Function libnotcurses_sys::ncblit_rgb_loose

pub unsafe extern "C" fn ncblit_rgb_loose(
    data: *const c_void, 
    linesize: c_int, 
    vopts: *const ncvisual_options, 
    alpha: c_int
) -> c_int

Supply an alpha value [0..255] to be applied throughout. linesize must be a multiple of 4 for this RGBx data.