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1 /* | 1 /* |
2 * Copyright (c) 2006, 2007, 2008, 2009 Google Inc. All rights reserved. | 2 * Copyright (c) 2006, 2007, 2008, 2009 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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60 | 60 |
61 namespace blink { | 61 namespace blink { |
62 | 62 |
63 #if OS(ANDROID) || OS(LINUX) | 63 #if OS(ANDROID) || OS(LINUX) |
64 // Android special locale for retrieving the color emoji font | 64 // Android special locale for retrieving the color emoji font |
65 // based on the proposed changes in UTR #51 for introducing | 65 // based on the proposed changes in UTR #51 for introducing |
66 // an Emoji script code: | 66 // an Emoji script code: |
67 // http://www.unicode.org/reports/tr51/proposed.html#Emoji_Script | 67 // http://www.unicode.org/reports/tr51/proposed.html#Emoji_Script |
68 static const char* kAndroidColorEmojiLocale = "und-Zsye"; | 68 static const char* kAndroidColorEmojiLocale = "und-Zsye"; |
69 | 69 |
70 // SkFontMgr requires script-based locale names, like "zh-Hant" and "zh-Hans", | |
71 // instead of "zh-CN" and "zh-TW". | |
72 static CString toSkFontMgrLocale(const String& locale) | |
73 { | |
74 if (!locale.startsWith("zh", TextCaseInsensitive)) | |
75 return locale.ascii(); | |
76 | |
77 switch (localeToScriptCodeForFontSelection(locale)) { | |
78 case USCRIPT_SIMPLIFIED_HAN: | |
79 return "zh-Hans"; | |
80 case USCRIPT_TRADITIONAL_HAN: | |
81 return "zh-Hant"; | |
82 default: | |
83 return locale.ascii(); | |
84 } | |
85 } | |
86 | |
87 // This function is called on android or when we are emulating android fonts on
linux and the | 70 // This function is called on android or when we are emulating android fonts on
linux and the |
88 // embedder has overriden the default fontManager with WebFontRendering::setSkia
FontMgr. | 71 // embedder has overriden the default fontManager with WebFontRendering::setSkia
FontMgr. |
89 // static | 72 // static |
90 AtomicString FontCache::getFamilyNameForCharacter(SkFontMgr* fm, UChar32 c, cons
t FontDescription& fontDescription, FontFallbackPriority fallbackPriority) | 73 AtomicString FontCache::getFamilyNameForCharacter(SkFontMgr* fm, UChar32 c, cons
t FontDescription& fontDescription, FontFallbackPriority fallbackPriority) |
91 { | 74 { |
92 ASSERT(fm); | 75 ASSERT(fm); |
93 | 76 |
94 const size_t kMaxLocales = 4; | 77 const size_t kMaxLocales = 4; |
95 const char* bcp47Locales[kMaxLocales]; | 78 const char* bcp47Locales[kMaxLocales]; |
96 size_t localeCount = 0; | 79 size_t localeCount = 0; |
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164 if (!fontPlatformData) { | 147 if (!fontPlatformData) { |
165 DEFINE_STATIC_LOCAL(const FontFaceCreationParams, mssansserifCreationPar
ams, (AtomicString("Microsoft Sans Serif"))); | 148 DEFINE_STATIC_LOCAL(const FontFaceCreationParams, mssansserifCreationPar
ams, (AtomicString("Microsoft Sans Serif"))); |
166 fontPlatformData = getFontPlatformData(description, mssansserifCreationP
arams); | 149 fontPlatformData = getFontPlatformData(description, mssansserifCreationP
arams); |
167 } | 150 } |
168 #endif | 151 #endif |
169 | 152 |
170 ASSERT(fontPlatformData); | 153 ASSERT(fontPlatformData); |
171 return fontDataFromFontPlatformData(fontPlatformData, shouldRetain); | 154 return fontDataFromFontPlatformData(fontPlatformData, shouldRetain); |
172 } | 155 } |
173 | 156 |
174 #if OS(WIN) || OS(LINUX) | |
175 static inline SkFontStyle fontStyle(const FontDescription& fontDescription) | |
176 { | |
177 int width = static_cast<int>(fontDescription.stretch()); | |
178 int weight = (fontDescription.weight() - FontWeight100 + 1) * 100; | |
179 SkFontStyle::Slant slant = fontDescription.style() == FontStyleItalic | |
180 ? SkFontStyle::kItalic_Slant | |
181 : SkFontStyle::kUpright_Slant; | |
182 return SkFontStyle(weight, width, slant); | |
183 } | |
184 | |
185 static_assert(static_cast<int>(FontStretchUltraCondensed) == static_cast<int>(Sk
FontStyle::kUltraCondensed_Width), | |
186 "FontStretchUltraCondensed should map to kUltraCondensed_Width"); | |
187 static_assert(static_cast<int>(FontStretchNormal) == static_cast<int>(SkFontStyl
e::kNormal_Width), | |
188 "FontStretchNormal should map to kNormal_Width"); | |
189 static_assert(static_cast<int>(FontStretchUltraExpanded) == static_cast<int>(SkF
ontStyle::kUltaExpanded_Width), | |
190 "FontStretchUltraExpanded should map to kUltaExpanded_Width"); | |
191 #endif | |
192 | |
193 PassRefPtr<SkTypeface> FontCache::createTypeface(const FontDescription& fontDesc
ription, const FontFaceCreationParams& creationParams, CString& name) | 157 PassRefPtr<SkTypeface> FontCache::createTypeface(const FontDescription& fontDesc
