www.pudn.com > FFTConversion.rar > FFTConversionDlg.cpp

// FFTConversionDlg.cpp : 实现文件 
// 
 
#include "stdafx.h" 
#include "FFTConversion.h" 
#include "FFTConversionDlg.h" 
#include ".\fftconversiondlg.h" 
#include  
#include "ListOper.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#endif 
 
 
// 用于应用程序“关于”菜单项的 CAboutDlg 对话框 
 
class CAboutDlg : public CDialog 
{ 
public: 
	CAboutDlg(); 
 
// 对话框数据 
	enum { IDD = IDD_ABOUTBOX }; 
 
	protected: 
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV 支持 
 
// 实现 
protected: 
	DECLARE_MESSAGE_MAP() 
}; 
 
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) 
{ 
} 
 
void CAboutDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
} 
 
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) 
END_MESSAGE_MAP() 
 
 
// CFFTConversionDlg 对话框 
 
 
 
CFFTConversionDlg::CFFTConversionDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CFFTConversionDlg::IDD, pParent) 
	, m_NumN(0) 
	, m_NumF(0) 
	, m_NumT(0) 
{ 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CFFTConversionDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	DDX_Text(pDX, IDC_EDTN, m_NumN); 
	DDV_MinMaxInt(pDX, m_NumN, 0, 10000); 
	DDX_Text(pDX, IDC_EDTF, m_NumF); 
	DDV_MinMaxInt(pDX, (int)m_NumF, 0, 10000); 
	DDX_Text(pDX, IDC_EDTT, m_NumT); 
	DDV_MinMaxInt(pDX, (int)m_NumT, 0, 10000); 
} 
 
BEGIN_MESSAGE_MAP(CFFTConversionDlg, CDialog) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	//}}AFX_MSG_MAP 
	ON_BN_CLICKED(IDC_BTNCLOSE, OnBnClickedBtnclose) 
	ON_BN_CLICKED(IDC_BTNCAL, OnBnClickedBtncal) 
END_MESSAGE_MAP() 
 
 
// CFFTConversionDlg 消息处理程序 
 
BOOL CFFTConversionDlg::OnInitDialog() 
{ 
	CDialog::OnInitDialog(); 
 
	// 将\“关于...\”菜单项添加到系统菜单中。 
 
	// IDM_ABOUTBOX 必须在系统命令范围内。 
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); 
	ASSERT(IDM_ABOUTBOX < 0xF000); 
 
	CMenu* pSysMenu = GetSystemMenu(FALSE); 
	if (pSysMenu != NULL) 
	{ 
		CString strAboutMenu; 
		strAboutMenu.LoadString(IDS_ABOUTBOX); 
		if (!strAboutMenu.IsEmpty()) 
		{ 
			pSysMenu->AppendMenu(MF_SEPARATOR); 
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); 
		} 
	} 
 
	// 设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动 
	//  执行此操作 
	SetIcon(m_hIcon, TRUE);			// 设置大图标 
	SetIcon(m_hIcon, FALSE);		// 设置小图标 
 
	ShowWindow(SW_SHOW); 
 
	// TODO: 在此添加额外的初始化代码 
	((CButton*)this->GetDlgItem(IDC_RADIODFT))->SetCheck(TRUE); 
	this->m_NumN = 32; 
	this->m_NumF = 50; 
	this->m_NumT = (float)0.000625; 
	this->UpdateData(FALSE); 
	return TRUE;  // 除非设置了控件的焦点，否则返回 TRUE 
} 
 
void CFFTConversionDlg::OnSysCommand(UINT nID, LPARAM lParam) 
{ 
	if ((nID & 0xFFF0) == IDM_ABOUTBOX) 
	{ 
		CAboutDlg dlgAbout; 
		dlgAbout.DoModal(); 
	} 
	else 
	{ 
		CDialog::OnSysCommand(nID, lParam); 
	} 
} 
 
// 如果向对话框添加最小化按钮，则需要下面的代码 
//  来绘制该图标。对于使用文档/视图模型的 MFC 应用程序， 
//  这将由框架自动完成。 
 
void CFFTConversionDlg::OnPaint()  
{ 
	if (IsIconic()) 
	{ 
		CPaintDC dc(this); // 用于绘制的设备上下文 
 
		SendMessage(WM_ICONERASEBKGND, reinterpret_cast(dc.GetSafeHdc()), 0); 
 
		// 使图标在工作矩形中居中 
		int cxIcon = GetSystemMetrics(SM_CXICON); 
		int cyIcon = GetSystemMetrics(SM_CYICON); 
		CRect rect; 
		GetClientRect(&rect); 
		int x = (rect.Width() - cxIcon + 1) / 2; 
		int y = (rect.Height() - cyIcon + 1) / 2; 
 
		// 绘制图标 
		dc.DrawIcon(x, y, m_hIcon); 
	} 
	else 
	{ 
		CDialog::OnPaint(); 
	} 
} 
 
//当用户拖动最小化窗口时系统调用此函数取得光标显示。 
HCURSOR CFFTConversionDlg::OnQueryDragIcon() 
{ 
	return static_cast(m_hIcon); 
} 
 
void CFFTConversionDlg::OnBnClickedBtnclose() 
{ 
	// TODO: 在此添加控件通知处理程序代码 
	this->DestroyWindow(); 
} 
float pi = (float)3.1415926; 
int GetInverse(int N,int preNum) 
{ 
	int K = N/2; 
	if(preNumUpdateData(TRUE); 
	int nN = this->m_NumN; 
	float fF = this->m_NumF; 
	float fT = this->m_NumT; 
 
	bool bIsTimesof2 = false; 
	for(int i=0;i<100;i++) 
	{ 
        if(nN==(2<GetDlgItem(IDC_EDTN)->SetFocus(); 
		return; 
	} 
	COMP* x = new COMP[nN];//x(n) 
	COMP* X = new COMP[nN];//X(k)  
	initX(nN,x,fF,fT); 
	CButton* pRadio = (CButton*)this->GetDlgItem(IDC_RADIODFT); 
 
 
	if(pRadio->GetCheck()) 
	{ 
		DFT(nN,x,X); 
	} 
	else 
	{ 
		FFT(nN,x,X);		 
	} 
 
	char buffer[256]; 
	COMP source = X[nN-1]; 
	sprintf(buffer,"%f+%fi",source.real(),source.imag()); 
	CWnd* pwnd = this->GetDlgItem(IDC_EDTRET); 
	pwnd->SetWindowText(buffer); 
	 
	CListCtrl* pList=(CListCtrl*) this->GetDlgItem(IDC_LIST1); 
	CListOper oper; 
	oper.FillList(*pList,nN,x,X); 
 
	delete[] x;  
	delete[] X; 
 
} 
 
void CFFTConversionDlg::OnOK() 
{ 
	// TODO: 在此添加专用代码和/或调用基类 
 
	//CDialog::OnOK(); 
}