paradlg.cpp

数字信号处理作业

// ParaDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Createfilter.h"
#include "ParaDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CParaDlg dialog


CParaDlg::CParaDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CParaDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CParaDlg)
	m_b1 = 0.0f;
	m_b2 = 0.0f;
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_b0 = 0.0f;
	//}}AFX_DATA_INIT
}


void CParaDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CParaDlg)
	DDX_Control(pDX, IDC_PIC, m_pic);
	DDX_Text(pDX, IDC_EDIT2, m_b1);
	DDX_Text(pDX, IDC_EDIT3, m_b2);
	DDX_Text(pDX, IDC_EDIT1, m_b0);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CParaDlg, CDialog)
	//{{AFX_MSG_MAP(CParaDlg)
	ON_WM_CREATE()
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CParaDlg message handlers

BOOL CParaDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	SetIcon(m_hIcon, TRUE);			
	SetIcon(m_hIcon, FALSE);
	CString str;
	str.Format("请输入第%d级的各系数",m_num);
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

int CParaDlg::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CDialog::OnCreate(lpCreateStruct) == -1)
		return -1;	
	// TODO: Add your specialized creation code here	
	return 0;
}

void CParaDlg::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here
	CString str;
	str.Format("请输入第%d级的各系数",m_num);
	SetDlgItemText(IDC_COUNT, str);
	m_pic.SetBitmap(::LoadBitmap(AfxGetInstanceHandle(),MAKEINTRESOURCE(IDB_BITMAP1)));
	switch (m_num)
	{
	case 1:
		m_b0 = 0.01;
		m_b1 = 0;
		m_b2 = 0;
		break;
	case 2:
		m_b0 = 1;
		m_b1 = 1;
		m_b2 = 0;
		break;
	case 3:
		m_b0 = 1;
		m_b1 = 49;
		m_b2 = 1;
		break;
	default:
		m_b0 = m_b1 = m_b2 =0;
	}
	UpdateData(FALSE);
	// Do not call CDialog::OnPaint() for painting messages
}