www.gusucode.com > VC++ 给图片加水印效果示例-源码程序 > VC++ 给图片加水印效果示例-源码程序/code/WaterMarkDlg.cpp
// WaterMarkDlg.cpp : implementation file // Download by http://www.NewXing.com #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); ::StretchBlt(hDesDC[1], rect[1].left, rect[1].top, rect[1].right, rect[1].bottom, hSrcDC[1], 0, 0, bm[1].bmWidth, bm[1].bmHeight,+SRCCOPY); show[1]=TRUE; if ((bm[0].bmHeight*bm[0].bmWidth)<2*(bm[1].bmHeight*bm[1].bmWidth)) { //不能嵌入水印 MessageBox("水印图象过大请更换较大宿主图象","错误",MB_OK); Mark=FALSE; } else { SetTimer(NULL,50,0); //WaterBitmap2Data()将图象的转换为数据保存在二维数组_watermarkdata POSITION pos = dlg1.GetStartPosition(); watermark = dlg1.GetNextPathName(pos);; WaterBitmap2Data();//GetDlgItem(IDC_STOP_BUTTON)->EnableWindow(FALSE); Mark=TRUE; GetDlgItem(IDC_BUTTON3)->EnableWindow(TRUE); } CString s,s0,s1,s2; s.Format("%2d",bm[1].bmHeight); s1.Format("%2d",bm[1].bmWidth); s0.Format("%d",m_dib1->GetBiBitCount()); s2="水印图象"+s0+"位H×W:"+s+"X"+s1; if(pEdit1!=NULL) pEdit1=NULL; r1.left=rect[0].right+35;r1.top=rect[1].bottom+2;r1.right=200+r1.left;r1.bottom=r1.top+20; pStatic1 = new CStatic; pStatic1->Create(s2,ES_CENTER|WS_VISIBLE|ES_READONLY,r1,this,4); } } void CWaterMarkDlg::Bitmap2Data()//将宿主图象的转换为数据保存在二维数组m_tOriPixelArray { int i,j; if(m_tOriPixelArray !=NULL) if(m_Ih!=0) for(i=0; i<m_Ih; i++) delete [] m_tOriPixelArray[i]; else for(i=0; i<ImageHeight; i++) delete [] m_tOriPixelArray[i]; if(filename.GetLength()==0) { MessageBox("无效的文件"); return ; } m_dib->Open(filename); ImageWidth = m_dib->GetWidth(); ImageHeight = m_dib->GetHeight(); biBitCount = m_dib->GetBiBitCount(); BYTE *colorTable; colorTable =(BYTE *) m_dib->m_pDibBits; int byteBitCount = m_dib->GetBiBitCount()/8; m_tOriPixelArray =new RGBQUAD*[ImageHeight]; for (int l=0;l<ImageHeight;l++) m_tOriPixelArray[l]=new RGBQUAD [ImageWidth]; int count = 0; int num = 0; for(i=ImageHeight-1; i>=0; i--) { for(j=0; j<ImageWidth; j++) { m_tOriPixelArray[i][j].rgbBlue =colorTable[count++]; m_tOriPixelArray[i][j].rgbGreen=colorTable[count++]; m_tOriPixelArray[i][j].rgbRed =colorTable[count++]; m_tOriPixelArray[i][j].rgbReserved = 0; count += byteBitCount-3; num+=1; } count += (4-(ImageWidth*byteBitCount)%4)%4; } show[2]=TRUE; } void CWaterMarkDlg::WaterBitmap2Data()//将水印图象的转换为数据保存在二维数组m_watermarkdata { int i,j; if(m_watermarkdata !=NULL) if(m_Wh!=0) for(i=0; i<m_Wh; i++) delete [] m_watermarkdata[i]; else return ; if(watermark.GetLength()==0) { MessageBox("无效的水印文件"); return ; } m_dib1->Open(watermark);if(m_dib1->GetBiBitCount()>8) MessageBox("目前仅对8位的水印信息有效"); WaterWidth=m_dib1->GetWidth(); WaterHeight=m_dib1->GetHeight(); biBitCount1 = m_dib1->GetBiBitCount(); BYTE *colorTable; colorTable =(BYTE *) m_dib1->m_pDibBits; int byteBitCount = m_dib1->GetBiBitCount()/8; m_watermarkdata =new RGBQUAD*[WaterHeight]; for (int l=0;l<WaterHeight;l++) m_watermarkdata[l]=new RGBQUAD [WaterWidth]; int count = 0; int num = 