2dscale.h

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// $Header: /home/cvsroot/SoccerDoctor/Chart/2DScale.h,v 1.1 2002/09/07 06:03:54 peter Exp $
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/*                                                                                              */
/* File    : 2DScale.h                                                                          */
/*                                                                                              */
/* Purpose : interface for the Axis in the CChartCtrl                                           */
/*                                                                                              */
/* Author  : Scott Pelger                                             Date Created: 10JUN02     */
/*                                                                                              */
/* Revisions                                                                                    */
/*                                                                                              */
/* Engineer              Date        Description                                                */
/*                                                                                              */
/* Scott Pelger          10JUN02     initial version                                            */
/*                                                                                              */
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#if !defined(AFX_2DSCALE_H__4C11AF0A_7C23_4F26_9717_0D149B930D12__INCLUDED_)
#define AFX_2DSCALE_H__4C11AF0A_7C23_4F26_9717_0D149B930D12__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "ChartConstants.h"
#include "math.h"
#include "DataSeries.h"

class C2DScale {

    public:
	    C2DScale(BOOL bXAxis=TRUE, BOOL bYAxis=TRUE);
	    virtual     ~C2DScale();

        COLORREF    GetLineColor(void) {return m_LineColor;};
        void        SetLineColor(COLORREF LineColor);
        COLORREF    GetChartFillColor(void) {return m_ChartFillColor;};
        void        SetChartFillColor(COLORREF FillColor) {m_ChartFillColor = FillColor;};
        void        DrawAxis(CDC* pDC, CRect* pRect);
        void        SetStyle(DWORD dwStyle);
        void        ClearStyle(DWORD dwStyle);
        DWORD       GetStyle(DWORD dwStyle);
        
        void        SetAxisScale(enum AXIS eAxis, double dMin, double dMax);
        void        GetAxisScale(enum AXIS eAxis, double& dMin, double& dMax);
        void        SetScaleStep(enum AXIS eAxis, double dMin, double dMax);
        void        GetScaleStep(enum AXIS eAxis, double& dMin, double& dMax);
        
        void        SetAxisFormatString(enum AXIS eAxis, CString& Format);
        
        BYTE        GetDepth(void) {return m_yDepth;};
        double      GetHorzRotation(void) {return m_dHorzRotation;};
        double      GetVertRotation(void) {return m_dVertRotation;};
        void        SetDepth(BYTE yDepth) {m_yDepth = yDepth;};
        void        SetHorzRotation(double dHorzRotation) {m_dHorzRotation = dHorzRotation;};
        void        SetVertRotation(double dVertRotation) {m_dVertRotation = dVertRotation;};
        void        SetAxisText(enum AXIS eAxis, CString* String);
        void        NotifyRemovedDataPoint(BOOL bRemoved) {m_bRemoved = bRemoved;};
        
        CFont*      m_pYAxisFont;
        CFont*      m_pFont;
        CString     m_sXAxisText;
        CString     m_sYAxisText;
        CString     m_sXAxisFormat;
        CString     m_sYAxisFormat;

        friend void CDataSeriesArray::DrawData(CDC* pDC, C2DScale* pScale);
        friend void CDataSeriesArray::DrawIcons(CDC* pDC, C2DScale* pScale);
        friend void CDataSeriesArray::_DrawLineChart(int nX, int nY);
        friend void CDataSeriesArray::_DrawRotatedLineChart(int nX, int nY);
        friend void CDataSeriesArray::_DrawAreaChart(int nX, int nY);
        friend void CDataSeriesArray::_DrawXYChart(int nX, int nY);
        friend void CDataSeriesArray::_DrawRotatedXYChart(int nX, int nY);
        friend void CDataSeriesArray::_DrawBarChart(int nX, int nY);
        friend void CDataSeriesArray::_DrawPieChart(int nX, int nY);
        friend void CDataSeriesArray::_DrawRotatedPieChart(int nX, int nY);
        
        CRect*      GetRect(void) {return m_pRect;};
        BOOL        HasVerticalScalingChanged(void) {return m_dPrevYMin!=m_dYMin||m_dPrevYMax!=m_dYMax;};
        
    private:
        void        _SetDrawingArea(WORD& wMaxWidthXAxis, WORD& wMaxWidthYAxis, int& nXAxisOffset, int& nYAxisOffset, CRect* TickRectX, CRect* TickRectY);
        void        _DrawTickText(WORD wMaxWidthXAxis, WORD wMaxWidthYAxis, int nXAxisOffset, int nYAxisOffset, CRect* TickRectX, CRect* TickRectY);
        void        _PrintXAxisLabelText(CRect* pTickRectX, double dStepX, int nOffset, WORD wVertOffset);
        void        _PrintAxisText(int& nXAxisOffset, int& nYAxisOffset);
        void        _DrawAxis(void);
        void        _DrawGraticules(void);
        void        _DrawTickMarks(void);
        int         _XValueToPixel(double dValue);
        int         _YValueToPixel(double dValue);
        double      _XPixelToValue(int nPixel);
        double      _YPixelToValue(int nPixel);

    private:
        BOOL        m_bXAxis;
        BOOL        m_bYAxis;
        double      m_dXMin;
        double      m_dXMax;
        double      m_dYMin;
        double      m_dYMax;
        double      m_dPrevYMin; //means of detecting a vertical scaling delta
        double      m_dPrevYMax; //means of detecting a vertical scaling delta
        
    protected:
        double      m_dMinorStepX;
        double      m_dMajorStepX;
        double      m_dMajorStepXDraw;
        double      m_dMinorStepY;
        double      m_dMajorStepY;
        double      m_dMajorStepYDraw;
        DWORD       m_dwXStyle;
        DWORD       m_dwYStyle;
        DWORD       m_dwGenericStyle;

        CDC*        m_pDC;
        CPen        m_Pen;
        CRect*      m_pRect;
        CRect       m_FullRect;
        
        COLORREF    m_LineColor;
        COLORREF    m_ChartFillColor;
        
        BYTE        m_yDepth;
        double      m_dHorzRotation;
        double      m_dVertRotation;

        BOOL        m_bRemoved; //for the strip chart
    };

#endif // !defined(AFX_2DSCALE_H__4C11AF0A_7C23_4F26_9717_0D149B930D12__INCLUDED_)


//***********************************************************************************************
// END OF FILE
// $Log: 2DScale.h,v $
// Revision 1.1  2002/09/07 06:03:54  peter
// 新的chart类，从别的地方拷来的
//
//***********************************************************************************************