void gfxPlatformMac::GetCommonFallbackFonts()

in gfx/thebes/gfxPlatformMac.cpp [139:683]


void gfxPlatformMac::GetCommonFallbackFonts(uint32_t aCh, Script aRunScript,
                                            FontPresentation aPresentation,
                                            nsTArray<const char*>& aFontList) {
  if (PrefersColor(aPresentation)) {
    aFontList.AppendElement("Apple Color Emoji");
  }

  switch (aRunScript) {
    case Script::INVALID:
    case Script::NUM_SCRIPT_CODES:
      // Ensure the switch covers all the Script enum values.
      MOZ_ASSERT_UNREACHABLE("bad script code");
      break;

    case Script::COMMON:
    case Script::INHERITED:
      // In most cases, COMMON and INHERITED characters will be merged into
      // their context, but if they occur without any specific script context
      // we'll just try common default fonts here.
    case Script::LATIN:
    case Script::CYRILLIC:
    case Script::GREEK:
      aFontList.AppendElement("Lucida Grande");
      break;

    case Script::MATHEMATICAL_NOTATION:
    case Script::SYMBOLS:
    case Script::SYMBOLS_EMOJI:
      // Not currently returned by script run resolution (but see below, after
      // the switch).
      break;

    // CJK-related script codes are a bit troublesome because of unification;
    // we'll probably just get HAN much of the time, so the choice of which
    // language font to try for fallback is rather arbitrary. Usually, though,
    // we hope that font prefs will have handled this earlier.
    case Script::BOPOMOFO:
    case Script::HAN_WITH_BOPOMOFO:
    case Script::SIMPLIFIED_HAN:
    case Script::HAN:
      aFontList.AppendElement("Songti SC");
      if (aCh > 0x10000) {
        // macOS installations with MS Office may have these -ExtB fonts
        aFontList.AppendElement("SimSun-ExtB");
      }
      break;

    // Currently, we don't resolve script runs to this value, but we may do so
    // in future if we get better at handling things like `lang=zh-Hant`, not
    // just resolving based on the Unicode text.
    case Script::TRADITIONAL_HAN:
      aFontList.AppendElement("Songti TC");
      if (aCh > 0x10000) {
        // macOS installations with MS Office may have these -ExtB fonts
        aFontList.AppendElement("MingLiU-ExtB");
      }
      break;

    case Script::HIRAGANA:
    case Script::KATAKANA:
    case Script::KATAKANA_OR_HIRAGANA:
    case Script::JAPANESE:
      aFontList.AppendElement("Hiragino Sans");
      aFontList.AppendElement("Hiragino Kaku Gothic ProN");
      break;

    case Script::JAMO:
    case Script::KOREAN:
    case Script::HANGUL:
      aFontList.AppendElement("Nanum Gothic");
      aFontList.AppendElement("Apple SD Gothic Neo");
      break;