0; for(i=WaterHeight-1; i>=0; i--) { for(j=0; j<WaterWidth; j++) { m_watermarkdata[i][j].rgbBlue = colorTable[count++]; m_watermarkdata[i][j].rgbGreen = colorTable[count++]; m_watermarkdata[i][j].rgbRed = colorTable[count++]; m_watermarkdata[i][j].rgbReserved = 0; count += byteBitCount-3; num+=1; //TRACE("\n@%d @%d @%d",m_watermarkdata[i][j].rgbRed,m_watermarkdata[i][j].rgbBlue,m_watermarkdata[i][j].rgbRed);// } count += (4-(WaterWidth*byteBitCount)%4)%4; } } //转换公式为Gray(i,j)=0.11*R(i,j)+0.59*G(i,j)+0.3*B(i,j), //其中Gray(i,j)为转换后的黑白图像在(i,j)点处的灰度值, //其中绿色所占的比重最大,所以转换时可以直接使用G值。 void CWaterMarkDlg::OnWaterEmbed() { // TODO: Add your control notification handler code here if ((bm[0].bmHeight*bm[0].bmWidth)<3*(bm[1].bmHeight*bm[1].bmWidth)) { //不能嵌入水印 MessageBox("水印图象过大请更换较大宿主图象","错误",MB_OK); Mark=FALSE; } if(!Mark) return ; if(biBitCount<biBitCount1) { MessageBox("水印受限制"); return ; } RGBQUAD *m_copymater;//定义一个水印信息的数据副本 m_copymater = new RGBQUAD [WaterHeight*WaterWidth]; int i,j; int count=0; BYTE m_r,m_b; if(m_waterEmbed !=NULL)//m_waterEmbed是水印.嵌入后.的位图数据全局变量 if(m_Ih!=0) for(int l =0;l<m_Ih;l++) delete [] m_waterEmbed[l];//? m_waterEmbed = new RGBQUAD*[ImageHeight]; for(i=0;i<ImageHeight;i++) m_waterEmbed[i] = new RGBQUAD [ImageWidth]; for(i=0;i<ImageHeight;i++)//将原来的图象的数据复制到m_waterEmbed里 for(j=0;j<ImageWidth;j++) m_waterEmbed[i][j]=m_tOriPixelArray[i][j]; for(i=0;i<WaterHeight;i++)//将水印信息的数据复制到一维数组m_copymater水印信息的数据副本里 for(j=0;j<WaterWidth;j++) { m_copymater[i*WaterHeight+j]=m_watermarkdata[i][j]; count++; } number=count;//记录嵌入的点数 // int k=0; if (biBitCount==24)//Operate_Byte()嵌入水印信息位操作 { for(i=0;i<ImageHeight&&count>0;i++) for(j=0;j<ImageWidth&&count>0;j++,count--)//下面可以用一条语句的 但为了测试还是多句 { m_r=m_waterEmbed[i][j].rgbRed; m_b=m_waterEmbed[i][j].rgbBlue; BYTE &a=m_r; BYTE &b=m_b; BYTE c=m_copymater[i*ImageHeight+j].rgbGreen; Operate_Byte(a,b,c); m_waterEmbed[i][j].rgbRed=m_r; m_waterEmbed[i][j].rgbBlue=m_b; //TRACE("\n%d",c);k++; } PutInWaterMessage();// } else return; //TRACE("\n次数是%d",k); CDC *dc=GetDC();//将象素打印出来 RECT m_rect; float w,h,p,q; GetDlgItem(IDC_STATIC2)->GetClientRect(&m_rect); if(m_rect.right<ImageWidth&&m_rect.bottom<ImageHeight) { w=(float)m_rect.right/(float)ImageWidth; h=(float)m_rect.bottom/(float)ImageHeight; } else w=h=1; for( p=0,i=0;i<ImageHeight;i++,p++) for( j=0, q=0;j<ImageWidth;j++,q++) dc->SetPixel(2+(int)(q*w),235+(int)(p*h),RGB(m_waterEmbed[i][j].rgbRed, m_waterEmbed[i][j].rgbGreen,m_waterEmbed[i][j].rgbBlue)); ReleaseDC(dc); delete [] m_copymater; m_Ih=ImageHeight;//为保证直接更换水印信息而没有更换宿主图象提供原宽高 void error bug m_Iw=ImageWidth; m_Wh=WaterHeight; m_Ww=WaterWidth; TRACE("\n%d\n",ImageHeight); GetDlgItem(IDC_BUTTON4)->EnableWindow(TRUE); GetDlgItem(IDC_BUTTON5)->EnableWindow(TRUE); } void CWaterMarkDlg::ShowBitmap(CString filename) { } void CWaterMarkDlg::SetBitmap2Pixel() { if(ImageWidth*ImageHeight==0) return ; CDC *dc=GetDC(); for(int