SetDIBBits и GetDIBBits

COLORREF* buf;
   BITMAPINFO binfo;

   BITMAPINFOHEADER head;

   head.biSize      =sizeof(BITMAPINFOHEADER);
   head.biWidth     =ox;
   head.biHeight        =oy;
   head.biPlanes        =1;
   head.biBitCount      =32;
   head.biCompression   =BI_RGB;
   head.biSizeImage =0;
   head.biXPelsPerMeter =0;
   head.biYPelsPerMeter =0;
   head.biClrUsed       =0;
   head.biClrImportant  =0;

   RGBQUAD      quad;
   quad.rgbBlue      =255;
   quad.rgbRed       =255;
   quad.rgbGreen     =255;
   quad.rgbReserved  =0;

   binfo.bmiHeader=head;
   binfo.bmiColors[0]=quad;

   buf = new COLORREF[oy*ox];

   int i = GetDIBits(dcview, bimg, 0, oy, buf, &binfo, DIB_RGB_COLORS);

   HDC dcnew = imgMain->Canvas->Handle;
   int w=GetDeviceCaps(dcnew, HORZRES);
   int h=GetDeviceCaps(dcnew, VERTRES);
   HDC tdc = CreateCompatibleDC(dcnew);
   HBITMAP btmp = CreateCompatibleBitmap(dcnew, w,h);
   i = SetDIBits(tdc, btmp, 0, oy,buf, &binfo, DIB_RGB_COLORS);

   BitBlt(dcnew, 0 , 0, ox,oy, tdc, 0, 0, SRCCOPY);