www.pudn.com > wavelet-vc++6.rar > CS92.cpp

// CS92->cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "wavelet.h" 
#include "CS92.h" 
#include "MainFrm.h" 
#include "waveletView.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CCS92 dialog 
 
 
CCS92::CCS92(CWnd* pParent /*=NULL*/) 
	: CDialog(CCS92::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CCS92) 
	m_filename = _T(""); 
	m_datalength = 0; 
	//}}AFX_DATA_INIT 
} 
 
 
void CCS92::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CCS92) 
	DDX_Text(pDX, IDC_EDIT1, m_filename); 
	DDX_Text(pDX, IDC_EDIT2, m_datalength); 
	//}}AFX_DATA_MAP 
} 
 
 
BEGIN_MESSAGE_MAP(CCS92, CDialog) 
	//{{AFX_MSG_MAP(CCS92) 
	ON_BN_CLICKED(IDC_FILELOOK, OnFilelook) 
	ON_WM_SIZE() 
	ON_WM_PAINT() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CCS92 message handlers 
 
void CCS92::OnFilelook() 
{ 
	// TODO: Add your control notification handler code here 
	static char szFilter[]="DAT文件(*.dat)|*.dat||"; 
  	CFileDialog dlg(TRUE,"dat",NULL,OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,szFilter);	 
    if(dlg.DoModal()==IDOK) 
	{ 
 	   m_filename=dlg.GetPathName();  
	}  
	UpdateData(FALSE); 
} 
 
 
void CCS92::DrawWave() 
{ 
    CMainFrame* pFrame=(CMainFrame*)AfxGetApp()->GetMainWnd(); 
    CWaveletView* pView=(CWaveletView*)pFrame->GetActiveView(); 
    CDC* dc=pView->GetDC(); 
	CFile file; 
	float* p; 
	if(!file.Open((LPCTSTR)m_filename,CFile::modeRead)) 
	{ 
		AfxMessageBox("打不开文件！"); 
		return ; 
	} 
	p=new float[sizeof(float)*m_datalength]; 
	if(file.Read(p,m_datalength*sizeof(float))!=m_datalength*sizeof(float)) 
	{ 
	    AfxMessageBox("读文件出错.......！"); 
		return; 
	} 
	file.Close(); 
	if(m_filename==""||m_datalength==0) 
		 return; 
	int k;  
	float max=0,min=1000,temp; 
	CPen pen(PS_SOLID,1,RGB(255,0,0)); 
	CPen* oldpen; 
	oldpen=dc->SelectObject(&pen); 
	dc->MoveTo(65,400);dc->LineTo(577,400); 
	dc->LineTo(577,80);dc->LineTo(65,80);dc->LineTo(65,400); 
	dc->MoveTo(165,395);dc->LineTo(165,400); 
	dc->MoveTo(265,395);dc->LineTo(265,400); 
    dc->MoveTo(265,395);dc->LineTo(265,400); 
    dc->MoveTo(265,395);dc->LineTo(265,400); 
	dc->MoveTo(365,395);dc->LineTo(365,400); 
	dc->MoveTo(465,395);dc->LineTo(465,400); 
	dc->MoveTo(565,395);dc->LineTo(565,400); 
	dc->TextOut(137,25,m_filename); 
	dc->TextOut(137,405,"100"); 
	dc->TextOut(237,405,"200"); 
	dc->TextOut(337,405,"300"); 
	dc->TextOut(437,405,"400"); 
	dc->TextOut(537,405,"500"); 
	dc->MoveTo(65,95);dc->LineTo(70,95); 
	dc->MoveTo(65,167);dc->LineTo(70,167); 
	dc->MoveTo(65,240);dc->LineTo(70,240); 
	dc->MoveTo(65,312);dc->LineTo(70,312); 
	dc->MoveTo(65,385);dc->LineTo(70,385); 
	dc->TextOut(13,92,"1.0"); 
	dc->TextOut(13,163,"0.5"); 
	dc->TextOut(10,237,"0.0"); 
	dc->TextOut(1,308,"-0.5"); 
	dc->TextOut(1,380,"-1.0"); 
	for(k=0;kmax) max=*(p+k); 
		if(*(p+k)SelectObject(&pen1); 
	dc->MoveTo(65,int(240-*p*temp)); 
	for(k=1;k<=m_datalength-1;k++) 
		dc->LineTo(65+k,int(240-*(p+k)*temp)); 
	pen1.DeleteObject(); 
 
} 
 
void CCS92::OnSize(UINT nType, int cx, int cy)  
{ 
	CDialog::OnSize(nType, cx, cy); 
	flag=TRUE; 
} 
 
void CCS92::OnPaint()  
{ 
	CPaintDC dc(this); // device context for painting 
	 
    if(flag) 
	{ 
		DrawWave(); 
		flag=FALSE; 
	} 
	// Do not call CDialog::OnPaint() for painting messages 
}