i=0;i<ImageHeight;i++) for(int j=0;j<ImageWidth;j++) dc->SetPixel(5+j,i+220,RGB(m_tOriPixelArray[i][j].rgbRed, m_tOriPixelArray[i][j].rgbGreen,m_tOriPixelArray[i][j].rgbBlue)); ReleaseDC(dc); } void CWaterMarkDlg::SetWaterBitmap2Pixel() { if(ImageWidth*ImageHeight==0) return ; CDC *dc1=GetDC(); for(int i=0;i<WaterHeight;i++) for(int j=0;j<WaterWidth;j++) dc1->SetPixel(5+j,i+220,RGB(m_watermarkdata[i][j].rgbRed, m_watermarkdata[i][j].rgbGreen,m_watermarkdata[i][j].rgbBlue)); ReleaseDC(dc1); } void CWaterMarkDlg::OnTimer(UINT nIDEvent) { // TODO: Add your message handler code here and/or call default if (show[0]) { ::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); } if (show[1]) { ::StretchBlt(hDesDC[1], rect[1].left, rect[1].top, rect[1].right, \ rect[1].bottom, hSrcDC[1], 0, 0, bm[1].bmWidth, bm[1].bmHeight,+SRCCOPY); } if(show[2]) { ::StretchBlt(hDesDC[2], rect[2].left, rect[2].top, rect[2].right, \ rect[2].bottom, hSrcDC[2], 0, 0, bm[2].bmWidth, bm[2].bmHeight,+SRCCOPY); } CDialog::OnTimer(nIDEvent); } void CWaterMarkDlg::Operate_Byte(BYTE &operate1, BYTE &operate2, BYTE m_operate) { //将m_operate最低四位取出来放到L里最高四位放到H里, //最后将H赋值给operate1最后四位 L赋值给operate2最后四位 int i; BYTE M=240,t=m_operate;//1111 0000 BYTE H,L,x[8],y[4]; y[3]=8;y[2]=4;y[1]=2;y[0]=1; for(i=0;i<8;i++) { x[i]=m_operate&1; m_operate>>=1; } H=x[7]*y[3]+x[6]*y[2]+x[5]*y[1]+x[4]*y[0];//hight L=x[3]*y[3]+x[2]*y[2]+x[1]*y[1]+x[0]*y[0];//low operate1&=M; operate2&=M; operate1+=H; operate2+=L; } void CWaterMarkDlg::OnPick_Up() { // TODO: Add your control notification handler code here PickUpWaterMessage(m_Wh,m_Ww); } void CWaterMarkDlg::PickUpWaterMessage(long h,long w) { int i,j; RGBQUAD *m_color; m_color = new RGBQUAD[h*w]; int count=number; if(m_Ih!=0) for(i=0;i<m_Ih&&count>0;i++) for(j=0;j<m_Iw&&count>0;j++,count--) m_color[i*m_Ih+j]=m_waterEmbed[i][j]; if(m_pickupwater!=NULL) if(m_pwh!=0) for(i=0;i<m_pwh;i++) delete [] m_pickupwater[i]; m_pickupwater = new RGBQUAD *[h]; for(i=0;i<h;i++) m_pickupwater[i] = new RGBQUAD[w]; count=number; int k=0; for(i=0;i<h&&count>0;i++) for(j=0;j<w&&count>0;j++,count--) { m_pickupwater[i][j].rgbGreen=Operate_ByteOut(m_color[i*h+j].rgbRed,m_color[i*h+j].rgbBlue); m_pickupwater[i][j].rgbRed=m_pickupwater[i][j].rgbGreen; m_pickupwater[i][j].rgbBlue=m_pickupwater[i][j].rgbGreen; //TRACE("\n#%d\n",m_pickupwater[i][j].rgbGreen);k++; } //TRACE("\n提取的次数是%d\n",k); CDC *dc=GetDC();//将象素打印出来 RECT m_rect; GetDlgItem(IDC_STATIC3)->GetClientRect(&m_rect); for( i=0;i<h;i++) for( j=0;j<w;j++) dc->SetPixel(m_rect.right+2+j,235+i,RGB(m_pickupwater[i][j].rgbRed, m_pickupwater[i][j].rgbGreen,m_pickupwater[i][j].rgbBlue)); ReleaseDC(dc); m_pwh=h;//获得最后一次水印的信息位图的宽高信息 m_pww=w; } void CWaterMarkDlg::PutInWaterMessage() { long a,b,c,d; a = ImageHeight; b = ImageWidth; c = WaterHeight; d = WaterWidth; } BYTE CWaterMarkDlg::Operate_ByteOut(BYTE operate1, BYTE