extendr_api::graphics

Function GEStrMetric

Source 
pub unsafe extern "C" fn GEStrMetric(
    str_: *const i8,
    enc: cetype_t,
    gc: *mut R_GE_gcontext,
    ascent: *mut f64,
    descent: *mut f64,
    width: *mut f64,
    dd: *mut _GEDevDesc,
)