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1 /* | 1 /* |
2 * Copyright (c) 2011 Google Inc. All rights reserved. | 2 * Copyright (c) 2011 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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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 "config.h" | 31 #include "config.h" |
32 #include "platform/fonts/FontCache.h" | 32 #include "platform/fonts/FontCache.h" |
33 | 33 |
34 | 34 |
35 #include "platform/fonts/SimpleFontData.h" | 35 #include "platform/fonts/SimpleFontData.h" |
36 #include "platform/fonts/FontDescription.h" | 36 #include "platform/fonts/FontDescription.h" |
| 37 #include "platform/fonts/FontFaceCreationParams.h" |
37 | 38 |
38 #include "SkTypeface_android.h" | 39 #include "SkTypeface_android.h" |
39 | 40 |
40 namespace WebCore { | 41 namespace WebCore { |
41 | 42 |
42 static AtomicString getFamilyNameForCharacter(UChar32 c, UScriptCode script) | 43 static AtomicString getFamilyNameForCharacter(UChar32 c, UScriptCode script) |
43 { | 44 { |
44 // This is a hack to use the preferred font for CJK scripts. | 45 // This is a hack to use the preferred font for CJK scripts. |
45 // FIXME: Use new Skia API once Android system supports per-family and per-s
cript fallback fonts. | 46 // FIXME: Use new Skia API once Android system supports per-family and per-s
cript fallback fonts. |
46 const char* locale; | 47 const char* locale; |
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67 return emptyAtom; | 68 return emptyAtom; |
68 | 69 |
69 return skiaFamilyName.c_str(); | 70 return skiaFamilyName.c_str(); |
70 } | 71 } |
71 | 72 |
72 PassRefPtr<SimpleFontData> FontCache::fallbackFontForCharacter(const FontDescrip
tion& fontDescription, UChar32 c, const SimpleFontData*) | 73 PassRefPtr<SimpleFontData> FontCache::fallbackFontForCharacter(const FontDescrip
tion& fontDescription, UChar32 c, const SimpleFontData*) |
73 { | 74 { |
74 AtomicString familyName = getFamilyNameForCharacter(c, fontDescription.scrip
t()); | 75 AtomicString familyName = getFamilyNameForCharacter(c, fontDescription.scrip
t()); |
75 if (familyName.isEmpty()) | 76 if (familyName.isEmpty()) |
76 return getLastResortFallbackFont(fontDescription, DoNotRetain); | 77 return getLastResortFallbackFont(fontDescription, DoNotRetain); |
77 return fontDataFromFontPlatformData(getFontPlatformData(fontDescription, fam
ilyName), DoNotRetain); | 78 return fontDataFromFontPlatformData(getFontPlatformData(fontDescription, Fon
tFaceCreationParams(familyName)), DoNotRetain); |
78 } | 79 } |
79 | 80 |
80 // static | 81 // static |
81 AtomicString FontCache::getGenericFamilyNameForScript(const AtomicString& family
Name, UScriptCode script) | 82 AtomicString FontCache::getGenericFamilyNameForScript(const AtomicString& family
Name, UScriptCode script) |
82 { | 83 { |
83 // This is a hack to use the preferred font for CJK scripts. | 84 // This is a hack to use the preferred font for CJK scripts. |
84 // FIXME: Use new Skia API once Android system supports per-family and per-s
cript fallback fonts. | 85 // FIXME: Use new Skia API once Android system supports per-family and per-s
cript fallback fonts. |
85 UChar32 examplerChar; | 86 UChar32 examplerChar; |
86 switch (script) { | 87 switch (script) { |
87 case USCRIPT_SIMPLIFIED_HAN: | 88 case USCRIPT_SIMPLIFIED_HAN: |
88 case USCRIPT_TRADITIONAL_HAN: | 89 case USCRIPT_TRADITIONAL_HAN: |
89 case USCRIPT_KATAKANA_OR_HIRAGANA: | 90 case USCRIPT_KATAKANA_OR_HIRAGANA: |
90 examplerChar = 0x4E00; // A common character in Japanese and Chinese. | 91 examplerChar = 0x4E00; // A common character in Japanese and Chinese. |
91 break; | 92 break; |
92 case USCRIPT_HANGUL: | 93 case USCRIPT_HANGUL: |
93 examplerChar = 0xAC00; | 94 examplerChar = 0xAC00; |
94 break; | 95 break; |
95 default: | 96 default: |
96 // For other scripts, use the default generic family mapping logic. | 97 // For other scripts, use the default generic family mapping logic. |
97 return familyName; | 98 return familyName; |
98 } | 99 } |
99 | 100 |
100 return getFamilyNameForCharacter(examplerChar, script); | 101 return getFamilyNameForCharacter(examplerChar, script); |
101 } | 102 } |
102 | 103 |
103 } // namespace WebCore | 104 } // namespace WebCore |
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