2015-10-09 20:55:54 -07:00

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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
part of skysprites;
class ImageMap {
ImageMap(AssetBundle bundle) : _bundle = bundle;
final AssetBundle _bundle;
final Map<String, ui.Image> _images = new Map<String, ui.Image>();
Future<List<ui.Image>> load(List<String> urls) {
return Future.wait(urls.map(_loadImage));
}
Future<ui.Image> _loadImage(String url) async {
ui.Image image = await _bundle.loadImage(url).first;
_images[url] = image;
return image;
}
ui.Image getImage(String url) => _images[url];
ui.Image operator [](String url) => _images[url];
}