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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 are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * 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 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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47 class SimpleFontData; | 47 class SimpleFontData; |
48 | 48 |
49 class HarfBuzzShaper { | 49 class HarfBuzzShaper { |
50 public: | 50 public: |
51 enum NormalizeMode { | 51 enum NormalizeMode { |
52 DoNotNormalizeMirrorChars, | 52 DoNotNormalizeMirrorChars, |
53 NormalizeMirrorChars | 53 NormalizeMirrorChars |
54 }; | 54 }; |
55 | 55 |
56 HarfBuzzShaper(const Font*, const TextRun&); | 56 HarfBuzzShaper(const Font*, const TextRun&); |
57 virtual ~HarfBuzzShaper(); | |
58 | 57 |
59 void setDrawRange(int from, int to); | 58 void setDrawRange(int from, int to); |
60 bool shape(GlyphBuffer* = 0); | 59 bool shape(GlyphBuffer* = 0); |
61 FloatPoint adjustStartPoint(const FloatPoint&); | 60 FloatPoint adjustStartPoint(const FloatPoint&); |
62 float totalWidth() { return m_totalWidth; } | 61 float totalWidth() { return m_totalWidth; } |
63 int offsetForPosition(float targetX); | 62 int offsetForPosition(float targetX); |
64 FloatRect selectionRect(const FloatPoint&, int height, int from, int to); | 63 FloatRect selectionRect(const FloatPoint&, int height, int from, int to); |
65 | 64 |
66 private: | 65 private: |
67 class HarfBuzzRun { | 66 class HarfBuzzRun { |
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151 int m_toIndex; | 150 int m_toIndex; |
152 | 151 |
153 float m_totalWidth; | 152 float m_totalWidth; |
154 | 153 |
155 friend struct CachedShapingResults; | 154 friend struct CachedShapingResults; |
156 }; | 155 }; |
157 | 156 |
158 } // namespace WebCore | 157 } // namespace WebCore |
159 | 158 |
160 #endif // HarfBuzzShaper_h | 159 #endif // HarfBuzzShaper_h |
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