OLD | NEW |
1 <sky> | 1 <sky> |
2 <style> | 2 <style> |
3 div { | 3 div { |
4 height: 200px; | 4 height: 200px; |
5 background-color: lightblue; | 5 background-color: lightblue; |
6 } | 6 } |
7 </style> | 7 </style> |
8 <div id="canvas" /> | 8 <div id="canvas" /> |
9 <script> | 9 <script> |
10 import 'dart:math' as math; | 10 import 'dart:math' as math; |
11 import 'dart:sky'; | 11 import 'dart:sky'; |
12 | 12 |
13 void main() { | 13 void main() { |
14 var element = document.getElementById('canvas'); | 14 var element = document.getElementById('canvas'); |
15 element.requestPaint((PaintingContext context) { | 15 element.requestPaint((PaintingContext context) { |
16 Paint paint = new Paint(); | 16 Paint paint = new Paint(); |
17 Point mid = new Point(context.width / 2.0, context.height / 2.0); | 17 Point mid = new Point(context.width / 2.0, context.height / 2.0); |
18 double radius = math.min(mid.x, mid.y); | 18 double radius = math.min(mid.x, mid.y); |
19 | 19 |
20 context.save(); | 20 context.save(); |
21 | 21 |
22 context.clipRect(new Rect()..setLTRB(0.0, 0.0, context.width, radius)); | 22 context.clipRect(new Rect.fromLTRB(0.0, 0.0, context.width, radius)); |
23 | 23 |
24 context.translate(mid.x, mid.y); | 24 context.translate(mid.x, mid.y); |
25 paint.setARGB(128, 255, 0, 255); | 25 paint.setARGB(128, 255, 0, 255); |
26 context.rotateDegrees(45.0); | 26 context.rotateDegrees(45.0); |
27 | 27 |
28 context.drawRect(new Rect()..setLTRB(-radius, -radius, radius, radius), | 28 context.drawRect(new Rect.fromLTRB(-radius, -radius, radius, radius), |
29 paint); | 29 paint); |
30 | 30 |
31 // Scale x and y by 0.5. | 31 // Scale x and y by 0.5. |
32 var scaleMatrix = [ | 32 var scaleMatrix = [ |
33 0.5, 0.0, 0.0, | 33 0.5, 0.0, 0.0, |
34 0.0, 0.5, 0.0, | 34 0.0, 0.5, 0.0, |
35 0.0, 0.0, 1.0 | 35 0.0, 0.0, 1.0 |
36 ]; | 36 ]; |
37 context.concat(scaleMatrix); | 37 context.concat(scaleMatrix); |
38 paint.setARGB(128, 0, 255, 0); | 38 paint.setARGB(128, 0, 255, 0); |
39 context.drawCircle(0.0, 0.0, radius, paint); | 39 context.drawCircle(0.0, 0.0, radius, paint); |
40 | 40 |
41 context.restore(); | 41 context.restore(); |
42 | 42 |
| 43 context.translate(0.0, 50.0); |
43 var builder = new LayerDrawLooperBuilder() | 44 var builder = new LayerDrawLooperBuilder() |
44 ..addLayerOnTop( | 45 ..addLayerOnTop( |
45 new DrawLooperLayerInfo()..setOffset(150.0, 0.0)..setPaintBits(-1), | 46 new DrawLooperLayerInfo() |
| 47 ..setOffset(150.0, 0.0)..setPaintBits(-1)..setColorMode(1), |
46 (Paint layerPaint) { | 48 (Paint layerPaint) { |
47 // TODO(mpcomplete): This won't do anything until we add support for | 49 layerPaint.setARGB(128, 255, 255, 0); |
48 // setting the color filter. | 50 layerPaint.setColorFilter(new ColorFilter(0x770000ff, 5)); |
49 layerPaint.setARGB(128, 0, 0, 255); | |
50 }) | 51 }) |
51 ..addLayerOnTop( | 52 ..addLayerOnTop( |
52 new DrawLooperLayerInfo()..setOffset(75.0, 75.0)..setPaintBits(0), | 53 new DrawLooperLayerInfo()..setOffset(75.0, 75.0)..setColorMode(1), |
53 (Paint layerPaint) { | 54 (Paint layerPaint) { |
54 layerPaint.setARGB(128, 255, 0, 0); | 55 layerPaint.setARGB(128, 255, 0, 0); |
| 56 }) |
| 57 ..addLayerOnTop( |
| 58 new DrawLooperLayerInfo()..setOffset(225.0, 75.0), |
| 59 (Paint layerPaint) { |
| 60 // Since this layer uses a DST color mode, this has no effect. |
| 61 layerPaint.setARGB(128, 255, 0, 0); |
55 }); | 62 }); |
56 paint.setDrawLooper(builder.build()); | 63 paint.setDrawLooper(builder.build()); |
57 context.drawCircle(0.0, 0.0, radius, paint); | 64 context.drawCircle(0.0, 0.0, radius, paint); |
58 | 65 |
59 context.commit(); | 66 context.commit(); |
60 }); | 67 }); |
61 } | 68 } |
62 </script> | 69 </script> |
63 </sky> | 70 </sky> |
OLD | NEW |