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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 import "dart:math"; | 5 import "dart:math"; |
6 import 'dart:sky'; | 6 import 'dart:sky'; |
7 | 7 |
8 import 'package:sky/framework/shell.dart' as shell; | 8 import 'package:sky/framework/shell.dart' as shell; |
9 import 'package:mojom/intents/intents.mojom.dart'; | 9 import 'package:mojom/intents/intents.mojom.dart'; |
10 | 10 |
11 Picture draw(int a, int r, int g, int b) { | 11 Picture draw(int a, int r, int g, int b) { |
12 double width = view.width; | 12 double width = view.width; |
13 double height = view.height; | 13 double height = view.height; |
14 | 14 |
15 PictureRecorder recorder = new PictureRecorder(width, height); | 15 PictureRecorder recorder = new PictureRecorder(); |
| 16 Canvas canvas = new Canvas(recorder, width, height); |
16 double radius = min(width, height) * 0.45; | 17 double radius = min(width, height) * 0.45; |
17 | 18 |
18 Paint paint = new Paint()..color = new Color.fromARGB(a, r, g, b); | 19 Paint paint = new Paint()..color = new Color.fromARGB(a, r, g, b); |
19 recorder.drawRect(new Rect.fromSize(new Size(width, height)), paint); | 20 canvas.drawRect(new Rect.fromSize(new Size(width, height)), paint); |
20 return recorder.endRecording(); | 21 return recorder.endRecording(); |
21 } | 22 } |
22 | 23 |
23 bool handleEvent(Event event) { | 24 bool handleEvent(Event event) { |
24 if (event.type == "pointerdown") { | 25 if (event.type == "pointerdown") { |
25 view.picture = draw(255, 0, 0, 255); | 26 view.picture = draw(255, 0, 0, 255); |
26 view.scheduleFrame(); | 27 view.scheduleFrame(); |
27 return true; | 28 return true; |
28 } | 29 } |
29 | 30 |
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48 return false; | 49 return false; |
49 } | 50 } |
50 | 51 |
51 void main() { | 52 void main() { |
52 print("Hello, world"); | 53 print("Hello, world"); |
53 view.picture = draw(255, 255, 255, 0); | 54 view.picture = draw(255, 255, 255, 0); |
54 view.scheduleFrame(); | 55 view.scheduleFrame(); |
55 | 56 |
56 view.setEventCallback(handleEvent); | 57 view.setEventCallback(handleEvent); |
57 } | 58 } |
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