Displaying cv::Mat with WinAPI/WTL

void image_scan_display::draw_current_image(CDCHandle& dc)
{
    cv::Mat image(processor_.get_canvas());

    CBitmap bmp;
    create_bitmap_rgb(dc, bmp, image.cols, image.rows, image.ptr());

    CDCHandle mem_dc;
    mem_dc.CreateCompatibleDC(dc);
    HBITMAP old_bmp(mem_dc.SelectBitmap(bmp));

    dc.BitBlt(layout_.image.left
        , layout_.image.top
        , image.cols
        , image.rows
        , mem_dc
        , 0
        , 0
        , SRCCOPY);
    mem_dc.SelectBitmap(old_bmp);
    mem_dc.DeleteDC();

    if (draw_selection_) {
        dc.InvertRect(CRect(mouse_down_point_, mouse_up_point_));
        dc.FrameRect(CRect(mouse_down_point_, mouse_up_point_)
            , AtlGetStockBrush(WHITE_BRUSH));
    }
}

// ------------------------------------------------------------------------------------------------

inline void create_bitmap_rgb(CDCHandle& dc
    , CBitmap& bmp
    , LONG width
    , LONG height
    , uint8_t const* data)
{
    BITMAPINFO bi = { 0 };
    bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
    bi.bmiHeader.biWidth = static_cast<LONG>(width);
    bi.bmiHeader.biHeight = static_cast<LONG>(-height);
    bi.bmiHeader.biPlanes = 1;
    bi.bmiHeader.biBitCount = 24;
    bi.bmiHeader.biCompression = BI_RGB;

    bmp.CreateDIBitmap(dc
        , &bi.bmiHeader
        , CBM_INIT
        , data
        , &bi
        , DIB_RGB_COLORS);
}