flutter/examples/rendering/sector_layout.dart
Hixie 1cf1cf9c64 Port first sector demo to fn3
Also, fix warnings in rendering/sector_layout.dart
Also, fix hit testing in rendering/sector_layout.dart
Also, add WidgetToRenderBoxAdapter
Also, make the rendering library debugging tools more resilient to
dumping stuff before layout is complete.
2015-10-13 14:21:52 -07:00

24 lines
1.0 KiB
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:async';
import 'package:flutter/rendering.dart';
import 'lib/sector_layout.dart';
RenderBox buildSectorExample() {
RenderSectorRing rootCircle = new RenderSectorRing(padding: 20.0);
rootCircle.add(new RenderSolidColor(const Color(0xFF00FFFF), desiredDeltaTheta: kTwoPi * 0.15));
rootCircle.add(new RenderSolidColor(const Color(0xFF0000FF), desiredDeltaTheta: kTwoPi * 0.4));
RenderSectorSlice stack = new RenderSectorSlice(padding: 2.0);
stack.add(new RenderSolidColor(const Color(0xFFFFFF00), desiredDeltaRadius: 20.0));
stack.add(new RenderSolidColor(const Color(0xFFFF9000), desiredDeltaRadius: 20.0));
stack.add(new RenderSolidColor(const Color(0xFF00FF00)));
rootCircle.add(stack);
return new RenderBoxToRenderSectorAdapter(innerRadius: 50.0, child: rootCircle);
}
void main() {
new FlutterBinding(root: buildSectorExample());
}