www.pudn.com > VQ_Final.rar > Step2.cpp

// Step2.cpp : implementation file 
// 
 
#include "afxwin.h" 
#include "afxctl.h" 
#include "resource.h" 
#include "Step2.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
 
UINT VQ(LPVOID ptr); 
///////////////////////////////////////////////////////////////////////////// 
// CStep2 property page 
 
IMPLEMENT_DYNCREATE(CStep2, CPropertyPage) 
 
CStep2::CStep2() : CPropertyPage(CStep2::IDD) 
{ 
	//{{AFX_DATA_INIT(CStep2) 
	//}}AFX_DATA_INIT 
} 
 
CStep2::~CStep2() 
{ 
} 
 
void CStep2::DoDataExchange(CDataExchange* pDX) 
{ 
	CPropertyPage::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CStep2) 
	DDX_Control(pDX, IDC_VQINFO, m_sInfo); 
	DDX_Control(pDX, IDC_VQPRG, m_prgVQ); 
	//}}AFX_DATA_MAP 
} 
 
 
BEGIN_MESSAGE_MAP(CStep2, CPropertyPage) 
	//{{AFX_MSG_MAP(CStep2) 
	ON_BN_CLICKED(IDC_START, OnStart) 
	ON_BN_CLICKED(IDC_SHOWRESULT, OnShowresult) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CStep2 message handlers 
 
BOOL CStep2::OnSetActive()  
{ 
	m_pSheet->SetWizardButtons(0);	//先不让用户点“下一步” 
	return CPropertyPage::OnSetActive(); 
} 
 
void CStep2::OnStart()  
{ 
	char szFilters[]="VQ结果文件 (*.txt)|*.txt|"; 
	CString t; 
	t=m_pSheet->m_sTitle+"的VQ结果.txt"; 
	CFileDialog dlg(FALSE,"txt",t,OFN_HIDEREADONLY,szFilters,this); 
 
	m_prgVQ.SetRange(0,100); 
	m_prgVQ.SetPos(0); 
 
	if( dlg.DoModal()==IDOK) 
	{ 
		m_pSheet->m_sVQ = dlg.GetPathName(); 
		GetDlgItem(IDC_START)->EnableWindow(FALSE); 
		//启动写VQ结果的线程 
		m_pThread=AfxBeginThread(VQ,(LPVOID)this,THREAD_PRIORITY_NORMAL,0,0,NULL);	 
    } 
} 
UINT VQ(LPVOID ptr)	//写VQ结果的线程 
{ 
	CStep2 *pDlg=(CStep2 *)ptr; 
	CFile fVQ; 
	UINT i; 
	CString t; 
	//因为在上一步中矢量量化已经完成，结果在m_pVQ中，所以以下写入VQ结果。 
	pDlg->m_sInfo.SetWindowText("正在写入VQ结果......"); 
 
	CFileException e; 
	if (!fVQ.Open(pDlg->m_pSheet->m_sVQ,CFile::modeCreate|CFile::modeWrite,&e)) 
	{ 
		e.ReportError(); 
		return 1; 
	} 
	//先写入向量个数 
	t.Format("向量个数：%d 以下为向量的索引：\15\12",pDlg->m_pSheet->m_nNum); 
	fVQ.Write(t,t.GetLength()); 
	for (i=0;im_pSheet->m_nNum;i++) 
	{ 
		t.Format("[%5d]",pDlg->m_pSheet->m_pVQ[i]); 
		fVQ.Write(t,t.GetLength()); 
		if ((i+1)%16==0)	//每行16个 "\15\12"是换行 
		{ 
			t.Format("\15\12"); 
			fVQ.Write(t,t.GetLength()); 
		} 
		pDlg->m_prgVQ.SetPos(i*100/pDlg->m_pSheet->m_nNum); 
		if (pDlg->m_bStopThread) 
			return 1; 
	} 
	fVQ.Close(); 
 
	pDlg->m_sInfo.SetWindowText("VQ结果已经写入。"); 
	pDlg->m_prgVQ.SetPos(100); 
 
	(CButton *)(pDlg->GetDlgItem(IDC_START))->EnableWindow(FALSE); 
	(CButton *)(pDlg->GetDlgItem(IDC_SHOWRESULT))->ShowWindow(SW_SHOW); 
	pDlg->m_pSheet->SetWizardButtons(PSWIZB_NEXT);	 
	return 0; 
} 
 
BOOL CStep2::OnQueryCancel()  
{ 
	if (m_pThread) 
	{ 
		m_bStopThread=TRUE; 
		m_sInfo.SetWindowText("正在结束线程......"); 
		 
	 
		WaitForSingleObject(m_pThread->m_hThread,1); 
	}	 
	return CPropertyPage::OnQueryCancel(); 
} 
 
void CStep2::OnShowresult()  
{ 
	CString t="notepad "; 
	t+=m_pSheet->m_sVQ; 
	WinExec(t,SW_SHOW);	 
}