hb_unicode_funcs_set_compose_func function

@Native<Void Function(Pointer<hb_unicode_funcs_t>, Pointer<NativeFunction<Int Function(Pointer<hb_unicode_funcs_t> ufuncs, Uint32 a, Uint32 b, Pointer<Uint32> ab, Pointer<Void> user_data)>>, Pointer<Void>, Pointer<NativeFunction<Void Function(Pointer<Void> user_data)>>)>(ffi.Pointer<hb_unicode_funcs_t>, ffi.Pointer<ffi.NativeFunction<ffi.Int Function(ffi.Pointer<hb_unicode_funcs_t> ufuncs, ffi.Uint32 a, ffi.Uint32 b, ffi.Pointer<ffi.Uint32> ab, ffi.Pointer<ffi.Void> user_data)>>, ffi.Pointer<ffi.Void>, ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Void> user_data)>>)>() void hb_unicode_funcs_set_compose_func(Pointer<hb_unicode_funcs_t> ufuncs, Pointer<NativeFunction<Int Function(Pointer<hb_unicode_funcs_t> ufuncs, Uint32 a, Uint32 b, Pointer<Uint32> ab, Pointer<Void> user_data)>> func, Pointer<Void> user_data, Pointer<NativeFunction<Void Function(Pointer<Void> user_data)>> destroy,)

hb_unicode_funcs_set_compose_func: @ufuncs: A Unicode-functions structure @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign @user_data: Data to pass to @func @destroy: (nullable): The function to call when @user_data is not needed anymore

Sets the implementation function for #hb_unicode_compose_func_t.

Since: 0.9.2

Implementation

@ffi.Native<
  ffi.Void Function(
    ffi.Pointer<hb_unicode_funcs_t>,
    ffi.Pointer<
      ffi.NativeFunction<
        ffi.Int Function(
          ffi.Pointer<hb_unicode_funcs_t> ufuncs,
          ffi.Uint32 a,
          ffi.Uint32 b,
          ffi.Pointer<ffi.Uint32> ab,
          ffi.Pointer<ffi.Void> user_data,
        )
      >
    >,
    ffi.Pointer<ffi.Void>,
    ffi.Pointer<
      ffi.NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Void> user_data)>
    >,
  )
>()
external void hb_unicode_funcs_set_compose_func(
  ffi.Pointer<hb_unicode_funcs_t> ufuncs,
  ffi.Pointer<
    ffi.NativeFunction<
      ffi.Int Function(
        ffi.Pointer<hb_unicode_funcs_t> ufuncs,
        ffi.Uint32 a,
        ffi.Uint32 b,
        ffi.Pointer<ffi.Uint32> ab,
        ffi.Pointer<ffi.Void> user_data,
      )
    >
  >
  func,
  ffi.Pointer<ffi.Void> user_data,
  ffi.Pointer<
    ffi.NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Void> user_data)>
  >
  destroy,
);