avi文件-抓图
/////////////////////////////////////////////////////////////////////////////
// CAvitobmpDlg message handlers
BOOL CAvitobmpDlg::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 CAvitobmpDlg::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 CAvitobmpDlg::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 CAvitobmpDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CAvitobmpDlg::OnButtonok()
{
if(m_avifile==""||m_target=="") //note fill in data first.
{
MessageBox("PLS SELECT FILE OR FILL IN DATA FIRST!","NOTE",MB_ICONSTOP);
return;
}
AfxGetApp()->DoWaitCursor(1);
GetDlgItem(IDC_BUTTONOK)->EnableWindow(false);
PAVIFILE pfile;//Pointer to a buffer that receives the new IAVIFile interface pointer.
AVIFILEINFO pfi;
PAVISTREAM pavi;
PGETFRAME pgf;
long length, start;
//initializes the AVIFile library,as AVIFileExit()。
//Call AVIFileInit() before using any other AVIFile functions
AVIFileInit();
AVIFileOpen(&pfile,m_avifile,OF_READ |OF_SHARE_DENY_NONE,NULL);
//obtains information about an AVI file
AVIFileInfo(pfile,&pfi,sizeof(AVIFILEINFO));
AVIFileGetStream(pfile,&pavi,streamtypeVIDEO,0);
length=AVIStreamLength(pavi);
start=AVIStreamStart(pavi);
AVISTREAMINFO si;
AVIStreamInfo(pavi, &si, sizeof(si));
pgf = AVIStreamGetFrameOpen(pavi, NULL);
//GET FIRST BMP
LPBITMAPINFOHEADER bmp1;
bmp1= (LPBITMAPINFOHEADER)AVIStreamGetFrame(pgf, 1);
CClientDC dc(this);
//DEFAUT HEAD
BITMAPINFOHEADER bmih;
memset(&bmih,0,sizeof(BITMAPINFOHEADER));
bmih.biBitCount=bmp1->biBitCount;
bmih.biSize = sizeof(BITMAPINFOHEADER);
bmih.biWidth = pfi.dwWidth;
bmih.biHeight = pfi.dwHeight;
bmih.biPlanes =bmp1->biPlanes; //Modif By Deng Chun Ling
bmih.biCompression =BI_RGB;
bmih.biXPelsPerMeter = 0;
bmih.biYPelsPerMeter = 0;
BITMAPFILEHEADER bmfh;
bmfh.bfSize = sizeof(bmfh);
//bmfh.bfSize=sizeof(bmp1); //modi by deng chun ling
bmfh.bfOffBits = sizeof(bmfh) + sizeof(bmih); //BITMAPINFOHEADER+BITMAPINFOHEADER
bmfh.bfType = (int)'M' * 256 + 'B';
// bmfh.bfType=0x424D;
bmfh.bfReserved1 = 0;
bmfh.bfReserved2 = 0;
BYTE *lpbuffa;
lpbuffa=new BYTE[(((pfi.dwWidth*bmih.biBitCount)+31)/8)*pfi.dwHeight];
BYTE* lpbuff;
m_editqty=pfi.dwLength;
UpdateData(false);
//Limite to 100
// if (pfi.dwLength>100) pfi.dwLength=100;
for(LONG i=1;i<(LONG)pfi.dwLength;i++)
{
lpbuff=lpbuffa;
lpbuff=(BYTE *)AVIStreamGetFrame(pgf,i);//
lpbuff+=40;
//TranslationDIB1(lpbuff,bmih.biWidth,bmih.biHeight,10,50);//平移function
char name1[100];
strcpy(name1,m_target);//目的路徑
TCHAR name3[50];
wsprintf(name3, TEXT("Bitmap%5.5ld.bmp\0"), long(i) );
strcat(name1,name3);
////Write BMP File。
CFile ff(name1, CFile::modeWrite | CFile::modeCreate); //?位?
ff.Write(&bmfh, sizeof(bmfh));//bmfh-->ff
ff.Write(&bmih, 40);
ff.Write(lpbuff, bmp1->biSizeImage);
ff.Close();
Sleep(10);
}
m_editw=i;
UpdateData(false);
//release file
AVIStreamGetFrameClose(pgf);
AVIFileRelease(pfile);
//Use the AVIFileExit() function to release the AVIFile library
//and decrement the reference count.同AVIFileInit()??。
AVIFileExit();
ReleaseDC(&dc);
AfxGetApp()->DoWaitCursor(1);
MessageBox("CONVERT COMPLETED!","NOTE",MB_ICONINFORMATION);
GetDlgItem(IDC_BUTTONOK)->EnableWindow(true);
}
void CAvitobmpDlg::OnButtonabout()
{
CAboutDlg dlg;
dlg.DoModal ();
}
void CAvitobmpDlg::OnButtonsource()
{
CFileDialog FileDlg(TRUE, "*.AVI", NULL,
OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,
_T("AVI FILE(*.avi) |*.avi||"));
// CString m_avifile;
if(FileDlg.DoModal() == IDOK){
m_avifile=FileDlg.GetPathName();
UpdateData(false);
}
}
void CAvitobmpDlg::OnButtontarget()
{
CFileDialog filedlg(FALSE,NULL,"P",NULL,("BMP File(*.bmp)|*.bmp||"));
if (filedlg.DoModal()==IDOK){
//m_target=filedlg.GetFolderPath();
m_target=filedlg.GetPathName();
m_target.MakeUpper();
UpdateData(false);
}
}
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