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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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25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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 "SkFontMgr.h" | 31 #include "SkFontMgr.h" |
32 #include "SkStream.h" | 32 #include "SkStream.h" |
33 #include "SkTypeface.h" | 33 #include "SkTypeface.h" |
34 #include "platform/Language.h" | 34 #include "platform/Language.h" |
35 #include "platform/fonts/AcceptLanguagesResolver.h" | |
36 #include "platform/fonts/AlternateFontFamily.h" | 35 #include "platform/fonts/AlternateFontFamily.h" |
37 #include "platform/fonts/FontCache.h" | 36 #include "platform/fonts/FontCache.h" |
38 #include "platform/fonts/FontDescription.h" | 37 #include "platform/fonts/FontDescription.h" |
39 #include "platform/fonts/FontFaceCreationParams.h" | 38 #include "platform/fonts/FontFaceCreationParams.h" |
40 #include "platform/fonts/SimpleFontData.h" | 39 #include "platform/fonts/SimpleFontData.h" |
41 #include "platform/graphics/skia/SkiaUtils.h" | 40 #include "platform/graphics/skia/SkiaUtils.h" |
42 #include "public/platform/Platform.h" | 41 #include "public/platform/Platform.h" |
43 #include "public/platform/linux/WebSandboxSupport.h" | 42 #include "public/platform/linux/WebSandboxSupport.h" |
44 #include "wtf/Assertions.h" | 43 #include "wtf/Assertions.h" |
45 #include "wtf/PtrUtil.h" | 44 #include "wtf/PtrUtil.h" |
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74 // embedder has overriden the default fontManager with WebFontRendering::setSkia FontMgr. | 73 // embedder has overriden the default fontManager with WebFontRendering::setSkia FontMgr. |
75 // static | 74 // static |
76 AtomicString FontCache::getFamilyNameForCharacter(SkFontMgr* fm, UChar32 c, cons t FontDescription& fontDescription, FontFallbackPriority fallbackPriority) | 75 AtomicString FontCache::getFamilyNameForCharacter(SkFontMgr* fm, UChar32 c, cons t FontDescription& fontDescription, FontFallbackPriority fallbackPriority) |
77 { | 76 { |
78 ASSERT(fm); | 77 ASSERT(fm); |
79 | 78 |
80 const size_t kMaxLocales = 4; | 79 const size_t kMaxLocales = 4; |
81 const char* bcp47Locales[kMaxLocales]; | 80 const char* bcp47Locales[kMaxLocales]; |
82 size_t localeCount = 0; | 81 size_t localeCount = 0; |
83 | 82 |
84 if (fallbackPriority == FontFallbackPriority::EmojiEmoji) { | 83 // Fill in the list of locales in the reverse priority order. |
84 // The last one is the highest. | |
drott
2016/07/28 08:05:23
Perhaps we can rephrase this second line of the co
kojii
2016/07/29 04:27:40
Your text looks great, fixed. Wanted to put a link
| |
85 const LayoutLocale* contentLocale = fontDescription.locale(); | |
86 if (const LayoutLocale* hanLocale = LayoutLocale::localeForHan(contentLocale )) | |
87 bcp47Locales[localeCount++] = hanLocale->localeForHanForSkFontMgr(); | |
88 bcp47Locales[localeCount++] = LayoutLocale::getDefault().localeForSkFontMgr( ); | |
89 if (contentLocale) | |
90 bcp47Locales[localeCount++] = contentLocale->localeForSkFontMgr(); | |
91 if (fallbackPriority == FontFallbackPriority::EmojiEmoji) | |
85 bcp47Locales[localeCount++] = kAndroidColorEmojiLocale; | 92 bcp47Locales[localeCount++] = kAndroidColorEmojiLocale; |
86 } | |
87 if (const char* hanLocale = AcceptLanguagesResolver::preferredHanSkFontMgrLo cale()) | |
88 bcp47Locales[localeCount++] = hanLocale; | |
89 bcp47Locales[localeCount++] = LayoutLocale::getDefault().localeForSkFontMgr( ).data(); | |
90 if (const LayoutLocale* locale = fontDescription.locale()) | |
91 bcp47Locales[localeCount++] = locale->localeForSkFontMgr().data(); | |
92 ASSERT_WITH_SECURITY_IMPLICATION(localeCount < kMaxLocales); | 93 ASSERT_WITH_SECURITY_IMPLICATION(localeCount < kMaxLocales); |
93 RefPtr<SkTypeface> typeface = adoptRef(fm->matchFamilyStyleCharacter(0, SkFo ntStyle(), bcp47Locales, localeCount, c)); | 94 RefPtr<SkTypeface> typeface = adoptRef(fm->matchFamilyStyleCharacter(0, SkFo ntStyle(), bcp47Locales, localeCount, c)); |
94 if (!typeface) | 95 if (!typeface) |
95 return emptyAtom; | 96 return emptyAtom; |
96 | 97 |
97 SkString skiaFamilyName; | 98 SkString skiaFamilyName; |
98 typeface->getFamilyName(&skiaFamilyName); | 99 typeface->getFamilyName(&skiaFamilyName); |
99 return skiaFamilyName.c_str(); | 100 return skiaFamilyName.c_str(); |
100 } | 101 } |
101 #endif | 102 #endif |
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210 return wrapUnique(new FontPlatformData(tf, | 211 return wrapUnique(new FontPlatformData(tf, |
211 name.data(), | 212 name.data(), |
212 fontSize, | 213 fontSize, |
213 (fontDescription.weight() > 200 + tf->fontStyle().weight()) || fontDescr iption.isSyntheticBold(), | 214 (fontDescription.weight() > 200 + tf->fontStyle().weight()) || fontDescr iption.isSyntheticBold(), |
214 ((fontDescription.style() == FontStyleItalic || fontDescription.style() == FontStyleOblique) && !tf->isItalic()) || fontDescription.isSyntheticItalic(), | 215 ((fontDescription.style() == FontStyleItalic || fontDescription.style() == FontStyleOblique) && !tf->isItalic()) || fontDescription.isSyntheticItalic(), |
215 fontDescription.orientation())); | 216 fontDescription.orientation())); |
216 } | 217 } |
217 #endif // !OS(WIN) | 218 #endif // !OS(WIN) |
218 | 219 |
219 } // namespace blink | 220 } // namespace blink |
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