waveshowerdoc.cpp

一个将MIT/BH心电图数据库中的数据转换成INTEL格式文件并显示出来的程序

// WaveShowerDoc.cpp : implementation of the CWaveShowerDoc class
//

#include "stdafx.h"
#include "WaveShower.h"

#include "WaveShowerDoc.h"

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

/////////////////////////////////////////////////////////////////////////////
// CWaveShowerDoc

IMPLEMENT_DYNCREATE(CWaveShowerDoc, CDocument)

BEGIN_MESSAGE_MAP(CWaveShowerDoc, CDocument)
	//{{AFX_MSG_MAP(CWaveShowerDoc)
	ON_COMMAND(IDM_CONVERTER, OnConverter)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWaveShowerDoc construction/destruction

CWaveShowerDoc::CWaveShowerDoc()
{
	// TODO: add one-time construction code here

}

CWaveShowerDoc::~CWaveShowerDoc()
{
}

BOOL CWaveShowerDoc::OnNewDocument()
{
	if (!CDocument::OnNewDocument())
		return FALSE;

	// TODO: add reinitialization code here
	// (SDI documents will reuse this document)

	return TRUE;
}



/////////////////////////////////////////////////////////////////////////////
// CWaveShowerDoc serialization

void CWaveShowerDoc::Serialize(CArchive& ar)
{
	if (ar.IsStoring())
	{
		// TODO: add storing code here
	}
	else
	{
		// TODO: add loading code here
	}
}

/////////////////////////////////////////////////////////////////////////////
// CWaveShowerDoc diagnostics

#ifdef _DEBUG
void CWaveShowerDoc::AssertValid() const
{
	CDocument::AssertValid();
}

void CWaveShowerDoc::Dump(CDumpContext& dc) const
{
	CDocument::Dump(dc);
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CWaveShowerDoc commands

void CWaveShowerDoc::OnConverter() 
{
	// TODO: Add your command handler code here
	CString filename;
	CFileDialog filedlg(TRUE);
	filedlg.m_ofn.lpstrTitle="打开心电图原始文件";
	filedlg.m_ofn.lpstrFilter="心电图文件(*.dat)\0*.dat\0\0";
	if(filedlg.DoModal()==IDOK)
	{
	  filename=filedlg.GetFileName();
      CFile file;
	  file.Open(filename,CFile::modeRead,NULL);
	  int filelen;
	  filelen=file.GetLength();
	  unsigned char* buffer0;
	  unsigned char* totabuffer;
	 
	  totabuffer= new unsigned char[filelen];
	  buffer0=new unsigned char[filelen/3*2];
	  file.Read(totabuffer,filelen);
	  file.Close();
	  unsigned char tmpval;
	  for(int i=0;i<filelen/3;i++)
	  {
          tmpval=totabuffer[3*i+2];
		  buffer0[2*i+1]=tmpval;
		  tmpval=totabuffer[3*i+1];
		  tmpval=0xf0&tmpval;
		  tmpval=tmpval>>4;
		  buffer0[2*i]=tmpval;
		  
	  }
	  
	  
	  CFile ecgfile;
	  ecgfile.Open("ecg0.dat",CFile::modeCreate|CFile::modeWrite,NULL);
	  ecgfile.Write(buffer0,filelen/3*2);
	  ecgfile.Close();
	  delete buffer0;
	  delete totabuffer;


	}
}