flutter/examples/rendering/transform.dart
2015-10-09 20:44:52 -07:00

29 lines
799 B
Dart

// 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.
import 'dart:ui' as sky;
import 'package:flutter/rendering.dart';
void main() {
RenderDecoratedBox green = new RenderDecoratedBox(
decoration: new BoxDecoration(backgroundColor: const sky.Color(0xFF00FF00))
);
RenderConstrainedBox box = new RenderConstrainedBox(
additionalConstraints: new BoxConstraints.tight(const sky.Size(200.0, 200.0)),
child: green
);
Matrix4 transform = new Matrix4.identity();
RenderTransform spin = new RenderTransform(
transform: transform,
child: box
);
spin.rotateZ(1.0);
RenderFlex flex = new RenderFlex();
flex.add(spin);
new FlutterBinding(root: flex);
}