一个BMP文件分析工具

// BitMapInfoDlg.cpp : implementation file // #include "stdafx.h" #include "resource.h" #include "BitmapDisplay.h" #include "Border.h" #include "Picture.h" #include "Show.h" #include "BitMapInfoDlg.h" #include "pal.h" #include "dib.h" #include "msg.h" // These are required in case someone is compiling with an obsolete // platform SDK #ifndef BI_JPEG #define BI_JPEG 4L #endif #ifndef BI_PNG #define BI_PNG 5L #endif #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif static const CString indent(_T(" ")); DECLARE_MESSAGE(UWM_SHOW_FILE) DECLARE_MESSAGE(UWM_UPDATE_BB) #define IDT_UPDATE 1  ///////////////////////////////////////////////////////////////////////////// // 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() ///////////////////////////////////////////////////////////////////////////// // CBitMapInfoDlg dialog  CBitMapInfoDlg::CBitMapInfoDlg(CWnd* pParent /*=NULL*/) : CDialog(CBitMapInfoDlg::IDD, pParent) { //{{AFX_DATA_INIT(CBitMapInfoDlg) // 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); c_Viewer = NULL; }  void CBitMapInfoDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CBitMapInfoDlg) DDX_Control(pDX, IDC_POS, c_PosInfo); DDX_Control(pDX, IDC_LIMIT, c_Limit); DDX_Control(pDX, IDC_DATA, c_Data); //}}AFX_DATA_MAP }  BEGIN_MESSAGE_MAP(CBitMapInfoDlg, CDialog) ON_REGISTERED_MESSAGE(UWM_UPDATE_BB, OnUpdateBB) //{{AFX_MSG_MAP(CBitMapInfoDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_WM_CLOSE() ON_WM_SIZE() ON_WM_GETMINMAXINFO() ON_WM_TIMER() ON_COMMAND(IDM_FILE_OPEN, OnFileOpen) ON_COMMAND(IDM_FILE_PRINT, OnFilePrint) ON_COMMAND(IDM_HELP_ABOUT, OnHelpAbout) ON_COMMAND(IDM_VIEW_BITMAP, OnViewBitmap) ON_COMMAND(IDM_FILE_EXIT, OnFileExit) ON_WM_INITMENUPOPUP() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CBitMapInfoDlg message handlers  /**************************************************************************** * CBitMapInfoDlg::OnInitDialog * Result: void * * Effect: * Initialization ****************************************************************************/ BOOL CBitMapInfoDlg::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 c_Viewer = new CShow; c_Viewer->Create(CShow::IDD, this); c_Viewer->ShowWindow(SW_HIDE); accelerators = ::LoadAccelerators(AfxGetResourceHandle(), MAKEINTRESOURCE(IDR_ACCELERATOR)); SetTimer(IDT_UPDATE, 100, NULL); return TRUE; // return TRUE unless you set the focus to a control }  /**************************************************************************** * CBitMapInfoDlg::OnSysCommand * Inputs: * UINT nID: ID * LPARAM lParam: * Result: void * * Effect: * Handles the dialog about-box ****************************************************************************/ void CBitMapInfoDlg::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 CBitMapInfoDlg::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 CBitMapInfoDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; }  /**************************************************************************** * CBitMapInfoDlg::OnCancel * Result: void * * Effect: * Does nothing; keeps ESC from closing the app ****************************************************************************/ void CBitMapInfoDlg::OnCancel() { }  /**************************************************************************** * CBitMapInfoDlg::OnOK * Result: void * * Effect: * Nothing. Keeps <enter> from closing the dialog ****************************************************************************/ void CBitMapInfoDlg::OnOK() { }  /**************************************************************************** * CBitMapInfoDlg::OnClose * Result: void * * Effect: * Closes the dialog ****************************************************************************/ void CBitMapInfoDlg::OnClose() { CDialog::OnOK(); }  /**************************************************************************** * ErrorString * Inputs: * DWORD err: Error code * Result: CString * String message ****************************************************************************/ CString ErrorString(DWORD err) { CString Error; LPTSTR s; if(::FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, NULL, err, 0, (LPTSTR)&s, 0, NULL) == 0) { /* failed */ // Unknown error code %08x (%d) CString fmt; CString t; fmt.LoadString(IDS_UNKNOWN_ERROR); t.Format(fmt, err, LOWORD(err)); Error = t; } /* failed */ else { /* success */ LPTSTR p = _tcsrchr(s, _T('\r')); if(p != NULL) { /* lose CRLF */ *p = _T('\0'); } /* lose CRLF */ Error = s; ::LocalFree(s); } /* success */ return Error; } // ErrorString  /*************************************************************