コード例 #1
0
const SimpleFontData* FontCache::getFontDataForCharacters(const Font& font, const UChar* characters, int length)
{
    String family = getFontFamilyForCharacters(characters, length);

    if (family.isEmpty())
        return 0;

    AtomicString atomicFamily(family);
    return getCachedFontData(getCachedFontPlatformData(font.fontDescription(), atomicFamily, false));

}
コード例 #2
0
const SimpleFontData* FontCache::getFontDataForCharacters(const Font& font,
                                                          const UChar* characters,
                                                          int length)
{
    icu::Locale locale = icu::Locale::getDefault();
    String family = PlatformBridge::getFontFamilyForCharacters(characters, length, locale.getLanguage());
    if (family.isEmpty())
        return 0;

    AtomicString atomicFamily(family);
    return getCachedFontData(getCachedFontPlatformData(font.fontDescription(), atomicFamily, DoNotRetain));
}
コード例 #3
0
PassRefPtr<SimpleFontData> FontCache::getFontDataForCharacters(const Font& font, const UChar* characters, int length)
{
    icu::Locale locale = icu::Locale::getDefault();
    FontCache::SimpleFontFamily family;
    FontCache::getFontFamilyForCharacters(characters, length, locale.getLanguage(), font.fontDescription(), &family);
    if (family.name.isEmpty())
        return 0;

    AtomicString atomicFamily(family.name);
    // Changes weight and/or italic of given FontDescription depends on
    // the result of fontconfig so that keeping the correct font mapping
    // of the given characters. See http://crbug.com/32109 for details.
    bool shouldSetFakeBold = false;
    bool shouldSetFakeItalic = false;
    FontDescription description(font.fontDescription());
    if (family.isBold && description.weight() < FontWeightBold)
        description.setWeight(FontWeightBold);
    if (!family.isBold && description.weight() >= FontWeightBold) {
        shouldSetFakeBold = true;
        description.setWeight(FontWeightNormal);
    }
    if (family.isItalic && description.italic() == FontItalicOff)
        description.setItalic(FontItalicOn);
    if (!family.isItalic && description.italic() == FontItalicOn) {
        shouldSetFakeItalic = true;
        description.setItalic(FontItalicOff);
    }

    FontPlatformData* substitutePlatformData = getCachedFontPlatformData(description, atomicFamily, DoNotRetain);
    if (!substitutePlatformData)
        return 0;
    FontPlatformData platformData = FontPlatformData(*substitutePlatformData);
    platformData.setFakeBold(shouldSetFakeBold);
    platformData.setFakeItalic(shouldSetFakeItalic);
    return getCachedFontData(&platformData, DoNotRetain);
}