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Side by Side Diff: sky/examples/raw/touch_demo.dart

Issue 1165013003: Rename RenderNode to RenderObject. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 5 years, 6 months ago
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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 import 'package:sky/framework/app.dart'; 7 import 'package:sky/framework/app.dart';
8 import 'package:sky/framework/rendering/box.dart'; 8 import 'package:sky/framework/rendering/box.dart';
9 import 'package:sky/framework/rendering/node.dart'; 9 import 'package:sky/framework/rendering/object.dart';
10 10
11 // Material design colors. :p 11 // Material design colors. :p
12 List<int> colors = [ 12 List<int> colors = [
13 0xFF009688, 13 0xFF009688,
14 0xFFFFC107, 14 0xFFFFC107,
15 0xFF9C27B0, 15 0xFF9C27B0,
16 0xFF03A9F4, 16 0xFF03A9F4,
17 0xFF673AB7, 17 0xFF673AB7,
18 0xFFCDDC39, 18 0xFFCDDC39,
19 ]; 19 ];
20 20
21 class Dot { 21 class Dot {
22 final Paint _paint; 22 final Paint _paint;
23 double x = 0.0; 23 double x = 0.0;
24 double y = 0.0; 24 double y = 0.0;
25 double radius = 0.0; 25 double radius = 0.0;
26 26
27 Dot({int color}) : _paint = new Paint()..color = color; 27 Dot({int color}) : _paint = new Paint()..color = color;
28 28
29 void update(PointerEvent event) { 29 void update(PointerEvent event) {
30 x = event.x; 30 x = event.x;
31 y = event.y; 31 y = event.y;
32 radius = 5 + (95 * event.pressure); 32 radius = 5 + (95 * event.pressure);
33 } 33 }
34 34
35 void paint(RenderNodeDisplayList canvas) { 35 void paint(RenderObjectDisplayList canvas) {
36 canvas.drawCircle(x, y, radius, _paint); 36 canvas.drawCircle(x, y, radius, _paint);
37 } 37 }
38 } 38 }
39 39
40 class RenderTouchDemo extends RenderBox { 40 class RenderTouchDemo extends RenderBox {
41 Map<int, Dot> dots = new Map(); 41 Map<int, Dot> dots = new Map();
42 42
43 RenderTouchDemo(); 43 RenderTouchDemo();
44 44
45 void handleEvent(sky.Event event) { 45 void handleEvent(sky.Event event) {
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58 dots[event.pointer].update(event); 58 dots[event.pointer].update(event);
59 break; 59 break;
60 } 60 }
61 markNeedsPaint(); 61 markNeedsPaint();
62 } 62 }
63 63
64 void performLayout() { 64 void performLayout() {
65 size = constraints.constrain(new Size.infinite()); 65 size = constraints.constrain(new Size.infinite());
66 } 66 }
67 67
68 void paint(RenderNodeDisplayList canvas) { 68 void paint(RenderObjectDisplayList canvas) {
69 dots.forEach((_, Dot dot) { 69 dots.forEach((_, Dot dot) {
70 dot.paint(canvas); 70 dot.paint(canvas);
71 }); 71 });
72 } 72 }
73 } 73 }
74 74
75 AppView app; 75 AppView app;
76 76
77 void main() { 77 void main() {
78 app = new AppView(new RenderTouchDemo()); 78 app = new AppView(new RenderTouchDemo());
79 } 79 }
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