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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' as math; | 5 import 'dart:math' as math; |
6 import 'dart:sky' as sky; | 6 import 'dart:sky' as sky; |
7 | 7 |
8 import 'package:vector_math/vector_math.dart'; | 8 import 'package:vector_math/vector_math.dart'; |
9 | 9 |
10 import '../base/debug.dart'; | 10 import '../base/debug.dart'; |
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56 int value = 373; | 56 int value = 373; |
57 value = 37 * value + top.hashCode; | 57 value = 37 * value + top.hashCode; |
58 value = 37 * value + left.hashCode; | 58 value = 37 * value + left.hashCode; |
59 value = 37 * value + bottom.hashCode; | 59 value = 37 * value + bottom.hashCode; |
60 value = 37 * value + right.hashCode; | 60 value = 37 * value + right.hashCode; |
61 return value; | 61 return value; |
62 } | 62 } |
63 String toString() => "EdgeDims($top, $right, $bottom, $left)"; | 63 String toString() => "EdgeDims($top, $right, $bottom, $left)"; |
64 } | 64 } |
65 | 65 |
66 class BoxConstraints { | 66 class BoxConstraints extends Constraints { |
67 const BoxConstraints({ | 67 const BoxConstraints({ |
68 this.minWidth: 0.0, | 68 this.minWidth: 0.0, |
69 this.maxWidth: double.INFINITY, | 69 this.maxWidth: double.INFINITY, |
70 this.minHeight: 0.0, | 70 this.minHeight: 0.0, |
71 this.maxHeight: double.INFINITY | 71 this.maxHeight: double.INFINITY |
72 }); | 72 }); |
73 | 73 |
74 BoxConstraints.tight(Size size) | 74 BoxConstraints.tight(Size size) |
75 : minWidth = size.width, | 75 : minWidth = size.width, |
76 maxWidth = size.width, | 76 maxWidth = size.width, |
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178 | 178 |
179 Size constrain(Size size) { | 179 Size constrain(Size size) { |
180 Size result = new Size(constrainWidth(size.width), constrainHeight(size.heig
ht)); | 180 Size result = new Size(constrainWidth(size.width), constrainHeight(size.heig
ht)); |
181 if (size is _DebugSize) | 181 if (size is _DebugSize) |
182 result = new _DebugSize(result, size._owner, size._canBeUsedByParent); | 182 result = new _DebugSize(result, size._owner, size._canBeUsedByParent); |
183 return result; | 183 return result; |
184 } | 184 } |
185 | 185 |
186 bool get isInfinite => maxWidth >= double.INFINITY && maxHeight >= double.INFI
NITY; | 186 bool get isInfinite => maxWidth >= double.INFINITY && maxHeight >= double.INFI
NITY; |
187 | 187 |
188 bool get hasTightWidth => minWidth == maxWidth; | 188 bool get hasTightWidth => minWidth >= maxWidth; |
189 bool get hasTightHeight => minHeight == maxHeight; | 189 bool get hasTightHeight => minHeight >= maxHeight; |
190 bool get isTight => hasTightWidth && hasTightHeight; | 190 bool get isTight => hasTightWidth && hasTightHeight; |
191 | 191 |
192 bool operator ==(other) { | 192 bool operator ==(other) { |
193 if (identical(this, other)) | 193 if (identical(this, other)) |
194 return true; | 194 return true; |
195 return other is BoxConstraints && | 195 return other is BoxConstraints && |
196 minWidth == other.minWidth && | 196 minWidth == other.minWidth && |
197 maxWidth == other.maxWidth && | 197 maxWidth == other.maxWidth && |
198 minHeight == other.minHeight && | 198 minHeight == other.minHeight && |
199 maxHeight == other.maxHeight; | 199 maxHeight == other.maxHeight; |
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1105 | 1105 |
1106 void defaultPaint(RenderObjectDisplayList canvas) { | 1106 void defaultPaint(RenderObjectDisplayList canvas) { |
1107 RenderBox child = firstChild; | 1107 RenderBox child = firstChild; |
1108 while (child != null) { | 1108 while (child != null) { |
1109 assert(child.parentData is ParentDataType); | 1109 assert(child.parentData is ParentDataType); |
1110 canvas.paintChild(child, child.parentData.position); | 1110 canvas.paintChild(child, child.parentData.position); |
1111 child = child.parentData.nextSibling; | 1111 child = child.parentData.nextSibling; |
1112 } | 1112 } |
1113 } | 1113 } |
1114 } | 1114 } |
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