// 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 ui; import 'package:flutter/rendering.dart'; void main() { RenderDecoratedBox green = new RenderDecoratedBox( decoration: new BoxDecoration(backgroundColor: const ui.Color(0xFF00FF00)) ); RenderConstrainedBox box = new RenderConstrainedBox( additionalConstraints: new BoxConstraints.tight(const ui.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 RenderingFlutterBinding(root: flex); }