Function solium_layout_scroll_to 

#[unsafe(no_mangle)]
pub extern "C" fn solium_layout_scroll_to(
    index: u32,
    count: u32,
    x: f64,
    y: f64,
    w: f64,
    h: f64,
    gap: f64,
    column: f64,
    offset: f64,
) -> f64