hfilter.h

波形显示程序,高通滤波和低通滤波..........波形显示程序,高通滤波和低通滤波

#if !defined(AFX_HFILTER_H__33263045_A8FB_4235_A56E_11178D93573B__INCLUDED_)
#define AFX_HFILTER_H__33263045_A8FB_4235_A56E_11178D93573B__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// HFilter.h : header file
//

/////////////////////////////////////////////////////////////////////////////
// CHFilter dialog

class CHFilter : public CDialog
{
// Construction
private:
	CDC *pDC; //屏幕绘图设备
	CDC memDC; //内存绘图设备
	int m_High; //绘图起点
	int m_Low; //绘图终点
	float m_lCount[1024]; //数据存储数组
	int m_now; //记录波形当前点
public:
	CHFilter(CWnd* pParent = NULL);   // standard constructor
    void DrawWave1(CDC *pDC);
	float CHFilter::hfilter(float *data ,long len);
// Dialog Data
	//{{AFX_DATA(CHFilter)
	enum { IDD = IDD_HFilter };
		// NOTE: the ClassWizard will add data members here
	//}}AFX_DATA


// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CHFilter)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:

	// Generated message map functions
	//{{AFX_MSG(CHFilter)
	virtual BOOL OnInitDialog();
	afx_msg void OnPaint();
	afx_msg void OnTimer(UINT nIDEvent);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_HFILTER_H__33263045_A8FB_4235_A56E_11178D93573B__INCLUDED_)