(LSB算法)数字水印的嵌入和提取VC++实现

// WaterMarkDlg.cpp : implementation file // #include "stdafx.h" #include "WaterMark.h" #include "WaterMarkDlg.h" #include "Dib.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() ///////////////////////////////////////////////////////////////////////////// // CWaterMarkDlg dialog CWaterMarkDlg::CWaterMarkDlg(CWnd* pParent /*=NULL*/) : CDialog(CWaterMarkDlg::IDD, pParent) { //{{AFX_DATA_INIT(CWaterMarkDlg) // 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); show[0]=show[1]=show[2]=FALSE; hwnd[0]=hwnd[1]=hwnd[3]=NULL; hSrcDC[0]=hSrcDC[1]=hSrcDC[2]=hDesDC[0]=hDesDC[1]=hDesDC[2]=NULL; m_dib = new CDib(); m_dib1 = new CDib(); pEdit=pEdit1=NULL; pStatic=pStatic1=NULL; Mark=FALSE; m_tOriPixelArray=m_watermarkdata=m_waterEmbed=m_pickupwater=NULL; ImageHeight=m_Ih=ImageWidth=m_Iw=WaterHeight=m_Wh=WaterWidth=m_Ww=0; number=0; } void CWaterMarkDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CWaterMarkDlg) DDX_Control(pDX, IDC_STATIC0, m_pic); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CWaterMarkDlg, CDialog) //{{AFX_MSG_MAP(CWaterMarkDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON1, OnOpenFile) ON_WM_TIMER() ON_BN_CLICKED(IDC_BUTTON2, OnOpenWaterMark) ON_BN_CLICKED(IDC_BUTTON3, OnWaterEmbed) ON_BN_CLICKED(IDC_BUTTON5, OnPick_Up) ON_BN_CLICKED(IDC_BUTTON4, OnSaveWEBitmap) ON_BN_CLICKED(IDC_BUTTON6, OnOpenW_E_Bitmap) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CWaterMarkDlg message handlers BOOL CWaterMarkDlg::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 CWaterMarkDlg::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 CWaterMarkDlg::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 CWaterMarkDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CWaterMarkDlg::OnOpenFile() { // TODO: Add your control notification handler code here CFileDialog dlg(TRUE, "", NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT | OFN_ALLOWMULTISELECT, "(*.bmp)|*.bmp|所有文件(*.*)|*.*||",AfxGetMainWnd()); //读取图象的文件名CString filename; if(dlg.DoModal()==IDOK) { //Bitmap2Data()将图象的转换为数据保存在二维数组m_tOriPixelArray POSITION pos = dlg.GetStartPosition(); filename = dlg.GetNextPathName(pos); Bitmap2Data(); ////////////////////////////////// if(hwnd[0]!=NULL) hwnd[0]=NULL; if(hSrcDC[0]!=NULL) hSrcDC[0]=NULL; if(hDesDC[0]!=NULL) hDesDC[0]=NULL; hwnd[0] = GetDlgItem(IDC_STATIC0); hDesDC[0] = hwnd[0]->GetDC()->m_hDC; hSrcDC[0] = CreateCompatibleDC(hDesDC[0]); filename=dlg.GetPathName(); hBitmap[0]=(HBITMAP)LoadImage(AfxGetInstanceHandle(),filename,IMAGE_BITMAP,0,0,LR_LOADFROMFILE|LR_CREATEDIBSECTION); GetObject(hBitmap[0], sizeof BITMAP, &bm[0]); SelectObject(hSrcDC[0], hBitmap[0]); hwnd[0]->GetClientRect(&rect[0]); ::SetStretchBltMode(hDesDC[0],COLORONCOLOR); ::StretchBlt(hDesDC[0], rect[0].left, rect[0].top, rect[0].right, rect[0].bottom, hSrcDC[0], 0, 0, bm[0].bmWidth, bm[0].bmHeight,+SRCCOPY); show[0]=TRUE; SetTimer(NULL,50,0); GetDlgItem(IDC_BUTTON2)->EnableWindow(TRUE); } else {/* GetDlgItem(IDC_STATIC0)->MoveWidow(rect(0,0,bm.bmWidth,bm.bmHeight)); hwnd->MoveWidow(rect(0,0,bm.bmWidth,bm.bmHeight)); m_pic.SetBitmap(hBitmap); this->RedrawWindow();*/ TRACE("错误"); } CString s,s0,s1,s2; s.Format("%2d",bm[0].bmHeight); s1.Format("%2d",bm[0].bmWidth); s0.Format("%d",m_dib->GetBiBitCount()); s2="宿主图象"+s0+"位H×W:"+s+"X"+s1; if(pEdit!=NULL) pEdit=NULL; r.left=35;r.top=rect[0].bottom+2;r.right=200+r.left;r.bottom=r.top+20; pEdit=new CEdit; pEdit->Create(ES_CENTER|WS_VISIBLE|ES_READONLY,r,this,1); CFont * cFont=new CFont; cFont->CreateFont(16,0,0,0,FW_SEMIBOLD,FALSE,FALSE,0, ANSI_CHARSET,OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY, DEFAULT_PITCH&FF_SWISS,"Arial"); pEdit->SetFont(cFont,TRUE); pEdit->SetWindowText(s2); } void CWaterMarkDlg::OnOpenWaterMark() { // TODO: Add your control notification handler code here CFileDialog dlg1(TRUE,"bmp",".bmp",OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,"位图文件(*.bmp)|*.bmp|JPEG 文件(*.jpg)|*.jpg|GIF文件(*.gif)|*.gif||"); if(dlg1.DoModal()==IDOK) { if(hwnd[1]!=NULL) hwnd[1]=NULL; if(hSrcDC[1]!=NULL) hSrcDC[1]=NULL; if(hDesDC[1]!=NULL) hDesDC[1]=NULL; hwnd[1] = GetDlgItem(IDC_STATIC1); hDesDC[1] = hwnd[1]->GetDC()->m_hDC; hSrcDC[1] = CreateCompatibleDC(hDesDC[1]); watermark=dlg1.GetPathName(); hBitmap[1]=(HBITMAP)LoadImage(AfxGetInstanceHandle(),watermark,IMAGE_BITMAP,0,0,LR_LOADFROMFILE|LR_CREATEDIBSECTION); GetObject(hBitmap[1], sizeof BITMAP, &bm[1]); SelectObject(hSrcDC[1], hBitmap[1]); hwnd[1]->GetClientRect(&rect[1]); ::SetStretchBltMode(hDesDC[1],COLORONCOLOR); ::StretchBl