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1 /* | 1 /* |
2 * Copyright (C) 2008 Apple Inc. All rights reserved. | 2 * Copyright (C) 2008 Apple 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 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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42 WTF_MAKE_NONCOPYABLE(FontData); | 42 WTF_MAKE_NONCOPYABLE(FontData); |
43 | 43 |
44 public: | 44 public: |
45 FontData() : m_maxGlyphPageTreeLevel(0) {} | 45 FontData() : m_maxGlyphPageTreeLevel(0) {} |
46 | 46 |
47 virtual ~FontData(); | 47 virtual ~FontData(); |
48 | 48 |
49 virtual const SimpleFontData* fontDataForCharacter(UChar32) const = 0; | 49 virtual const SimpleFontData* fontDataForCharacter(UChar32) const = 0; |
50 virtual bool isCustomFont() const = 0; | 50 virtual bool isCustomFont() const = 0; |
51 virtual bool isLoading() const = 0; | 51 virtual bool isLoading() const = 0; |
52 // Returns whether this is a temporary font data for a custom font which is no
t yet loaded. | 52 // Returns whether this is a temporary font data for a custom font which is |
| 53 // not yet loaded. |
53 virtual bool isLoadingFallback() const = 0; | 54 virtual bool isLoadingFallback() const = 0; |
54 virtual bool isSegmented() const = 0; | 55 virtual bool isSegmented() const = 0; |
55 virtual bool shouldSkipDrawing() const = 0; | 56 virtual bool shouldSkipDrawing() const = 0; |
56 | 57 |
57 void setMaxGlyphPageTreeLevel(unsigned level) const { | 58 void setMaxGlyphPageTreeLevel(unsigned level) const { |
58 m_maxGlyphPageTreeLevel = level; | 59 m_maxGlyphPageTreeLevel = level; |
59 } | 60 } |
60 unsigned maxGlyphPageTreeLevel() const { return m_maxGlyphPageTreeLevel; } | 61 unsigned maxGlyphPageTreeLevel() const { return m_maxGlyphPageTreeLevel; } |
61 | 62 |
62 private: | 63 private: |
63 mutable unsigned m_maxGlyphPageTreeLevel; | 64 mutable unsigned m_maxGlyphPageTreeLevel; |
64 }; | 65 }; |
65 | 66 |
66 #define DEFINE_FONT_DATA_TYPE_CASTS(thisType, predicate) \ | 67 #define DEFINE_FONT_DATA_TYPE_CASTS(thisType, predicate) \ |
67 template <typename T> \ | 68 template <typename T> \ |
68 inline thisType* to##thisType(const RefPtr<T>& fontData) { \ | 69 inline thisType* to##thisType(const RefPtr<T>& fontData) { \ |
69 return to##thisType(fontData.get()); \ | 70 return to##thisType(fontData.get()); \ |
70 } \ | 71 } \ |
71 DEFINE_TYPE_CASTS(thisType, FontData, fontData, \ | 72 DEFINE_TYPE_CASTS(thisType, FontData, fontData, \ |
72 fontData->isSegmented() == predicate, \ | 73 fontData->isSegmented() == predicate, \ |
73 fontData.isSegmented() == predicate) | 74 fontData.isSegmented() == predicate) |
74 | 75 |
75 } // namespace blink | 76 } // namespace blink |
76 | 77 |
77 #endif // FontData_h | 78 #endif // FontData_h |
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