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1 /* | 1 /* |
2 * Copyright (c) 2006, 2007, 2008, 2009, 2010, 2012 Google Inc. All rights reser
ved. | 2 * Copyright (c) 2006, 2007, 2008, 2009, 2010, 2012 Google Inc. All rights reser
ved. |
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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28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #include "config.h" | 31 #include "config.h" |
32 #include "platform/fonts/win/FontFallbackWin.h" | 32 #include "platform/fonts/win/FontFallbackWin.h" |
33 | 33 |
34 #include "platform/fonts/FontCache.h" | 34 #include "platform/fonts/FontCache.h" |
35 #include "SkFontMgr.h" | 35 #include "SkFontMgr.h" |
36 #include "SkTypeface.h" | 36 #include "SkTypeface.h" |
37 #include "wtf/HashMap.h" | 37 #include "wtf/HashMap.h" |
| 38 #include "wtf/StringExtras.h" |
38 #include "wtf/text/StringHash.h" | 39 #include "wtf/text/StringHash.h" |
39 #include "wtf/text/WTFString.h" | 40 #include "wtf/text/WTFString.h" |
40 #include <limits> | 41 #include <limits> |
41 #include <unicode/locid.h> | |
42 #include <unicode/uchar.h> | 42 #include <unicode/uchar.h> |
43 | 43 |
44 namespace blink { | 44 namespace blink { |
45 | 45 |
| 46 UScriptCode scriptCodeForUnifiedHanFromLocale(const icu::Locale& locale) |
| 47 { |
| 48 // ICU default locale may have country as an empty string or differently. |
| 49 // Avoid fullName comparisons for Japanese and Korean where language() |
| 50 // can safely disambiguate. |
| 51 if (strcasecmp(locale.getLanguage(), icu::Locale::getJapanese().getLanguage(
)) == 0) |
| 52 return USCRIPT_HIRAGANA; |
| 53 if (strcasecmp(locale.getLanguage(), icu::Locale::getKorean().getLanguage())
== 0) |
| 54 return USCRIPT_HANGUL; |
| 55 |
| 56 const icu::Locale& traditionalChinese = icu::Locale::getTraditionalChinese()
; |
| 57 if (strcasecmp(locale.getLanguage(), traditionalChinese.getLanguage()) == 0 |
| 58 && (strcasecmp(locale.getCountry(), traditionalChinese.getCountry()) ==
0 |
| 59 || strcasecmp(locale.getCountry(), "HK") == 0 |
| 60 || strcasecmp(locale.getScript(), "Hant") == 0)) { |
| 61 return USCRIPT_TRADITIONAL_HAN; |
| 62 } |
| 63 |
| 64 // For other locales, use the simplified Chinese font for Han. |
| 65 return USCRIPT_SIMPLIFIED_HAN; |
| 66 } |
| 67 |
46 namespace { | 68 namespace { |
47 | 69 |
48 static inline bool isFontPresent(const UChar* fontName, SkFontMgr* fontManager) | 70 static inline bool isFontPresent(const UChar* fontName, SkFontMgr* fontManager) |
49 { | 71 { |
50 String family = fontName; | 72 String family = fontName; |
51 SkTypeface* typeface; | 73 SkTypeface* typeface; |
52 if (FontCache::useDirectWrite()) | 74 if (FontCache::useDirectWrite()) |
53 typeface = fontManager->matchFamilyStyle(family.utf8().data(), SkFontSty
le()); | 75 typeface = fontManager->matchFamilyStyle(family.utf8().data(), SkFontSty
le()); |
54 else | 76 else |
55 typeface = fontManager->legacyCreateTypeface(family.utf8().data(), SkTyp
eface::kNormal); | 77 typeface = fontManager->legacyCreateTypeface(family.utf8().data(), SkTyp
eface::kNormal); |
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211 scriptFontMap[script] = *familyPtr; | 233 scriptFontMap[script] = *familyPtr; |
212 break; | 234 break; |
213 } | 235 } |
214 ++familyPtr; | 236 ++familyPtr; |
215 } | 237 } |
216 } | 238 } |
217 | 239 |
218 // Initialize the locale-dependent mapping. | 240 // Initialize the locale-dependent mapping. |
219 // Since Chrome synchronizes the ICU default locale with its UI locale, | 241 // Since Chrome synchronizes the ICU default locale with its UI locale, |
220 // this ICU locale tells the current UI locale of Chrome. | 242 // this ICU locale tells the current UI locale of Chrome. |
221 icu::Locale locale = icu::Locale::getDefault(); | 243 const UChar* localeFamily = scriptFontMap[scriptCodeForUnifiedHanFromLocale( |
222 const UChar* localeFamily = 0; | 244 icu::Locale::getDefault())]; |
223 if (locale == icu::Locale::getJapanese()) { | |
224 localeFamily = scriptFontMap[USCRIPT_HIRAGANA]; | |
225 } else if (locale == icu::Locale::getKorean()) { | |
226 localeFamily = scriptFontMap[USCRIPT_HANGUL]; | |
227 } else if (locale == icu::Locale::getTraditionalChinese()) { | |
228 localeFamily = scriptFontMap[USCRIPT_TRADITIONAL_HAN]; | |
229 } else { | |
230 // For other locales, use the simplified Chinese font for Han. | |
231 localeFamily = scriptFontMap[USCRIPT_SIMPLIFIED_HAN]; | |
232 } | |
233 if (localeFamily) | 245 if (localeFamily) |
234 scriptFontMap[USCRIPT_HAN] = localeFamily; | 246 scriptFontMap[USCRIPT_HAN] = localeFamily; |
235 } | 247 } |
236 | 248 |
237 // There are a lot of characters in USCRIPT_COMMON that can be covered | 249 // There are a lot of characters in USCRIPT_COMMON that can be covered |
238 // by fonts for scripts closely related to them. See | 250 // by fonts for scripts closely related to them. See |
239 // http://unicode.org/cldr/utility/list-unicodeset.jsp?a=[:Script=Common:] | 251 // http://unicode.org/cldr/utility/list-unicodeset.jsp?a=[:Script=Common:] |
240 // FIXME: make this more efficient with a wider coverage | 252 // FIXME: make this more efficient with a wider coverage |
241 UScriptCode getScriptBasedOnUnicodeBlock(int ucs4) | 253 UScriptCode getScriptBasedOnUnicodeBlock(int ucs4) |
242 { | 254 { |
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411 family = L"lucida sans unicode"; | 423 family = L"lucida sans unicode"; |
412 } | 424 } |
413 } | 425 } |
414 | 426 |
415 if (scriptChecked) | 427 if (scriptChecked) |
416 *scriptChecked = script; | 428 *scriptChecked = script; |
417 return family; | 429 return family; |
418 } | 430 } |
419 | 431 |
420 } // namespace blink | 432 } // namespace blink |
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