Function ImDrawList_AddImageRounded 

pub unsafe extern "C" fn ImDrawList_AddImageRounded(
    self_: *mut ImDrawList,
    user_texture_id: *mut c_void,
    p_min: ImVec2,
    p_max: ImVec2,
    uv_min: ImVec2,
    uv_max: ImVec2,
    col: u32,
    rounding: f32,
    flags: i32,
)