Function gdk_pixbuf_sys::gdk_pixbuf_calculate_rowstride

pub unsafe extern "C" fn gdk_pixbuf_calculate_rowstride(
    colorspace: GdkColorspace, 
    has_alpha: gboolean, 
    bits_per_sample: c_int, 
    width: c_int, 
    height: c_int
) -> c_int

This is supported on crate feature v2_36_8 only.