www.gusucode.com > VC++ 内网屏幕监控系统-源码程序 > VC++ 内网屏幕监控系统-源码程序/code/Screen/ScreenDlg.cpp
// ScreenDlg.cpp : implementation file // Download by http://www.NewXing.com #include "stdafx.h" #include "Screen.h" #include "ScreenDlg.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() ///////////////////////////////////////////////////////////////////////////// // CScreenDlg dialog CScreenDlg::CScreenDlg(CWnd* pParent /*=NULL*/) : CDialog(CScreenDlg::IDD, pParent) { //{{AFX_DATA_INIT(CScreenDlg) // 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 CScreenDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CScreenDlg) DDX_Control(pDX, IDC_DRAWSCREEN, m_drawscreen); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CScreenDlg, CDialog) //{{AFX_MSG_MAP(CScreenDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON1, OnStart) ON_WM_SIZE() ON_WM_TIMER() ON_BN_CLICKED(IDC_BUTTON2, OnStop) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CScreenDlg message handlers BOOL CScreenDlg::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 CScreenDlg::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 CScreenDlg::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 CScreenDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CScreenDlg::OnStart() { clientsocket.Create(); run = false; bool ret = clientsocket.Connect("127.0.0.1",1033); if (!ret) return; this->SetTimer(0,1000,NULL); } void CScreenDlg::OnSize(UINT nType, int cx, int cy) { CDialog::OnSize(nType, cx, cy); if (!IsWindow(m_drawscreen.GetSafeHwnd())) return; CRect rect; m_drawscreen.GetClientRect(&rect); rect.top = 50; rect.left = 10; rect.right = cx -10; rect.bottom = cy - 10; m_drawscreen.MoveWindow(&rect); } void CScreenDlg::OnTimer(UINT nIDEvent) { if (nIDEvent != 0) return; if (run) return; run = true; GetScreen(); run = false; CDialog::OnTimer(nIDEvent); } void CScreenDlg::GetScreen() { char *buffer = "M"; clientsocket.Send(buffer,strlen(buffer)); clientsocket.Receive(&bitmap,sizeof(BITMAP)); size = bitmap.bmWidthBytes * bitmap.bmHeight; bmpdata = new char[size]; char * data = bmpdata; int len,receivelen; len = receivelen = 0; buffer = "D"; clientsocket.Send(buffer,strlen(buffer)); do { receivelen = clientsocket.Receive(data,size); len += receivelen; data += receivelen; }while(len<size); DrawScreen(); delete bmpdata; bmpdata = NULL; size = 0; } void CScreenDlg::DrawScreen() { CDC *dc = m_drawscreen.GetDC(); BITMAPINFOHEADER bih; bih.biBitCount=bitmap.bmBitsPixel; bih.biClrImportant=0; bih.biClrUsed=0; bih.biCompression=0; bih.biHeight=bitmap.bmHeight; bih.biPlanes=1; bih.biSize=sizeof(BITMAPINFOHEADER); bih.biSizeImage=size; bih.biWidth=bitmap.bmWidth; bih.biXPelsPerMeter=0; bih.biYPelsPerMeter=0; CBitmap bm; bm.CreateBitmapIndirect(&bitmap); CDC bmpdc; bmpdc.CreateCompatibleDC(dc); SetDIBits(bmpdc.m_hDC,bm,0,bitmap.bmHeight,bmpdata,(BITMAPINFO*)&bih,DIB_RGB_COLORS); bmpdc.SelectObject(&bm); CRect rect; m_drawscreen.GetClientRect(&rect); dc->StretchBlt(0,0,rect.Width(),rect.Height(),&bmpdc,0,0,bitmap.bmWidth,bitmap.bmHeight,SRCCOPY); } void CScreenDlg::OnStop() { this->KillTimer(0); clientsocket.ShutDown(2); clientsocket.Close(); }