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| 1 /* | |
| 2 * Copyright (c) 2011 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 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. | |
| 29 */ | |
| 30 | |
| 31 #include "config.h" | |
| 32 #include "core/platform/graphics/FontCache.h" | |
| 33 | |
| 34 #include "core/platform/graphics/Font.h" | |
| 35 #include "core/platform/graphics/SimpleFontData.h" | |
| 36 #include "platform/fonts/FontDescription.h" | |
| 37 | |
| 38 #include "SkTypeface_android.h" | |
| 39 | |
| 40 namespace WebCore { | |
| 41 | |
| 42 static AtomicString getFamilyNameForCharacter(UChar32 c, UScriptCode script) | |
| 43 { | |
| 44 // 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 const char* locale; | |
| 47 switch (script) { | |
| 48 case USCRIPT_SIMPLIFIED_HAN: | |
| 49 locale = "zh-CN"; | |
| 50 break; | |
| 51 case USCRIPT_TRADITIONAL_HAN: | |
| 52 locale = "zh-TW"; | |
| 53 break; | |
| 54 case USCRIPT_KATAKANA_OR_HIRAGANA: | |
| 55 locale = "ja"; | |
| 56 break; | |
| 57 case USCRIPT_HANGUL: | |
| 58 locale = "ko"; | |
| 59 break; | |
| 60 default: | |
| 61 locale = 0; | |
| 62 break; | |
| 63 } | |
| 64 | |
| 65 SkString skiaFamilyName; | |
| 66 if (!SkGetFallbackFamilyNameForChar(c, locale, &skiaFamilyName) || skiaFamil
yName.isEmpty()) | |
| 67 return AtomicString(); | |
| 68 return skiaFamilyName.c_str(); | |
| 69 } | |
| 70 | |
| 71 PassRefPtr<SimpleFontData> FontCache::getFontDataForCharacter(const Font& font,
UChar32 c) | |
| 72 { | |
| 73 AtomicString familyName = getFamilyNameForCharacter(c, font.fontDescription(
).script()); | |
| 74 if (familyName.isEmpty()) | |
| 75 return 0; | |
| 76 return getFontResourceData(getFontResourcePlatformData(font.fontDescription(
), familyName, DoNotRetain), DoNotRetain); | |
| 77 } | |
| 78 | |
| 79 // static | |
| 80 AtomicString FontCache::getGenericFamilyNameForScript(const AtomicString& family
Name, UScriptCode script) | |
| 81 { | |
| 82 // This is a hack to use the preferred font for CJK scripts. | |
| 83 // FIXME: Use new Skia API once Android system supports per-family and per-s
cript fallback fonts. | |
| 84 UChar32 examplerChar; | |
| 85 switch (script) { | |
| 86 case USCRIPT_SIMPLIFIED_HAN: | |
| 87 case USCRIPT_TRADITIONAL_HAN: | |
| 88 case USCRIPT_KATAKANA_OR_HIRAGANA: | |
| 89 examplerChar = 0x4E00; // A common character in Japanese and Chinese. | |
| 90 break; | |
| 91 case USCRIPT_HANGUL: | |
| 92 examplerChar = 0xAC00; | |
| 93 break; | |
| 94 default: | |
| 95 // For other scripts, use the default generic family mapping logic. | |
| 96 return familyName; | |
| 97 } | |
| 98 | |
| 99 return getFamilyNameForCharacter(examplerChar, script); | |
| 100 } | |
| 101 | |
| 102 } // namespace WebCore | |
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Chromium Code Reviews
Issue 26679003:
Move platform/graphics/chromium/* to platform/graphics/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master