Function lvgl_sys::lv_txt_get_size

pub unsafe extern "C" fn lv_txt_get_size(
    size_res: *mut lv_point_t,
    text: *const c_char,
    font: *const lv_font_t,
    letter_space: lv_coord_t,
    line_space: lv_coord_t,
    max_width: lv_coord_t,
    flag: lv_text_flag_t
)