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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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99 return; | 99 return; |
100 | 100 |
101 if (it == m_firstNonCssConnectedFace) | 101 if (it == m_firstNonCssConnectedFace) |
102 ++m_firstNonCssConnectedFace; | 102 ++m_firstNonCssConnectedFace; |
103 m_fontFaces.remove(it); | 103 m_fontFaces.remove(it); |
104 | 104 |
105 pruneTable(); | 105 pruneTable(); |
106 fontFace->cssFontFace()->clearSegmentedFontFace(); | 106 fontFace->cssFontFace()->clearSegmentedFontFace(); |
107 } | 107 } |
108 | 108 |
109 static void appendFontData(SegmentedFontData* newFontData, PassRefPtr<SimpleFont
Data> prpFaceFontData, const UnicodeRangeSet& ranges) | |
110 { | |
111 RefPtr<SimpleFontData> faceFontData = prpFaceFontData; | |
112 unsigned numRanges = ranges.size(); | |
113 if (!numRanges) { | |
114 newFontData->appendRange(FontDataRange(0, 0x7FFFFFFF, faceFontData)); | |
115 return; | |
116 } | |
117 | |
118 for (unsigned j = 0; j < numRanges; ++j) | |
119 newFontData->appendRange(FontDataRange(ranges.rangeAt(j).from(), ranges.
rangeAt(j).to(), faceFontData)); | |
120 } | |
121 | |
122 PassRefPtr<FontData> CSSSegmentedFontFace::getFontData(const FontDescription& fo
ntDescription) | 109 PassRefPtr<FontData> CSSSegmentedFontFace::getFontData(const FontDescription& fo
ntDescription) |
123 { | 110 { |
124 if (!isValid()) | 111 if (!isValid()) |
125 return nullptr; | 112 return nullptr; |
126 | 113 |
127 FontTraits desiredTraits = fontDescription.traits(); | 114 FontTraits desiredTraits = fontDescription.traits(); |
128 FontCacheKey key = fontDescription.cacheKey(FontFaceCreationParams(), desire
dTraits); | 115 FontCacheKey key = fontDescription.cacheKey(FontFaceCreationParams(), desire
dTraits); |
129 | 116 |
130 RefPtr<SegmentedFontData>& fontData = m_fontDataTable.add(key.hash(), nullpt
r).storedValue->value; | 117 RefPtr<SegmentedFontData>& fontData = m_fontDataTable.add(key.hash(), nullpt
r).storedValue->value; |
131 if (fontData && fontData->numRanges()) | 118 if (fontData && fontData->numFaces()) |
132 return fontData; // No release, we have a reference to an object in the
cache which should retain the ref count it has. | 119 return fontData; // No release, we have a reference to an object in the
cache which should retain the ref count it has. |
133 | 120 |
134 if (!fontData) | 121 if (!fontData) |
135 fontData = SegmentedFontData::create(); | 122 fontData = SegmentedFontData::create(); |
136 | 123 |
137 FontDescription requestedFontDescription(fontDescription); | 124 FontDescription requestedFontDescription(fontDescription); |
138 requestedFontDescription.setTraits(m_traits); | 125 requestedFontDescription.setTraits(m_traits); |
139 requestedFontDescription.setSyntheticBold(m_traits.weight() < FontWeight600
&& desiredTraits.weight() >= FontWeight600); | 126 requestedFontDescription.setSyntheticBold(m_traits.weight() < FontWeight600
&& desiredTraits.weight() >= FontWeight600); |
140 requestedFontDescription.setSyntheticItalic(m_traits.style() == FontStyleNor
mal && desiredTraits.style() == FontStyleItalic); | 127 requestedFontDescription.setSyntheticItalic(m_traits.style() == FontStyleNor
mal && desiredTraits.style() == FontStyleItalic); |
141 | 128 |
142 for (FontFaceList::reverse_iterator it = m_fontFaces.rbegin(); it != m_fontF
aces.rend(); ++it) { | 129 for (FontFaceList::reverse_iterator it = m_fontFaces.rbegin(); it != m_fontF
aces.rend(); ++it) { |
143 if (!(*it)->cssFontFace()->isValid()) | 130 if (!(*it)->cssFontFace()->isValid()) |
144 continue; | 131 continue; |
145 if (RefPtr<SimpleFontData> faceFontData = (*it)->cssFontFace()->getFontD
ata(requestedFontDescription)) { | 132 if (RefPtr<SimpleFontData> faceFontData = (*it)->cssFontFace()->getFontD
ata(requestedFontDescription)) { |
146 ASSERT(!faceFontData->isSegmented()); | 133 ASSERT(!faceFontData->isSegmented()); |
147 appendFontData(fontData.get(), faceFontData.release(), (*it)->cssFon
tFace()->ranges()); | 134 fontData->appendFace(FontDataForRangeSet(faceFontData.release(), (*i
t)->cssFontFace()->ranges())); |
