//*******************************************************************************************************/
//* FileName        : clPlot.h
//* Description	    : Real Time Plot for MFC
//* Contents:		: timeaxis	time axis info
//*					  serie		data serie info & array
//*					  clPlot	The plot itself.
//* Author          : Jan Vidar Berger, 
//* Modified  by	: Bill Chen
//* Time			: 2004.7.20	xianch@126.com
//*******************************************************************************************************/

#if !defined(AFX_DQPLOT_H__0D536D37_5CF1_11D1_AED1_0060973A08A4__INCLUDED_)
#define AFX_DQPLOT_H__0D536D37_5CF1_11D1_AED1_0060973A08A4__INCLUDED_

#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000
// clPlot.h : header file
//
#define SERIENUMBER		5
#define MAXSIRIEDATA	140	// 60 * 2, 每格最多兩個數(shù)據(jù)
#define COORWIDTH	35	// 每個坐標(biāo)數(shù)值的寬度

//*******************************************************************************************************/
//* simple data value struct. used in dynamic array
//*******************************************************************************************************/
typedef struct _value
{
	double	dValue;
	CTime	ValueTime;
}value;

//*******************************************************************************************************/
//* time axis
//*******************************************************************************************************/
class  AFX_EXT_CLASS timeaxis
{
public:
	CString		m_szTitle;		// time axis title;
	CTime		m_mintime;		// min time
	CTime		m_maxtime;		// max time
	int			m_iTimeMode;	// axis grid and legend interval index

	double		m_dSecondsPrPixel;	//時間間隔(秒)/畫圖區(qū)寬度

	timeaxis()
	{
		m_szTitle = "Time";
		m_mintime = 0;
		m_maxtime = 600;
		m_iTimeMode = 0;
		m_dSecondsPrPixel = 1;
	}
};

/*******************************************************************************************************
//* data serie
	改進(jìn)的循環(huán)隊列, 元素個數(shù)為 #define MAXSIRIEDATA	140 個,
	開始時, m_lbegin == m_lend
	訪問數(shù)據(jù)時, 若 m_lbegin != m_lend, go on!

*******************************************************************************************************/
class  AFX_EXT_CLASS serie
{
public:
	COLORREF	m_color;		// serie line color
	int			m_iLineStyle;	// line style
	value		m_pvalues[MAXSIRIEDATA];		// value array
	int		m_lbegin;		// list begin
	int		m_lend;			// list end

	// Added later
	int m_nMinValue;
	int m_nMaxValue;
	CString m_strTitle;

	serie();
	~serie();

	void AddPoint(CTime &valuetime, double y);
	void Reset();
//private:
	int		m_lNoValues;	// number values (used for array size)

};

//*******************************************************************************************************/
//* Class           : clPlot
//*
//* Base Class      : public CWnd
//*
//* Description     : Plot Component.
//*
//*					  This is a standard plot and can be used for any application.
//*
//* Author          : Jan Vidar Berger
//* Modified by		: Bill chen
//*******************************************************************************************************/
class AFX_EXT_CLASS clPlot : public CWnd
{
// Construction
public:
	clPlot( int timespan = 1 );	// timespan in minutes

	virtual ~clPlot();

// Attributes
public:
	int			m_nSpanTime;

	CRect		m_clientRect;		// actual controlled rect
	CRect		m_plotRect;			// clientRect - margins

	int			m_iMleft;			// left margin
	int			m_iMright;			// right margin
	int			m_iMtop;			// top margin
	int			m_iMbottom;			// bottom margin

	COLORREF	m_ctlBkColor;		// control background color
	COLORREF	m_gridColor;		// grid line color

	BOOL		m_bAutoScrollX;		// automatic x range scrolling, import

	serie		m_series[SERIENUMBER];	// 存放點位置

	timeaxis	m_timeaxis;			// bottom axis

	CFont		m_font;
	// 定義兩種字體格式
	LOGFONT		m_logFont;
	LOGFONT		m_zoomFont;	// 默認(rèn)字體, used in ComputeRects

	double		m_dzoom;
	int			m_TextHeight;	// 一個字符的高度

// Operations
public:
	BOOL		Create(DWORD dwstyle, CRect &rect, CWnd *pParent, UINT id);
	void		MoveWindow(CRect &Rect);

	void		ClearData();

	virtual void Draw(CDC * dc);			// Draw the entire plot
	virtual void DrawBasic(CDC * dc);		// Draw plot basics
	virtual void DrawPlot(CDC * dc);		// Draw the plot series
	virtual void DrawSerie(CDC *dc, int serie);
	virtual void DrawGrid(CDC * dc);		// Draw grids

	virtual void DrawYAxisGrid(CDC * dc);
	virtual void DrawXAxisGrid(CDC * dc);

	virtual void ComputeRects(BOOL bInitialize);

	virtual BOOL AddPoint(int serie, CTime &valuetime, double y);
	virtual void SetBXRange(CTime &fromtime, CTime &totime,BOOL bMove=TRUE);

	virtual void SetSerie(int s, int style, COLORREF color, 
		int minrange, int maxrange, const char *szTitle);
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(clPlot)
	//}}AFX_VIRTUAL

// Implementation
public:

	// Generated message map functions
protected:
	//{{AFX_MSG(clPlot)
	afx_msg void OnPaint();
	//}}AFX_MSG
	BOOL clPlot::OnEraseBkgnd(CDC* pDC) ;
	DECLARE_MESSAGE_MAP()
private:
	void WriteLegend(CDC *dc, int s);
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Developer Studio will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_DQPLOT_H__0D536D37_5CF1_11D1_AED1_0060973A08A4__INCLUDED_)