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1 /* | 1 /* |
2 * Copyright (C) 2006, 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2006, 2009 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 * | 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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81 return &m_primaryPage; | 81 return &m_primaryPage; |
82 return locatePageSlowCase(pageNumber); | 82 return locatePageSlowCase(pageNumber); |
83 } | 83 } |
84 | 84 |
85 GlyphMetricsPage* locatePageSlowCase(unsigned pageNumber); | 85 GlyphMetricsPage* locatePageSlowCase(unsigned pageNumber); |
86 | 86 |
87 static T unknownMetrics(); | 87 static T unknownMetrics(); |
88 | 88 |
89 bool m_filledPrimaryPage; | 89 bool m_filledPrimaryPage; |
90 GlyphMetricsPage m_primaryPage; // We optimize for the page that contains gl
yph indices 0-255. | 90 GlyphMetricsPage m_primaryPage; // We optimize for the page that contains gl
yph indices 0-255. |
91 OwnPtr<HashMap<int, OwnPtr<GlyphMetricsPage> > > m_pages; | 91 OwnPtr<HashMap<int, OwnPtr<GlyphMetricsPage>> > m_pages; |
92 }; | 92 }; |
93 | 93 |
94 template<> inline float GlyphMetricsMap<float>::unknownMetrics() | 94 template<> inline float GlyphMetricsMap<float>::unknownMetrics() |
95 { | 95 { |
96 return cGlyphSizeUnknown; | 96 return cGlyphSizeUnknown; |
97 } | 97 } |
98 | 98 |
99 template<> inline FloatRect GlyphMetricsMap<FloatRect>::unknownMetrics() | 99 template<> inline FloatRect GlyphMetricsMap<FloatRect>::unknownMetrics() |
100 { | 100 { |
101 return FloatRect(0, 0, cGlyphSizeUnknown, cGlyphSizeUnknown); | 101 return FloatRect(0, 0, cGlyphSizeUnknown, cGlyphSizeUnknown); |
102 } | 102 } |
103 | 103 |
104 template<class T> typename GlyphMetricsMap<T>::GlyphMetricsPage* GlyphMetricsMap
<T>::locatePageSlowCase(unsigned pageNumber) | 104 template<class T> typename GlyphMetricsMap<T>::GlyphMetricsPage* GlyphMetricsMap
<T>::locatePageSlowCase(unsigned pageNumber) |
105 { | 105 { |
106 GlyphMetricsPage* page; | 106 GlyphMetricsPage* page; |
107 if (!pageNumber) { | 107 if (!pageNumber) { |
108 ASSERT(!m_filledPrimaryPage); | 108 ASSERT(!m_filledPrimaryPage); |
109 page = &m_primaryPage; | 109 page = &m_primaryPage; |
110 m_filledPrimaryPage = true; | 110 m_filledPrimaryPage = true; |
111 } else { | 111 } else { |
112 if (m_pages) { | 112 if (m_pages) { |
113 page = m_pages->get(pageNumber); | 113 page = m_pages->get(pageNumber); |
114 if (page) | 114 if (page) |
115 return page; | 115 return page; |
116 } else | 116 } else { |
117 m_pages = adoptPtr(new HashMap<int, OwnPtr<GlyphMetricsPage> >); | 117 m_pages = adoptPtr(new HashMap<int, OwnPtr<GlyphMetricsPage>>); |
| 118 } |
118 page = new GlyphMetricsPage; | 119 page = new GlyphMetricsPage; |
119 m_pages->set(pageNumber, adoptPtr(page)); | 120 m_pages->set(pageNumber, adoptPtr(page)); |
120 } | 121 } |
121 | 122 |
122 // Fill in the whole page with the unknown glyph information. | 123 // Fill in the whole page with the unknown glyph information. |
123 for (unsigned i = 0; i < GlyphMetricsPage::size; i++) | 124 for (unsigned i = 0; i < GlyphMetricsPage::size; i++) |
124 page->setMetricsForIndex(i, unknownMetrics()); | 125 page->setMetricsForIndex(i, unknownMetrics()); |
125 | 126 |
126 return page; | 127 return page; |
127 } | 128 } |
128 | 129 |
129 } // namespace blink | 130 } // namespace blink |
130 | 131 |
131 #endif | 132 #endif |
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