flutter/examples/rendering/transform.dart

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895 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:sky' as sky;
import 'package:sky/framework/app.dart';
import 'package:sky/framework/rendering/flex.dart';
import 'package:sky/framework/rendering/box.dart';
import 'package:vector_math/vector_math.dart';
AppView app;
void main() {
RenderDecoratedBox green = new RenderDecoratedBox(
decoration: new BoxDecoration(backgroundColor: const sky.Color(0xFF00FF00)));
RenderSizedBox box = new RenderSizedBox(
desiredSize: new 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);
app = new AppView(flex);
}