extendr_ffi::graphics

Function GEStrMetric

Source 
pub unsafe extern "C" fn GEStrMetric(
    str_: *const c_char,
    enc: cetype_t,
    gc: pGEcontext,
    ascent: *mut f64,
    descent: *mut f64,
    width: *mut f64,
    dd: pGEDevDesc,
)