loadImage static method

Future<Image> loadImage(
  1. String src
)

读取图片

Implementation

static Future<ui.Image> loadImage(String src) async {
  if (!_files.containsKey(src)) {
    final data = await rootBundle.load(src);
    final bytes = Uint8List.view(data.buffer);
    final completer = Completer<ui.Image>();
    ui.decodeImageFromList(bytes, completer.complete);
    _files[src] = completer.future;
  }
  return _files[src] as Future<ui.Image>;
}