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samples/next_gen_ui_demo/lib/common/ui_scaler.dart
Brett Morgan aec29f869b Next Gen UI demo (#1778)
First pass at a Next Generation UI demo app. The UI needs work, feedback
gratefully accepted.

## Pre-launch Checklist

- [x] I read the [Flutter Style Guide] _recently_, and have followed its
advice.
- [x] I signed the [CLA].
- [x] I read the [Contributors Guide].
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-devrel
channel on [Discord].

<!-- Links -->
[Flutter Style Guide]:
https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo
[CLA]: https://cla.developers.google.com/
[Discord]: https://github.com/flutter/flutter/wiki/Chat
[Contributors Guide]:
https://github.com/flutter/samples/blob/main/CONTRIBUTING.md
2023-05-17 12:45:47 +10:00

32 lines
761 B
Dart

// Copyright 2023 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:math';
import 'package:flutter/material.dart';
class UiScaler extends StatelessWidget {
const UiScaler({
super.key,
required this.child,
required this.alignment,
this.referenceHeight = 1080,
});
final int referenceHeight;
final Widget child;
final Alignment alignment;
@override
Widget build(BuildContext context) {
final screenSize = MediaQuery.of(context).size;
final double scale = min(screenSize.height / referenceHeight, 1.0);
return Transform.scale(
scale: scale,
alignment: alignment,
child: child,
);
}
}