www.pudn.com > 仪表.rar > Meter.h

#if !defined(AFX_METER_H__D5802279_6502_4453_BE21_58604877AD39__INCLUDED_) 
#define AFX_METER_H__D5802279_6502_4453_BE21_58604877AD39__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
// Meter.h : header file 
// 
 
#ifndef ROUND 
#define ROUND(x) (int)((x) + 0.5 - (double)((x) < 0)) 
#endif 
 
#define BOUNDARY_POINTS 200 
#define TABNUM 5 
///////////////////////////////////////////////////////////////////////////// 
// CMeter window 
 
class CMeter : public CStatic 
{ 
// Construction 
public: 
	CMeter(); 
 
// Attributes 
public: 
 
// Operations 
public: 
 
// Overrides 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CMeter) 
	protected: 
	//}}AFX_VIRTUAL 
 
// Implementation 
public: 
	void SetAngleRange(int nStartAngleDeg, int nEndAngleDeg); 
	int m_nTabNum; 
	void SetSubTicks(int nSubTicks); 
	void SetTicks(int nTicks); 
	void DrawValue(CDC *pDC); 
	void SetColorTick(BOOL bColorTick = FALSE); 
	BOOL m_bColorTick; 
	void DrawNode(CDC *pDC); 
	COLORREF m_colorTable[5]; 
	void SetValueDecimals(int nDecimals); 
	void SetUnits(CString &strUnits); 
	CString m_strUnits; 
	int m_nValueDecimals; 
	void SetScaleDecimals(int nDecimals); 
	void SetRange(double dMin, double dMax); 
	void SetNeedleColor (COLORREF colorNeedle); 
	void UpdateNeedle(double dValue); 
	COLORREF m_colorNeedle; 
	int m_nScaleDecimals; 
	 
	double m_dCurrentValue; 
	double m_dMaxValue; 
	double m_dMinValue; 
 
	void DrawNeedle(CDC *pDC); 
	void ReconstructControl(); 
	void DrawMeterBackground(CDC *pDC, CRect &rect); 
	int m_nStartAngleDeg;	// 仪表盘圆弧起始角度 
	int m_nEndAngleDeg;		// 仪表盘圆弧终止角度 
	int m_nTicks;			// 刻度数 
	int m_nSubTicks;		// 分刻度数 
	virtual ~CMeter(); 
 
	// Generated message map functions 
protected: 
	double m_dLeftAngleRad; 
	double m_dRightAngleRad; 
	int m_nCenterRadius; 
	 
	CRect m_rectCtrl;			// 控件区域 
	CRect m_rectValue;			// 显示数值区域 
	CRgn m_rgnBoundary; 
 
	CBitmap *m_pBitmapOldBackground ; 
	CBitmap m_bitmapBackground ; 
	CDC m_dcBackground; 
 
	CPoint m_ptMeterCenter;		// 仪表中心 
	CPoint m_pointBoundary[BOUNDARY_POINTS]; // 边界点，用于绘制刻度 
 
	CFont m_font;			// 显示文字字体 
 
	COLORREF m_colorWindow;		// 背景色 
	COLORREF m_colorHighlight;	 
	COLORREF m_colorShadow; 
	COLORREF m_colorButton; 
	COLORREF m_colorText;		// 显示文本颜色 
 
	int m_nRadiusFrame;			// 仪表盘边框半径 
	//{{AFX_MSG(CMeter) 
	afx_msg void OnPaint(); 
	afx_msg void OnSize(UINT nType, int cx, int cy); 
	//}}AFX_MSG 
 
	DECLARE_MESSAGE_MAP() 
}; 
 
///////////////////////////////////////////////////////////////////////////// 
 
//{{AFX_INSERT_LOCATION}} 
// Microsoft Visual C++ will insert additional declarations immediately before the previous line. 
 
#endif // !defined(AFX_METER_H__D5802279_6502_4453_BE21_58604877AD39__INCLUDED_)