dlg06.cpp

DSP图像处理程序源码

// Dlg06.cpp : implementation file
//

#include "stdafx.h"
#include "DSP.h"
#include "Dlg06.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CDlg06 dialog


CDlg06::CDlg06(CWnd* pParent /*=NULL*/)
	: CDialog(CDlg06::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDlg06)
	m_sgn = _T("");
	m_dft = 0.0;
	m_fft = 0.0;
	m_N = 0;
	//}}AFX_DATA_INIT
}


void CDlg06::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDlg06)
	DDX_Text(pDX, IDC_EDIT1, m_sgn);
	DDX_Text(pDX, IDC_EDIT3, m_dft);
	DDX_Text(pDX, IDC_EDIT4, m_fft);
	DDX_Control(pDX, IDC_MSFLEXGRID1, m_grid);
	DDX_Text(pDX, IDC_EDIT2, m_N);
	DDV_MinMaxInt(pDX, m_N, 1, 5000);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDlg06, CDialog)
	//{{AFX_MSG_MAP(CDlg06)
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDlg06 message handlers

void CDlg06::OnButton1() 
{
	// TODO: Add your control notification handler code here
	UpdateData();
	int i;
	int m_fftn=m_N;
	sgntemp.CStringToSignal(m_sgn);
	sgntemp.fitForLen(m_N);
	
	sgndft=sgntemp;
	CycleCountStart();
	CDFT::DFT(sgndft.sgnt,sgndft.sgnw,sgndft.length);
	CycleCountEnd();
	m_dft=CycleCountElapse();
	while (!CFFT::IS2N(m_fftn))
	{
		m_fftn++;
	}
	sgntemp.fitForLen(m_fftn);
	sgnfft=sgntemp;
	CycleCountStart();
	CFFT::FFT(sgnfft.sgnt,sgnfft.sgnw,sgnfft.length);
	CycleCountEnd();
	m_fft=CycleCountElapse();
	CDC* pDC = GetDC();
	m_grid.SetRows(4);
	m_grid.SetCols(sgntemp.length+1);
	for (i=1;i<=m_fftn;i++)
	{
		m_grid.SetColWidth ( i,( long ) ( 144 * 1440.0 / pDC->GetDeviceCaps(LOGPIXELSX) ) );
	}
	m_grid.SetTextMatrix(1,0,"Time");
	m_grid.SetTextMatrix(2,0,"Dft");
	m_grid.SetTextMatrix(3,0,"Dft");
	CString str;
	CString str1;
	for (i=0;i<m_N;i++)
	{	str.Empty();
		str.Format("%d",i+1);
		m_grid.SetTextMatrix(0,i+1,str);
		str.Empty();
		str1.Empty();
		str.Format("%4.4f",sgndft.sgnw[i].real);
		str1.Format("%4.4f",sgndft.sgnw[i].imag);
		if (sgndft.sgnw[i].imag>0)
			str=str+'+'+str1+'i';
		else
			str=str+str1+'i';
		m_grid.SetTextMatrix(2,i+1,str);
	}
	for (i=0;i<m_fftn;i++)
	{	
		str.Empty();
		str.Format("%4.4f",sgntemp.sgnt[i]);
		m_grid.SetTextMatrix(1,i+1,str);
		str.Empty();
		str1.Empty();
		str.Format("%4.4f",sgnfft.sgnw[i].real);
		str1.Format("%4.4f",sgnfft.sgnw[i].imag);
		if (sgnfft.sgnw[i].imag>0)
			str=str+'+'+str1+'i';
		else
			str=str+str1+'i';
		m_grid.SetTextMatrix(3,i+1,str);
	}
	
	UpdateData(FALSE);
}

void CDlg06::OnCancel() 
{
	// TODO: Add extra cleanup here
	MessageBox("真的要退出吗?");
	CDialog::OnCancel();
}