Continuous-Play.rar_play_连续播放

// 位图显示Dlg.cpp : implementation file // #include "stdafx.h" #include "位图显示.h" #include "位图显示Dlg.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() ///////////////////////////////////////////////////////////////////////////// // CMyDlg dialog CMyDlg::CMyDlg(CWnd* pParent /*=NULL*/) : CDialog(CMyDlg::IDD, pParent) { //{{AFX_DATA_INIT(CMyDlg) m_Num = _T(""); //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CMyDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CMyDlg) DDX_Control(pDX, IDC_SCROLLBAR, m_ScrollBar); DDX_Text(pDX, IDC_PICNUM, m_Num); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CMyDlg, CDialog) //{{AFX_MSG_MAP(CMyDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_OPEN, OnOpen) ON_WM_TIMER() ON_WM_HSCROLL() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CMyDlg message handlers BOOL CMyDlg::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 CMyDlg::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 CMyDlg::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 CMyDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CMyDlg::OnOpen() { CFileDialog dlg(TRUE,"bmp",".bmp",OFN_HIDEREADONLY| OFN_OVERWRITEPROMPT,"位图文件(*.BMP)|*.BMP||"); if(dlg.DoModal()==IDOK) { caculate(); hwnd = GetDlgItem(IDC_PIC); hDesDC = hwnd->GetDC()->m_hDC; hSrcDC = CreateCompatibleDC(hDesDC); hBitmap=(HBITMAP)LoadImage(AfxGetInstanceHandle(),dlg.GetPathName(),IMAGE_BITMAP,0,0,LR_LOADFROMFILE|LR_CREATEDIBSECTION); GetObject(hBitmap, sizeof BITMAP, &bm); SelectObject(hSrcDC, hBitmap); hwnd->GetClientRect(&rect); ::SetStretchBltMode(hDesDC,COLORONCOLOR); ::StretchBlt(hDesDC, rect.left, rect.top, rect.right, rect.bottom, hSrcDC, 0, 0, bm.bmWidth, bm.bmHeight,+SRCCOPY); SetTimer(IDT_TIMER,50,NULL); //确定当前位图的位置 iPos=0; while(family[iPos]!=dlg.GetPathName()) { iPos++; } m_ScrollBar.SetScrollRange(0,picnum-1); m_ScrollBar.SetScrollPos(iPos); m_Num.Format("第 %d 张,共 %d 张",iPos+1,picnum); UpdateData(false); } else { //刷新 SetTimer(IDT_TIMER,30,NULL); } } void CMyDlg::OnTimer(UINT nIDEvent) { ::StretchBlt(hDesDC, rect.left, rect.top, rect.right, rect.bottom, hSrcDC, 0, 0, bm.bmWidth, bm.bmHeight,+SRCCOPY); CDialog::OnTimer(nIDEvent); } //遍历文件夹 void CMyDlg::caculate() { picnum=0; CFileFind finder; Work = finder.FindFile("*.BMP"); while(Work) { char FileName[100]; Work=finder.FindNextFile(); sprintf(FileName,"%s",finder.GetFilePath()); family[picnum]=FileName; picnum+=1; } iPos=-1; } void CMyDlg::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) { switch(nSBCode) { case SB_LINERIGHT: { if(iPos<picnum-1) { hBitmap=(HBITMAP)LoadImage(AfxGetInstanceHandle(),family[iPos],IMAGE_BITMAP,0,0,LR_LOADFROMFILE|LR_CREATEDIBSECTION); GetObject(hBitmap, sizeof BITMAP, &bm); SelectObject(hSrcDC, hBitmap); ::SetStretchBltMode(hDesDC,COLORONCOLOR); ::StretchBlt(hDesDC, rect.left, rect.top, rect.right, rect.bottom, hSrcDC, 0, 0, bm.bmWidth, bm.bmHeight,+SRCCOPY); iPos+=1; m_ScrollBar.SetScrollPos(iPos); m_Num.Format("第 %d 张,共 %d 张",iPos+1,picnum); UpdateData(FALSE); } } break; case SB_LINELEFT: { if(iPos>0) { hBitmap=(HBITMAP)LoadImage(AfxGetInstanceHandle(),family[iPos],IMAGE_BITMAP,0,0,LR_LOADFROMFILE|LR_CREATEDIBSECTION); GetObject(hBitmap, sizeof BITMAP, &bm); SelectObject(hSrcDC, hBitmap); ::SetStretchBltMode(hDesDC,COLORONCOLOR); ::StretchBlt(hDesDC, rect.left, rect.top, rect.right, rect.bottom, hSrcDC, 0, 0, bm.bmWidth, bm.bmHeight,+SRCCOPY); iPos-=1; m_ScrollBar.SetScrollPos(iPos); m_Num.Format("第 %d 张,共 %d 张",iPos+1,picnum); UpdateData(FALSE); } } break; case SB_THUMBTRACK: { iPos=nPos; m_ScrollBar.SetScrollPos(iPos); hBitmap=(HBITMAP)LoadImage(AfxGetInstanceHandle(),family[iPos],IMAGE_BITMAP,0,0,LR_LOADFROMFILE|LR_CREATEDIBSECTION); GetObject(hBitmap, sizeof BITMAP, &bm); SelectObject(hSrcDC, hBitmap); ::SetStretchBltMode(hDesDC,COLORONCOLOR); /*m_Num.Format("%d",m_Num);*/ ::StretchBlt(hDesDC, rect.left, rect.top, rect.right, rect.bottom, hSrcDC, 0, 0, bm.bmWidth, bm.bmHeight,+SRCCOPY); m_Num.Format("第 %d 张,共 %d 张",iPos+1,picnum); UpdateData(FALSE); } break; } CDialog::OnHScroll(nSBCode, nPos, pScrollBar); }