    // For most other scripts, macOS comes with a default font we can use.
    case Script::ARABIC:
      aFontList.AppendElement("Geeza Pro");
      break;
    case Script::ARMENIAN:
      aFontList.AppendElement("Mshtakan");
      break;
    case Script::BENGALI:
      aFontList.AppendElement("Bangla Sangam MN");
      break;
    case Script::CHEROKEE:
      aFontList.AppendElement("Plantagenet Cherokee");
      break;
    case Script::COPTIC:
      aFontList.AppendElement("Noto Sans Coptic");
      break;
    case Script::DESERET:
      aFontList.AppendElement("Baskerville");
      break;
    case Script::DEVANAGARI:
      aFontList.AppendElement("Devanagari Sangam MN");
      break;
    case Script::ETHIOPIC:
      aFontList.AppendElement("Kefa");
      break;
    case Script::GEORGIAN:
      aFontList.AppendElement("Helvetica");
      break;
    case Script::GOTHIC:
      aFontList.AppendElement("Noto Sans Gothic");
      break;
    case Script::GUJARATI:
      aFontList.AppendElement("Gujarati Sangam MN");
      break;
    case Script::GURMUKHI:
      aFontList.AppendElement("Gurmukhi MN");
      break;
    case Script::HEBREW:
      aFontList.AppendElement("Lucida Grande");
      break;
    case Script::KANNADA:
      aFontList.AppendElement("Kannada MN");
      break;
    case Script::KHMER:
      aFontList.AppendElement("Khmer MN");
      break;
    case Script::LAO:
      aFontList.AppendElement("Lao MN");
      break;
    case Script::MALAYALAM:
      aFontList.AppendElement("Malayalam Sangam MN");
      break;
    case Script::MONGOLIAN:
      aFontList.AppendElement("Noto Sans Mongolian");
      break;
    case Script::MYANMAR:
      aFontList.AppendElement("Myanmar MN");
      break;
    case Script::OGHAM:
      aFontList.AppendElement("Noto Sans Ogham");
      break;
    case Script::OLD_ITALIC:
      aFontList.AppendElement("Noto Sans Old Italic");
      break;
    case Script::ORIYA:
      aFontList.AppendElement("Oriya Sangam MN");
      break;
    case Script::RUNIC:
      aFontList.AppendElement("Noto Sans Runic");
      break;
    case Script::SINHALA:
      aFontList.AppendElement("Sinhala Sangam MN");
      break;
    case Script::SYRIAC:
      aFontList.AppendElement("Noto Sans Syriac");
      break;
    case Script::TAMIL:
      aFontList.AppendElement("Tamil MN");
      break;
    case Script::TELUGU:
      aFontList.AppendElement("Telugu MN");
      break;
    case Script::THAANA:
      aFontList.AppendElement("Noto Sans Thaana");
      break;
    case Script::THAI:
      aFontList.AppendElement("Thonburi");
      break;
    case Script::TIBETAN:
      aFontList.AppendElement("Kailasa");
      break;
    case Script::CANADIAN_ABORIGINAL:
      aFontList.AppendElement("Euphemia UCAS");
      break;
    case Script::YI:
      aFontList.AppendElement("Noto Sans Yi");
      aFontList.AppendElement("STHeiti");
      break;
    case Script::TAGALOG:
      aFontList.AppendElement("Noto Sans Tagalog");
      break;
    case Script::HANUNOO:
      aFontList.AppendElement("Noto Sans Hanunoo");
      break;
    case Script::BUHID:
      aFontList.AppendElement("Noto Sans Buhid");
      break;
    case Script::TAGBANWA:
      aFontList.AppendElement("Noto Sans Tagbanwa");
      break;
    case Script::BRAILLE:
      aFontList.AppendElement("Apple Braille");
      break;
    case Script::CYPRIOT:
      aFontList.AppendElement("Noto Sans Cypriot");
      break;
    case Script::LIMBU:
      aFontList.AppendElement("Noto Sans Limbu");
      break;
    case Script::LINEAR_B:
      aFontList.AppendElement("Noto Sans Linear B");
      break;
    case Script::OSMANYA:
      aFontList.AppendElement("Noto Sans Osmanya");
      break;
    case Script::SHAVIAN:
      aFontList.AppendElement("Noto Sans Shavian");
      break;
    case Script::TAI_LE:
      aFontList.AppendElement("Noto Sans Tai Le");
      break;
    case Script::UGARITIC:
      aFontList.AppendElement("Noto Sans Ugaritic");
