Type Alias core_graphics::data_provider::CGDataProviderGetBytesAtOffsetCallback

pub type CGDataProviderGetBytesAtOffsetCallback = Option<unsafe extern "C" fn(_: *mut c_void, _: *mut c_void, _: size_t, _: size_t)>;

Aliased Type

enum CGDataProviderGetBytesAtOffsetCallback {
    None,
    Some(unsafe extern "C" fn(_: *mut c_void, _: *mut c_void, _: usize, _: usize)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut c_void, _: *mut c_void, _: usize, _: usize))

Some value of type T.