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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 #ifndef NGMarginStrut_h | 5 #ifndef NGMarginStrut_h |
6 #define NGMarginStrut_h | 6 #define NGMarginStrut_h |
7 | 7 |
8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
9 #include "platform/LayoutUnit.h" | 9 #include "platform/LayoutUnit.h" |
10 | 10 |
11 namespace blink { | 11 namespace blink { |
12 | 12 |
13 // Stores the four margins of a box | |
14 struct NGBoxMargins { | |
15 LayoutUnit inline_start; | |
16 LayoutUnit inline_end; | |
17 LayoutUnit block_start; | |
18 LayoutUnit block_end; | |
19 | |
20 LayoutUnit InlineSum() const { return inline_start + inline_end; } | |
21 LayoutUnit BlockSum() const { return block_start + block_end; } | |
22 }; | |
23 | |
24 // This struct is used for the margin collapsing calculation. | 13 // This struct is used for the margin collapsing calculation. |
25 struct NGMarginStrut { | 14 struct NGMarginStrut { |
26 LayoutUnit margin_block_start; | 15 LayoutUnit margin_block_start; |
27 LayoutUnit margin_block_end; | 16 LayoutUnit margin_block_end; |
28 | 17 |
29 LayoutUnit negative_margin_block_start; | 18 LayoutUnit negative_margin_block_start; |
30 LayoutUnit negative_margin_block_end; | 19 LayoutUnit negative_margin_block_end; |
31 }; | 20 }; |
32 | 21 |
33 } // namespace blink | 22 } // namespace blink |
34 | 23 |
35 #endif // NGMarginStrut_h | 24 #endif // NGMarginStrut_h |
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