Function pnmixerlib::support_ui::pixbuf_new_from_theme

pub fn pixbuf_new_from_theme(
    icon_name: &str, 
    size: i32, 
    theme: &IconTheme
) -> Result<Pixbuf>

Get a pixbuf by name from the given theme with the requested size. Note that the size is not enforced, but rather a hint.