case WM_COMMAND:    wmId    = LOWORD (wParam);    wmEvent = HIWORD (wParam);    switch (wmId) {    case IDM_ABOUT:      break;    case IDM_EXIT:      DestroyWindow (hWnd);      break;    default:      return DefWindowProc (hWnd, message, wParam, lParam);    }    break;  case WM_PAINT:    ValidateRect (hWnd , NULL);    break;  case WM_DESTROY:    PostQuitMessage (0);    break;  default:    return DefWindowProc (hWnd, message, wParam, lParam);  }  return 0;} #endif CUtils::CUtils() {  hHandle = NULL;  iOSType = CheckOS(); #ifdef ENABLE_DISPLAY_MODULE  if (iOSType == OS_XP)    hHandle = (void*) new CD3D9Utils;   else if (iOSType == OS_VISTA_UPPER)    hHandle = (void*) new CD3D9ExUtils;#endif   if (hHandle == NULL)    iOSType = OS_UNSUPPORTED;} CUtils::~CUtils() {#ifdef ENABLE_DISPLAY_MODULE  if (hHandle) {    if (iOSType == OS_XP) {      CD3D9Utils* hTmp = (CD3D9Utils*) hHandle;      delete hTmp;    } else if (iOSType == OS_VISTA_UPPER) {      CD3D9ExUtils* hTmp = (CD3D9ExUtils*) hHandle;      delete hTmp;    }    hHandle = NULL;  }#endif} int CUtils::Process (void* pDst[3], SBufferInfo* pInfo, FILE* pFp) {   int iRet = 0;   if (iOSType == OS_UNSUPPORTED) {    if (pFp && pDst[0] && pDst[1] && pDst[2] && pInfo) {      int iStride[2];      int iWidth = pInfo->UsrData.sSystemBuffer.iWidth;      int iHeight = pInfo->UsrData.sSystemBuffer.iHeight;      iStride[0] = pInfo->UsrData.sSystemBuffer.iStride[0];      iStride[1] = pInfo->UsrData.sSystemBuffer.iStride[1];       Write2File (pFp, (unsigned char**)pDst, iStride, iWidth, iHeight);    }  } #ifdef ENABLE_DISPLAY_MODULE  else {    MSG msg;    ZeroMemory (&msg, sizeof (msg));    while (msg.message != WM_QUIT) {      if (PeekMessage (&msg, NULL, 0U, 0U, PM_REMOVE)) {        TranslateMessage (&msg);        DispatchMessage (&msg);      } else {        HRESULT hResult = S_OK;        if (iOSType == OS_XP)          hResult = ((CD3D9Utils*)hHandle)->Process (pDst, pInfo, pFp);         else if (iOSType == OS_VISTA_UPPER)          hResult = ((CD3D9ExUtils*)hHandle)->Process (pDst, pInfo, pFp);         iRet = !SUCCEEDED (hResult);        break;      }    }  }#endif   return iRet;} int CUtils::CheckOS() {  int iType = OS_UNSUPPORTED; #ifdef ENABLE_DISPLAY_MODULE  OSVERSIONINFOEX osvi;  ZeroMemory (&osvi, sizeof (OSVERSIONINFOEX));  osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFOEX);   if (!GetVersionEx ((OSVERSIONINFO*) &osvi)) {    osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);    if (! GetVersionEx ((OSVERSIONINFO*) &osvi))      return iType;  }   switch (osvi.dwPlatformId) {  case VER_PLATFORM_WIN32_NT:    if (osvi.dwMajorVersion >= 6)      iType = OS_VISTA_UPPER;    else if (osvi.dwMajorVersion == 5)      iType = OS_XP;    break;   default:    break;  }#endif   return iType;} void Write2File (FILE* pFp, unsigned char* pData[3], int iStride[2], int iWidth, int iHeight) {  int   i;  unsigned char*  pPtr = NULL;   pPtr = pData[0];  for (i = 0; i < iHeight; i++) {    fwrite (pPtr, 1, iWidth, pFp);    pPtr += iStride[0];  }   iHeight = iHeight / 2;  iWidth = iWidth / 2;  pPtr = pData[1];  for (i = 0; i < iHeight; i++) {    fwrite (pPtr, 1, iWidth, pFp);    pPtr += iStride[1];  }   pPtr = pData[2];  for (i = 0; i < iHeight; i++) {    fwrite (pPtr, 1, iWidth, pFp);    pPtr += iStride[1];  }}

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