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| 1 // Copyright 2017 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 #ifndef NGRelativeUtils_h |
| 6 #define NGRelativeUtils_h |
| 7 |
| 8 #include "core/CoreExport.h" |
| 9 #include "core/layout/ng/geometry/ng_logical_size.h" |
| 10 #include "platform/text/TextDirection.h" |
| 11 |
| 12 namespace blink { |
| 13 |
| 14 class ComputedStyle; |
| 15 struct NGLogicalOffset; |
| 16 |
| 17 // Implements relative positioning spec: |
| 18 // https://www.w3.org/TR/css-position-3/#rel-pos |
| 19 // Return relative position offset as defined by style. |
| 20 CORE_EXPORT NGLogicalOffset |
| 21 ComputeRelativeOffset(const ComputedStyle& child_style, |
| 22 NGWritingMode container_writing_mode, |
| 23 TextDirection container_direction, |
| 24 NGLogicalSize container_size); |
| 25 |
| 26 } // namespace blink |
| 27 |
| 28 #endif // NGRelativeUtils_h |
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