operate2) { //相对与Operate_Byte() int i = 0; BYTE x[8],y[8],data; for (i=0;i<4;i++) { x[i]=operate2&1; operate2>>=1;//取出最低的四位 } for (i=4;i<8;i++) { x[i]=operate1&1; operate1>>=1;//取出最高的四位 } y[0]=1;y[1]=2;y[2]=4;y[3]=8;y[4]=16;y[5]=32;y[6]=64;y[7]=128; data=x[0]*y[0]+x[1]*y[1]+x[2]*y[2]+x[3]*y[3]+x[4]*y[4]+x[5]*y[5]+x[6]*y[6]+x[7]*y[7]; return data; } void CWaterMarkDlg::OnSaveWEBitmap() { // TODO: Add your control notification handler code here CFileDialog dlg(FALSE,"未标题bmp","未标题.bmp",OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,"位图文件(*.bmp)|*.bmp"); if(dlg.DoModal()!=IDOK) return ; CString s; CDib *m_dib_save; m_dib_save = new CDib(); m_dib_save = m_dib; s=dlg.GetPathName(); int i,j; int byteBitCount = m_dib_save->GetBiBitCount()/8; long H=m_dib_save->GetHeight(); long W=m_dib_save->GetWidth(); int ct =0; for(i=H-1;i>=0;i--)//0.11*R(i,j)+0.59*G(i,j)+0.3*B(i,j) { for(j=0;j<W;j++) { ((BYTE*) m_dib_save->m_pDibBits)[ct++] = m_waterEmbed[i][j].rgbBlue; ((BYTE*) m_dib_save->m_pDibBits)[ct++] = m_waterEmbed[i][j].rgbGreen; ((BYTE*) m_dib_save->m_pDibBits)[ct++] = m_waterEmbed[i][j].rgbRed; ct +=byteBitCount -3; } ct +=(4-(W*byteBitCount)%4)%4; } m_dib_save->Save(s); } void CWaterMarkDlg::OnOpenW_E_Bitmap() { // 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()); if(dlg.DoModal()!=IDOK) return ; if(hwnd[2]!=NULL) hwnd[2]=NULL; if(hSrcDC[2]!=NULL) hSrcDC[2]=NULL; if(hDesDC[2]!=NULL) hDesDC[2]=NULL; hwnd[2] = GetDlgItem(IDC_STATIC2); hDesDC[2] = hwnd[2]->GetDC()->m_hDC; hSrcDC[2] = CreateCompatibleDC(hDesDC[2]); CString file; file=dlg.GetPathName(); POSITION pos = dlg.GetStartPosition(); file = dlg.GetNextPathName(pos); Embed2Data( file); hBitmap[2]=(HBITMAP)LoadImage(AfxGetInstanceHandle(),file,IMAGE_BITMAP,0,0,LR_LOADFROMFILE|LR_CREATEDIBSECTION); GetObject(hBitmap[2], sizeof BITMAP, &bm[2]); SelectObject(hSrcDC[2], hBitmap[2]); hwnd[2]->GetClientRect(&rect[2]); ::SetStretchBltMode(hDesDC[2],COLORONCOLOR); ::StretchBlt(hDesDC[2], rect[2].left, rect[2].top, rect[2].right, rect[2].bottom, hSrcDC[2], 0, 0, bm[2].bmWidth, bm[2].bmHeight,+SRCCOPY); show[2]=TRUE; SetTimer(NULL,50,0); } void CWaterMarkDlg::Embed2Data(CString m_filename)//需要加入代码避免错误 { int i,j,H,W; m_dib->Open(m_filename); H = m_dib->GetHeight(); W = m_dib->GetWidth(); if(m_waterEmbed !=NULL)//m_waterEmbed是水印.嵌入后.的位图数据全局变量 if(m_Ih!=0) for(int l =0;l<m_Ih;l++) delete [] m_waterEmbed[l];//? else { MessageBox("Please add right code!"); return; } m_waterEmbed = new RGBQUAD*[H]; for(i=0;i<H;i++) m_waterEmbed[i] = new RGBQUAD [W]; BYTE *color ; color =(BYTE*) m_dib->m_pDibBits; int byteBitCount = m_dib->GetBiBitCount()/8; int count =0; for(i=H-1;i>=0;i--) { for(j=0;j<W;j++) { m_waterEmbed[i][j].rgbBlue = color[count++]; m_waterEmbed[i][j].rgbGreen = color[count++]; m_waterEmbed[i][j].rgbRed = color[count++]; m_waterEmbed[i][j].rgbReserved=0; count +=byteBitCount -3; } count +=(4-(W*byteBitCount)%4)%4; } }