loadFontDataAsync method
async version of loadFontData
Implementation
Future<void> loadFontDataAsync(String filename, int idx) async {
final cname = filename.toNativeUtf8().cast<ffi.Char>();
await cvRunAsync0(
(callback) => ccontrib.cv_freetype_FreeType2_loadFontData(ref, cname, idx, callback),
(c) {
calloc.free(cname);
c.complete();
},
);
}