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17d3b4957a
This CL moves the bulk of the SkyView code out of the |framework| directory because the |framework| directory was redundant in Dart package import declarations. TBR=ianh@google.com Review URL: https://codereview.chromium.org/1177383006.
52 lines
1.7 KiB
Dart
52 lines
1.7 KiB
Dart
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:sky' as sky;
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import 'dart:math' as math;
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import 'package:sky/app/scheduler.dart';
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import 'package:sky/app/view.dart';
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import 'package:sky/rendering/box.dart';
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import 'package:sky/rendering/flex.dart';
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import 'package:vector_math/vector_math.dart';
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import '../lib/solid_color_box.dart';
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AppView app;
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double timeBase;
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RenderTransform transformBox;
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void main() {
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RenderFlex flexRoot = new RenderFlex(direction: FlexDirection.vertical);
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void addFlexChildSolidColor(RenderFlex parent, sky.Color backgroundColor, { int flex: 0 }) {
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RenderSolidColorBox child = new RenderSolidColorBox(backgroundColor);
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parent.add(child);
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child.parentData.flex = flex;
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}
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addFlexChildSolidColor(flexRoot, const sky.Color(0xFFFF00FF), flex: 1);
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addFlexChildSolidColor(flexRoot, const sky.Color(0xFFFFFF00), flex: 2);
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addFlexChildSolidColor(flexRoot, const sky.Color(0xFF00FFFF), flex: 1);
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transformBox = new RenderTransform(child: flexRoot, transform: new Matrix4.identity());
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RenderPadding root = new RenderPadding(padding: new EdgeDims.all(20.0), child: transformBox);
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app = new AppView(root: root);
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addPersistentFrameCallback(rotate);
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}
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void rotate(double timeStamp) {
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if (timeBase == null)
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timeBase = timeStamp;
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double delta = (timeStamp - timeBase) / 1000; // radians
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transformBox.setIdentity();
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transformBox.translate(transformBox.size.width / 2.0, transformBox.size.height / 2.0);
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transformBox.rotateZ(delta);
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transformBox.translate(-transformBox.size.width / 2.0, -transformBox.size.height / 2.0);
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}
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