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| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 import 'dart:sky' as sky; |
| 6 |
| 7 import 'package:sky/painting/text_style.dart'; |
| 8 import 'package:sky/rendering/block.dart'; |
| 9 import 'package:sky/rendering/box.dart'; |
| 10 import 'package:sky/rendering/object.dart'; |
| 11 import 'package:sky/rendering/paragraph.dart'; |
| 12 import 'package:sky/rendering/sky_binding.dart'; |
| 13 |
| 14 RenderBox getBox(double lh) { |
| 15 RenderParagraph paragraph = new RenderParagraph( |
| 16 new InlineStyle( |
| 17 new TextStyle(), |
| 18 [ |
| 19 new InlineText('test'), |
| 20 new InlineStyle( |
| 21 new TextStyle( |
| 22 color: const Color(0xFF0000A0), |
| 23 fontFamily: 'serif', |
| 24 fontSize: 50.0, |
| 25 height: lh |
| 26 ), |
| 27 [new InlineText('مرحبا Hello')] |
| 28 ) |
| 29 ] |
| 30 ) |
| 31 ); |
| 32 return new RenderPadding( |
| 33 padding: new EdgeDims.all(10.0), |
| 34 child: new RenderConstrainedBox( |
| 35 additionalConstraints: new BoxConstraints.tightFor(height: 200.0), |
| 36 child: new RenderDecoratedBox( |
| 37 decoration: new BoxDecoration( |
| 38 backgroundColor: const Color(0xFFFFFFFF) |
| 39 ), |
| 40 child: new RenderPadding( |
| 41 padding: new EdgeDims.all(10.0), |
| 42 child: new RenderCustomPaint( |
| 43 child: paragraph, |
| 44 callback: (canvas, size) { |
| 45 double baseline = paragraph.getDistanceToBaseline(TextBaseline.alp
habetic); |
| 46 double w = paragraph.getMaxIntrinsicWidth(new BoxConstraints.loose
(size)); |
| 47 double h = paragraph.getMaxIntrinsicHeight(new BoxConstraints.loos
e(size)); |
| 48 Path path = new Path(); |
| 49 path.moveTo(0.0, 0.0); |
| 50 path.lineTo(w, 0.0); |
| 51 path.moveTo(0.0, baseline); |
| 52 path.lineTo(w, baseline); |
| 53 path.moveTo(0.0, h); |
| 54 path.lineTo(w, h); |
| 55 Paint paint = new Paint(); |
| 56 paint.color = const Color(0xFFFF9000); |
| 57 paint.setStyle(sky.PaintingStyle.stroke); |
| 58 paint.strokeWidth = 3.0; |
| 59 canvas.drawPath(path, paint); |
| 60 } |
| 61 ) |
| 62 ) |
| 63 ) |
| 64 ) |
| 65 ); |
| 66 } |
| 67 |
| 68 void main() { |
| 69 RenderBox root = new RenderBlock(children: [ |
| 70 new RenderConstrainedBox( |
| 71 additionalConstraints: new BoxConstraints.tightFor(height: 50.0) |
| 72 ), |
| 73 getBox(1.0), |
| 74 getBox(null), |
| 75 ]); |
| 76 var b = new SkyBinding(root: root); |
| 77 // b.onFrame = b.debugDumpRenderTree; |
| 78 } |
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