148 } | 135 } |
149 } | 136 } |
150 if (fontData->numRanges()) | 137 if (fontData->numFaces()) |
151 return fontData; // No release, we have a reference to an object in the
cache which should retain the ref count it has. | 138 return fontData; // No release, we have a reference to an object in the
cache which should retain the ref count it has. |
152 | 139 |
153 return nullptr; | 140 return nullptr; |
154 } | 141 } |
155 | 142 |
156 void CSSSegmentedFontFace::willUseFontData(const FontDescription& fontDescriptio
n, UChar32 character) | 143 void CSSSegmentedFontFace::willUseFontData(const FontDescription& fontDescriptio
n, UChar32 character) |
157 { | 144 { |
158 for (FontFaceList::reverse_iterator it = m_fontFaces.rbegin(); it != m_fontF
aces.rend(); ++it) { | 145 for (FontFaceList::reverse_iterator it = m_fontFaces.rbegin(); it != m_fontF
aces.rend(); ++it) { |
159 if ((*it)->loadStatus() != FontFace::Unloaded) | 146 if ((*it)->loadStatus() != FontFace::Unloaded) |
160 break; | 147 break; |
161 if ((*it)->cssFontFace()->maybeScheduleFontLoad(fontDescription, charact
er)) | 148 if ((*it)->cssFontFace()->maybeScheduleFontLoad(fontDescription, charact
er)) |
162 break; | 149 break; |
163 } | 150 } |
164 } | 151 } |
165 | 152 |
166 void CSSSegmentedFontFace::willUseRange(const blink::FontDescription& fontDescri
ption, const blink::FontDataRange& range) | 153 void CSSSegmentedFontFace::willUseRange(const blink::FontDescription& fontDescri
ption, const blink::FontDataForRangeSet& rangeSet) |
167 { | 154 { |
168 // Iterating backwards since later defined unicode-range faces override | 155 // Iterating backwards since later defined unicode-range faces override |
169 // previously defined ones, according to the CSS3 fonts module. | 156 // previously defined ones, according to the CSS3 fonts module. |
170 // https://drafts.csswg.org/css-fonts/#composite-fonts | 157 // https://drafts.csswg.org/css-fonts/#composite-fonts |
171 for (FontFaceList::reverse_iterator it = m_fontFaces.rbegin(); it != m_fontF
aces.rend(); ++it) { | 158 for (FontFaceList::reverse_iterator it = m_fontFaces.rbegin(); it != m_fontF
aces.rend(); ++it) { |
172 CSSFontFace* cssFontFace = (*it)->cssFontFace(); | 159 CSSFontFace* cssFontFace = (*it)->cssFontFace(); |
173 if (cssFontFace->maybeScheduleFontLoad(fontDescription, range)) | 160 if (cssFontFace->maybeScheduleFontLoad(fontDescription, rangeSet)) |
174 break; | 161 break; |
175 } | 162 } |
176 } | 163 } |
177 | 164 |
178 bool CSSSegmentedFontFace::checkFont(const String& text) const | 165 bool CSSSegmentedFontFace::checkFont(const String& text) const |
179 { | 166 { |
180 for (const auto& fontFace : m_fontFaces) { | 167 for (const auto& fontFace : m_fontFaces) { |
181 if (fontFace->loadStatus() != FontFace::Loaded && fontFace->cssFontFace(
)->ranges().intersectsWith(text)) | 168 if (fontFace->loadStatus() != FontFace::Loaded && fontFace->cssFontFace(
)->ranges()->intersectsWith(text)) |
182 return false; | 169 return false; |
183 } | 170 } |
184 return true; | 171 return true; |
185 } | 172 } |
186 | 173 |
187 void CSSSegmentedFontFace::match(const String& text, WillBeHeapVector<RefPtrWill
BeMember<FontFace>>& faces) const | 174 void CSSSegmentedFontFace::match(const String& text, WillBeHeapVector<RefPtrWill
BeMember<FontFace>>& faces) const |
188 { | 175 { |
189 for (const auto& fontFace : m_fontFaces) { | 176 for (const auto& fontFace : m_fontFaces) { |
190 if (fontFace->cssFontFace()->ranges().intersectsWith(text)) | 177 if (fontFace->cssFontFace()->ranges()->intersectsWith(text)) |
191 faces.append(fontFace); | 178 faces.append(fontFace); |
192 } | 179 } |
193 } | 180 } |
194 | 181 |
195 DEFINE_TRACE(CSSSegmentedFontFace) | 182 DEFINE_TRACE(CSSSegmentedFontFace) |
196 { | 183 { |
197 #if ENABLE(OILPAN) | 184 #if ENABLE(OILPAN) |
198 visitor->trace(m_fontSelector); | 185 visitor->trace(m_fontSelector); |
199 visitor->trace(m_fontFaces); | 186 visitor->trace(m_fontFaces); |
200 #endif | 187 #endif |
201 } | 188 } |
202 | 189 |
203 } // namespace blink | 190 } // namespace blink |
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