pub unsafe extern "C" fn lv_image_decoder_set_get_area_cb(
decoder: *mut lv_image_decoder_t,
read_line_cb: Option<unsafe extern "C" fn(_: *mut lv_image_decoder_t, _: *mut lv_image_decoder_dsc_t, _: *const lv_area_t, _: *mut lv_area_t) -> u32>,
)