zhangjg_dspview.h

这是我学习数字信号处理时编写的程序！功能就是显示一些常用的函数的图形！并可以做FFT计算！

// Zhangjg_dspView.h : interface of the CZhangjg_dspView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_ZHANGJG_DSPVIEW_H__67B07E1E_E750_404E_B2DA_1219625EA06E__INCLUDED_)
#define AFX_ZHANGJG_DSPVIEW_H__67B07E1E_E750_404E_B2DA_1219625EA06E__INCLUDED_

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


class CZhangjg_dspView : public CScrollView
{
protected: // create from serialization only
	CZhangjg_dspView();
	DECLARE_DYNCREATE(CZhangjg_dspView)

// Attributes
public:
	CZhangjg_dspDoc* GetDocument();

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CZhangjg_dspView)
	public:
	virtual void OnDraw(CDC* pDC);  // overridden to draw this view
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	protected:
	virtual void OnInitialUpdate(); // called first time after construct
	virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
	virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
	//}}AFX_VIRTUAL

// Implementation
public:
	int m_Fourierflag;
	BOOL m_Test;

	long FourierLength;
	int flag;
	double * X;    //记录数据,便于中间进行计算;
	int stepx;
	int stepy;
	int pointx;
	int pointy;
	double * AF;    //幅频特性;
	int M;
	double m_f;
	double m_a;
	void OnUpdateCoorY(CCmdUI *pCmdUI);
	void OnUpdateCoorX(CCmdUI *pCmdUI);
	//void DrawCoordinate(int stepx, int stepy,int pointx, int pointy,CDC* pDC);
	virtual ~CZhangjg_dspView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:
	CPoint m_CurPos;
// Generated message map functions
protected:
	//{{AFX_MSG(CZhangjg_dspView)
	afx_msg void OnGauss();
	afx_msg void OnTriangle();
	afx_msg void OnAttenuationsin();
	afx_msg void OnFft();
	afx_msg void OnDft();
	afx_msg void OnRectangle();
	afx_msg void OnFourier();
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnRetriangle();
	afx_msg void OnRectanglesy2();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in Zhangjg_dspView.cpp
inline CZhangjg_dspDoc* CZhangjg_dspView::GetDocument()
   { return (CZhangjg_dspDoc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_ZHANGJG_DSPVIEW_H__67B07E1E_E750_404E_B2DA_1219625EA06E__INCLUDED_)