ription, const FontFaceCreationParams& creationParams, CString& name) |
194 { | 158 { |
195 #if !OS(WIN) && !OS(ANDROID) | 159 #if !OS(WIN) && !OS(ANDROID) |
196 if (creationParams.creationType() == CreateFontByFciIdAndTtcIndex) { | 160 if (creationParams.creationType() == CreateFontByFciIdAndTtcIndex) { |
197 if (Platform::current()->sandboxSupport()) | 161 if (Platform::current()->sandboxSupport()) |
198 return typefaceForFontconfigInterfaceIdAndTtcIndex(creationParams.fo
ntconfigInterfaceId(), creationParams.ttcIndex()); | 162 return typefaceForFontconfigInterfaceIdAndTtcIndex(creationParams.fo
ntconfigInterfaceId(), creationParams.ttcIndex()); |
199 return adoptRef(SkTypeface::CreateFromFile(creationParams.filename().dat
a(), creationParams.ttcIndex())); | 163 return adoptRef(SkTypeface::CreateFromFile(creationParams.filename().dat
a(), creationParams.ttcIndex())); |
200 } | 164 } |
201 #endif | 165 #endif |
202 | 166 |
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213 #if OS(WIN) | 177 #if OS(WIN) |
214 if (s_sideloadedFonts) { | 178 if (s_sideloadedFonts) { |
215 HashMap<String, RefPtr<SkTypeface>>::iterator sideloadedFont = | 179 HashMap<String, RefPtr<SkTypeface>>::iterator sideloadedFont = |
216 s_sideloadedFonts->find(name.data()); | 180 s_sideloadedFonts->find(name.data()); |
217 if (sideloadedFont != s_sideloadedFonts->end()) | 181 if (sideloadedFont != s_sideloadedFonts->end()) |
218 return sideloadedFont->value; | 182 return sideloadedFont->value; |
219 } | 183 } |
220 | 184 |
221 if (m_fontManager) { | 185 if (m_fontManager) { |
222 return adoptRef(useDirectWrite() | 186 return adoptRef(useDirectWrite() |
223 ? m_fontManager->matchFamilyStyle(name.data(), fontStyle(fontDescrip
tion)) | 187 ? m_fontManager->matchFamilyStyle(name.data(), fontDescription.skiaF
ontStyle()) |
224 : m_fontManager->legacyCreateTypeface(name.data(), fontStyle(fontDes
cription)) | 188 : m_fontManager->legacyCreateTypeface(name.data(), fontDescription.s
kiaFontStyle())); |
225 ); | |
226 } | 189 } |
227 #endif | 190 #endif |
228 | 191 |
229 #if OS(LINUX) | 192 #if OS(LINUX) |
230 // On linux if the fontManager has been overridden then we should be calling
the embedder | 193 // On linux if the fontManager has been overridden then we should be calling
the embedder |
231 // provided font Manager rather than calling SkTypeface::CreateFromName whic
h may redirect the | 194 // provided font Manager rather than calling SkTypeface::CreateFromName whic
h may redirect the |
232 // call to the default font Manager. | 195 // call to the default font Manager. |
233 if (m_fontManager) | 196 if (m_fontManager) |
234 return adoptRef(m_fontManager->matchFamilyStyle(name.data(), fontStyle(f
ontDescription))); | 197 return adoptRef(m_fontManager->matchFamilyStyle(name.data(), fontDescrip
tion.skiaFontStyle())); |
235 #endif | 198 #endif |
236 | 199 |
237 // FIXME: Use m_fontManager, SkFontStyle and matchFamilyStyle instead of | 200 // FIXME: Use m_fontManager, SkFontStyle and matchFamilyStyle instead of |
238 // CreateFromName on all platforms. | 201 // CreateFromName on all platforms. |
239 int style = SkTypeface::kNormal; | 202 int style = SkTypeface::kNormal; |
240 if (fontDescription.weight() >= FontWeight600) | 203 if (fontDescription.weight() >= FontWeight600) |
241 style |= SkTypeface::kBold; | 204 style |= SkTypeface::kBold; |
242 if (fontDescription.style()) | 205 if (fontDescription.style()) |
243 style |= SkTypeface::kItalic; | 206 style |= SkTypeface::kItalic; |
244 return adoptRef(SkTypeface::CreateFromName(name.data(), static_cast<SkTypefa
ce::Style>(style))); | 207 return adoptRef(SkTypeface::CreateFromName(name.data(), static_cast<SkTypefa
ce::Style>(style))); |
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257 name.data(), | 220 name.data(), |
258 fontSize, | 221 fontSize, |
259 (fontDescription.weight() >= FontWeight600 && !tf->isBold()) || fontDesc
ription.isSyntheticBold(), | 222 (fontDescription.weight() >= FontWeight600 && !tf->isBold()) || fontDesc
ription.isSyntheticBold(), |
260 ((fontDescription.style() == FontStyleItalic || fontDescription.style()
== FontStyleOblique) && !tf->isItalic()) || fontDescription.isSyntheticItalic(), | 223 ((fontDescription.style() == FontStyleItalic || fontDescription.style()
== FontStyleOblique) && !tf->isItalic()) || fontDescription.isSyntheticItalic(), |
261 fontDescription.orientation(), | 224 fontDescription.orientation(), |
262 fontDescription.useSubpixelPositioning())); | 225 fontDescription.useSubpixelPositioning())); |
263 } | 226 } |
264 #endif // !OS(WIN) | 227 #endif // !OS(WIN) |
265 | 228 |
266 } // namespace blink | 229 } // namespace blink |
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