form.
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* The code may be redistributed as long as it remains unmodified and providing that the
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* author name and this disclaimer remain intact. The sources can be modified WITH the author
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* consent only.
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*
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* This code is provided without any garanties. I cannot be held responsible for the damage or
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* the loss of time it causes. Use it at your own risks
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*
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* An e-mail to notify me that you are using this code is appreciated also.
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*
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*
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*/
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#ifndef _CHARTSTANDARDAXIS_H_
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#define _CHARTSTANDARDAXIS_H_
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#include "ChartAxis.h"
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//! Specialization of a CChartAxis class to display standard values.
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class CChartStandardAxis : public CChartAxis
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{
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friend CChartCtrl;
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public:
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//! Sets the tick increment.
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/**
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The tick increment is the value between two adjacents
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ticks on the axis.
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@param bAuto
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Specifies if the tick increment is automatically calculated.
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@param newIncrement
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The tick increment to use in manual mode.
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**/
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void SetTickIncrement(bool bAuto, double newIncrement);
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//! Gets the tick increment.
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/**
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The tick increment is the value between two adjacents
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ticks on the axis.
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**/
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double GetTickIncrement() const { return m_dTickIncrement; }
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private:
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//! Default constructor
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CChartStandardAxis();
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//! Default destructor
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~CChartStandardAxis();
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double GetFirstTickValue() const;
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bool GetNextTickValue(double dCurrentTick, double& dNextTick) const;
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TChartString GetTickLabel(double TickValue) const;
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long ValueToScreenDiscrete(double Value) const;
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long GetTickPos(double TickVal) const;
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void RefreshTickIncrement();
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void RefreshFirstTick();
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//! Sets the number of decimals points.
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void SetDecimals(unsigned uDecimals) { m_uDecCount = uDecimals; }
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//! Caches the value of the first tick.
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double m_dFirstTickValue;
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//! Indicates the space between ticks (in axis value).
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double m_dTickIncrement;
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//! Number of decimals to display for tick labels.
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unsigned int m_uDecCount;
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};
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#endif // _CHARTSTANDARDAXIS_H_
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