GeometryCallbackFunction typedef

GeometryCallbackFunction = Void Function(Pointer<Void> user_data, Uint32 command, Int32 x, Int32 y)

Implementation

typedef GeometryCallbackFunction =
    ffi.Void Function(
      ffi.Pointer<ffi.Void> user_data,
      ffi.Uint32 command,
      ffi.Int32 x,
      ffi.Int32 y,
    );