inline void create_bitmap_pal(CDCHandle& dc
    , CBitmap& bmp
    , LONG width
    , LONG height
    , std::vector<RGBQUAD> const& pal
    , uint8_t const* data)
{
    int32_t const bmi_size(sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256);
    BITMAPINFO* bmi(static_cast<BITMAPINFO*>(alloca(bmi_size)));
    bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
    bmi->bmiHeader.biWidth = static_cast<LONG>(width);
    bmi->bmiHeader.biHeight = static_cast<LONG>(-height);
    bmi->bmiHeader.biPlanes = 1;
    bmi->bmiHeader.biBitCount = 8;
    bmi->bmiHeader.biCompression = BI_RGB;

    for (uint32_t i(0); i < 256; ++i) {
        if (pal.size() > i) {
            bmi->bmiColors[i] = pal[i];
        } else {
            bmi->bmiColors[i].rgbRed
                = bmi->bmiColors[i].rgbGreen
                = bmi->bmiColors[i].rgbBlue
                = bmi->bmiColors[i].rgbReserved = 0;
        }
    }

    bmp.CreateDIBitmap(dc
        , &bmi->bmiHeader
        , CBM_INIT
        , data
        , bmi
        , DIB_RGB_COLORS);
}
// ----------------------------------------------------------------------------
inline void create_bitmap_gray(CDCHandle& dc
    , CBitmap& bmp
    , LONG width
    , LONG height
    , uint8_t const* data)
{
    std::vector<RGBQUAD> pal(256);
    for (int32_t i(0); i < 256; ++i) {
        pal[i].rgbRed = pal[i].rgbGreen = pal[i].rgbBlue = i;
        pal[i].rgbReserved = 0;
    }

    create_bitmap_pal(dc, bmp, width, height, pal, data);
}