Function blGradientCreate

pub unsafe extern "C" fn blGradientCreate(
    self_: *mut BLGradientCore,
    type_: u32,
    values: *const c_void,
    extendMode: u32,
    stops: *const BLGradientStop,
    n: usize,
    m: *const BLMatrix2D,
) -> BLResult