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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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39 class RenderText; | 39 class RenderText; |
40 struct TextAutosizingWindowInfo; | 40 struct TextAutosizingWindowInfo; |
41 struct TextAutosizingClusterInfo; | 41 struct TextAutosizingClusterInfo; |
42 | 42 |
43 class TextAutosizer { | 43 class TextAutosizer { |
44 WTF_MAKE_NONCOPYABLE(TextAutosizer); | 44 WTF_MAKE_NONCOPYABLE(TextAutosizer); |
45 | 45 |
46 public: | 46 public: |
47 static PassOwnPtr<TextAutosizer> create(Document* document) { return adoptPt
r(new TextAutosizer(document)); } | 47 static PassOwnPtr<TextAutosizer> create(Document* document) { return adoptPt
r(new TextAutosizer(document)); } |
48 | 48 |
49 virtual ~TextAutosizer(); | |
50 | |
51 bool processSubtree(RenderObject* layoutRoot); | 49 bool processSubtree(RenderObject* layoutRoot); |
52 void recalculateMultipliers(); | 50 void recalculateMultipliers(); |
53 | 51 |
54 static float computeAutosizedFontSize(float specifiedSize, float multiplier)
; | 52 static float computeAutosizedFontSize(float specifiedSize, float multiplier)
; |
55 | 53 |
56 private: | 54 private: |
57 enum TraversalDirection { | 55 enum TraversalDirection { |
58 FirstToLast, | 56 FirstToLast, |
59 LastToFirst | 57 LastToFirst |
60 }; | 58 }; |
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109 // |blockContainingAllText|. | 107 // |blockContainingAllText|. |
110 static void getNarrowDescendantsGroupedByWidth(const TextAutosizingClusterIn
fo& parentClusterInfo, Vector<Vector<TextAutosizingClusterInfo> >&); | 108 static void getNarrowDescendantsGroupedByWidth(const TextAutosizingClusterIn
fo& parentClusterInfo, Vector<Vector<TextAutosizingClusterInfo> >&); |
111 | 109 |
112 Document* m_document; | 110 Document* m_document; |
113 ContentType m_contentType; | 111 ContentType m_contentType; |
114 }; | 112 }; |
115 | 113 |
116 } // namespace WebCore | 114 } // namespace WebCore |
117 | 115 |
118 #endif // TextAutosizer_h | 116 #endif // TextAutosizer_h |
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