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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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43 | 43 |
44 class TextAutosizer { | 44 class TextAutosizer { |
45 WTF_MAKE_NONCOPYABLE(TextAutosizer); | 45 WTF_MAKE_NONCOPYABLE(TextAutosizer); |
46 | 46 |
47 public: | 47 public: |
48 static PassOwnPtr<TextAutosizer> create(Document* document) { return adoptPt
r(new TextAutosizer(document)); } | 48 static PassOwnPtr<TextAutosizer> create(Document* document) { return adoptPt
r(new TextAutosizer(document)); } |
49 | 49 |
50 virtual ~TextAutosizer(); | 50 virtual ~TextAutosizer(); |
51 | 51 |
52 bool processSubtree(RenderObject* layoutRoot); | 52 bool processSubtree(RenderObject* layoutRoot); |
| 53 void recalculateMultipliers(); |
53 | 54 |
54 static float computeAutosizedFontSize(float specifiedSize, float multiplier)
; | 55 static float computeAutosizedFontSize(float specifiedSize, float multiplier)
; |
55 | 56 |
56 private: | 57 private: |
57 enum TraversalDirection { | 58 enum TraversalDirection { |
58 FirstToLast, | 59 FirstToLast, |
59 LastToFirst | 60 LastToFirst |
60 }; | 61 }; |
61 | 62 |
62 explicit TextAutosizer(Document*); | 63 explicit TextAutosizer(Document*); |
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97 static void getNarrowDescendantsGroupedByWidth(const TextAutosizingClusterIn
fo& parentClusterInfo, Vector<Vector<TextAutosizingClusterInfo> >&); | 98 static void getNarrowDescendantsGroupedByWidth(const TextAutosizingClusterIn
fo& parentClusterInfo, Vector<Vector<TextAutosizingClusterInfo> >&); |
98 | 99 |
99 Document* m_document; | 100 Document* m_document; |
100 }; | 101 }; |
101 | 102 |
102 } // namespace WebCore | 103 } // namespace WebCore |
103 | 104 |
104 #endif // ENABLE(TEXT_AUTOSIZING) | 105 #endif // ENABLE(TEXT_AUTOSIZING) |
105 | 106 |
106 #endif // TextAutosizer_h | 107 #endif // TextAutosizer_h |
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