testgrabdlg.cpp

采用zlib标准的压缩源码

// TestGrabDlg.cpp : implementation file
//

#include "stdafx.h"
#include "TestGrab.h"
#include "TestGrabDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CTestGrabDlg dialog

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

	m_pMosesGrab = NULL;
}

void CTestGrabDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTestGrabDlg)
	DDX_Text(pDX, IDC_FILEPATH, m_strFilePath);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTestGrabDlg, CDialog)
	//{{AFX_MSG_MAP(CTestGrabDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BROWSE, OnBrowse)
	ON_BN_CLICKED(ID_UNZIP, OnUnzip)
	ON_BN_CLICKED(IDC_ZIP, OnZip)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestGrabDlg message handlers

BOOL CTestGrabDlg::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
	m_pMosesGrab = (IMosesGrab*)MosesGrabCreateInstance();

	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CTestGrabDlg::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 CTestGrabDlg::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 CTestGrabDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CTestGrabDlg::OnBrowse() 
{
	//Open file Dialog
	CFileDialog dlg(TRUE, NULL, NULL, OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT
		|OFN_ENABLESIZING/*|OFN_ALLOWMULTISELECT*/,	NULL);
	
	if(dlg.DoModal() == IDOK)
	{		 
		CString  strFilePath = "";
		POSITION position;
		position = dlg.GetStartPosition();
		while (position)
			m_strFilePath = dlg.GetNextPathName(position);  
		
		if (!m_strFilePath.IsEmpty())
		{
			UpdateData(FALSE);
		}
	}	
}

void CTestGrabDlg::OnUnzip() 
{	
	CFile file;
	file.Open("F:\\project\\Grab\\test.ms", CFile::modeRead, NULL);
	DWORD dwLen = file.GetLength();

	LPBYTE lpBuffer = new BYTE [dwLen];
	DWORD dwBufLen = file.ReadHuge(lpBuffer, dwLen);

	file.Close();

	DWORD dwDestBufLen = dwBufLen*30;
	LPBYTE lDestpBuffer = new BYTE [dwDestBufLen];
	memset(lDestpBuffer, 0, dwDestBufLen);

	DWORD dwGrabLen = m_pMosesGrab->UnGrab(lDestpBuffer, &dwDestBufLen, lpBuffer, dwBufLen);

	CFile file1;
	file1.Open("F:\\project\\Grab\\unzip.bmp", CFile::modeCreate | CFile::modeWrite, NULL);
	file1.WriteHuge(lDestpBuffer, dwDestBufLen);	
	file1.Close();
}

void CTestGrabDlg::OnZip() 
{
	CFile file;
	file.Open(m_strFilePath, CFile::modeRead, NULL);
	DWORD dwLen = file.GetLength();

	LPBYTE lpBuffer = new BYTE [dwLen];
	DWORD dwBufLen = file.ReadHuge(lpBuffer, dwLen);

	LPBITMAPFILEHEADER	lpdr;
	lpdr = (LPBITMAPFILEHEADER)lpBuffer;

	LPBITMAPINFOHEADER	lpbi;
	lpbi = (LPBITMAPINFOHEADER)(lpBuffer+sizeof(BITMAPFILEHEADER));


	file.Close();

	LPBYTE lDestpBuffer = new BYTE [dwBufLen];
	memset(lDestpBuffer, 0, dwBufLen);


	DWORD dwGrabLen =	m_pMosesGrab->Grab(lDestpBuffer, &dwBufLen, lpBuffer, dwBufLen);

	CFile file1;
	
	file1.Open("F:\\project\\Grab\\test.ms", CFile::modeCreate | CFile::modeWrite, NULL);
	file1.WriteHuge(lDestpBuffer, dwBufLen);	
	file1.Close();
}

BOOL CTestGrabDlg::PreCreateWindow(CREATESTRUCT& cs) 
{
	cs.dwExStyle |= WS_EX_TOOLWINDOW;
	
	return CDialog::PreCreateWindow(cs);
}