testdlg.cpp

WINDOWS系统下灰度的BMP图片转换成黑白图片.

// testDlg.cpp : implementation file
//

#include "stdafx.h"
#include "test.h"
#include "testDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestDlg dialog

CTestDlg::CTestDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTestDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTestDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTestDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTestDlg, CDialog)
	//{{AFX_MSG_MAP(CTestDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestDlg message handlers

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

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 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
}

void CTestDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 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 CTestDlg::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 CTestDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

TCHAR BMP_HEADER_FILE[MAX_PATH]={0};
int BMP_DATA_OFFSET;
PVOID pFileBuffer;
UINT  nFileBufferSize=8,nByteTotal=0;
ULONG dwRead;
DWORD dwWrittenTemp;
UCHAR tmpByte, Byte=0;



void CTestDlg::OnOK() 
{
	// TODO: Add extra validation here
 //   HANDLE hBmpFile = CreateFile("C:\\shared\\Bmp\\user1\\ssss.bmp",  GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
    HANDLE hBmpFile = CreateFile("C:\\shared\\Bmp\\user1\\graybmp.bmp",  GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);

//	_tcscpy(BMP_HEADER_FILE, _T("Hard Disk\\TempPersistDir\\Epson\\1670\\Data\\BW\\BmpHeader\\BWBmp.hdr"));
	BMP_DATA_OFFSET=0x3E;
	CopyFile(_T("C:\\shared\\Bmp\\user1\\BWBmp.bmp"), _T("C:\\shared\\Bmp\\user1\\Bmp.bmp"), FALSE);

    HANDLE bwBmpFile = CreateFile("C:\\shared\\Bmp\\user1\\Bmp.bmp",  GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);

	SetFilePointer (bwBmpFile, BMP_DATA_OFFSET, NULL, FILE_BEGIN) ;

	unsigned char temp[0x8];
	SetFilePointer(hBmpFile, 0x436, NULL, FILE_BEGIN) ;
	char OutBuffer;
	int qq=(1276/32)*4;

	for(int j=0;j<1872;j++)  //1872 ：图象的高  1276：图象的宽
	{
	SetFilePointer(hBmpFile, (0x436+j*1276), NULL, FILE_BEGIN) ;
		for (int k=0;k<qq;k++)
		{
			ReadFile(hBmpFile, temp, nFileBufferSize, &dwRead, NULL);
				Byte=0;
//			if(j>1868) DebugBreak();
			for(int i=0;i<8;i++)
			{
				tmpByte=temp[i];
				if(tmpByte>0x80)
					tmpByte=1;
				else
					tmpByte=0;
				tmpByte<<=(7-i);
				Byte|=tmpByte;
			}
			OutBuffer=Byte;

	//		DEBUGMSG(1,(TEXT("WriteFile  -----  \r\n")));		
			WriteFile(bwBmpFile, &OutBuffer, 1, &dwWrittenTemp, NULL);
		}
	}
	AfxMessageBox("SDF");
}