mycodedlg.cpp

[e-mail]编写。主要功能如下： 1、实现GB码到Big5码的转换； 2、实现Big5码到GB码的转换； 3、自动判断当前编码类型

// myCodeDlg.cpp : implementation file
//

#include "stdafx.h"
#include "myCode.h"
#include "myCodeDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMyCodeDlg dialog

CMyCodeDlg::CMyCodeDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMyCodeDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyCodeDlg)
	m_Edit_Text = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMyCodeDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyCodeDlg)
	DDX_Text(pDX, IDC_EDIT_Text, m_Edit_Text);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyCodeDlg, CDialog)
	//{{AFX_MSG_MAP(CMyCodeDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_Clear, OnBUTTONClear)
	ON_BN_CLICKED(IDC_BUTTON_Exit, OnBUTTONExit)
	ON_BN_CLICKED(IDC_BUTTONGB2Big, OnBUTTONGB2Big)
	ON_BN_CLICKED(IDC_BUTTON_Big2GB, OnBUTTONBig2GB)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyCodeDlg message handlers

BOOL CMyCodeDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CMyCodeDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CMyCodeDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}
//---------------------------------------------------------------------------
//GB2312码共6763汉字，编码如下：第一字节，行码0xA1-0xFE，第二节字，列码0xA1-0xFE
//  BIG5码共13053汉字，第一节字，行码0xA1-0xFE, 第二节字，列码0x40-0x7E,0xA1-0xFE
//  辨别方法: 1.  GB码的两个字节都是从A0H-FEH之间
//            2.  BIG5码的第一个字节是80H-FFH，第二个字节是40H-FFH    

int GBorBig5(char *szBuf)
{
   int nStrLen, nFlag=0;
   nStrLen = strlen(szBuf);

   for(int i=0; i<nStrLen; i++) 
   {
     if( (unsigned char)szBuf[i]>=0x80 )
	 { 
		 if( (unsigned char)szBuf[i+1]<=0x7F) 
		     nFlag++;
		 i++;
	 }
   }
   if(nFlag>0) return(1); 
   else        return(0);
}
//---------------------------------------------------------------------------
// 大五码转GBK码：[い地