      break;
    case Script::BUGINESE:
      aFontList.AppendElement("Noto Sans Buginese");
      break;
    case Script::GLAGOLITIC:
      aFontList.AppendElement("Noto Sans Glagolitic");
      break;
    case Script::KHAROSHTHI:
      aFontList.AppendElement("Noto Sans Kharoshthi");
      break;
    case Script::SYLOTI_NAGRI:
      aFontList.AppendElement("Noto Sans Syloti Nagri");
      break;
    case Script::NEW_TAI_LUE:
      aFontList.AppendElement("Noto Sans New Tai Lue");
      break;
    case Script::TIFINAGH:
      aFontList.AppendElement("Noto Sans Tifinagh");
      break;
    case Script::OLD_PERSIAN:
      aFontList.AppendElement("Noto Sans Old Persian");
      break;
    case Script::BALINESE:
      aFontList.AppendElement("Noto Sans Balinese");
      break;
    case Script::BATAK:
      aFontList.AppendElement("Noto Sans Batak");
      break;
    case Script::BRAHMI:
      aFontList.AppendElement("Noto Sans Brahmi");
      break;
    case Script::CHAM:
      aFontList.AppendElement("Noto Sans Cham");
      break;
    case Script::EGYPTIAN_HIEROGLYPHS:
      aFontList.AppendElement("Noto Sans Egyptian Hieroglyphs");
      break;
    case Script::PAHAWH_HMONG:
      aFontList.AppendElement("Noto Sans Pahawh Hmong");
      break;
    case Script::OLD_HUNGARIAN:
      aFontList.AppendElement("Noto Sans Old Hungarian");
      break;
    case Script::JAVANESE:
      aFontList.AppendElement("Noto Sans Javanese");
      break;
    case Script::KAYAH_LI:
      aFontList.AppendElement("Noto Sans Kayah Li");
      break;
    case Script::LEPCHA:
      aFontList.AppendElement("Noto Sans Lepcha");
      break;
    case Script::LINEAR_A:
      aFontList.AppendElement("Noto Sans Linear A");
      break;
    case Script::MANDAIC:
      aFontList.AppendElement("Noto Sans Mandaic");
      break;
    case Script::NKO:
      aFontList.AppendElement("Noto Sans NKo");
      break;
    case Script::OLD_TURKIC:
      aFontList.AppendElement("Noto Sans Old Turkic");
      break;
    case Script::OLD_PERMIC:
      aFontList.AppendElement("Noto Sans Old Permic");
      break;
    case Script::PHAGS_PA:
      aFontList.AppendElement("Noto Sans PhagsPa");
      break;
    case Script::PHOENICIAN:
      aFontList.AppendElement("Noto Sans Phoenician");
      break;
    case Script::MIAO:
      aFontList.AppendElement("Noto Sans Miao");
      break;
    case Script::VAI:
      aFontList.AppendElement("Noto Sans Vai");
      break;
    case Script::CUNEIFORM:
      aFontList.AppendElement("Noto Sans Cuneiform");
      break;
    case Script::CARIAN:
      aFontList.AppendElement("Noto Sans Carian");
      break;
    case Script::TAI_THAM:
      aFontList.AppendElement("Noto Sans Tai Tham");
      break;
    case Script::LYCIAN:
      aFontList.AppendElement("Noto Sans Lycian");
      break;
    case Script::LYDIAN:
      aFontList.AppendElement("Noto Sans Lydian");
      break;
    case Script::OL_CHIKI:
      aFontList.AppendElement("Noto Sans Ol Chiki");
      break;
    case Script::REJANG:
      aFontList.AppendElement("Noto Sans Rejang");
      break;
    case Script::SAURASHTRA:
      aFontList.AppendElement("Noto Sans Saurashtra");
      break;
    case Script::SUNDANESE:
      aFontList.AppendElement("Noto Sans Sundanese");
      break;
    case Script::MEETEI_MAYEK:
      aFontList.AppendElement("Noto Sans Meetei Mayek");
      break;
    case Script::IMPERIAL_ARAMAIC:
      aFontList.AppendElement("Noto Sans Imperial Aramaic");
      break;
    case Script::AVESTAN:
      aFontList.AppendElement("Noto Sans Avestan");
      break;
    case Script::CHAKMA:
      aFontList.AppendElement("Noto Sans Chakma");
      break;
    case Script::KAITHI:
      aFontList.AppendElement("Noto Sans Kaithi");
      break;
    case Script::MANICHAEAN:
      aFontList.AppendElement("Noto Sans Manichaean");
      break;
    case Script::INSCRIPTIONAL_PAHLAVI:
      aFontList.AppendElement("Noto Sans Inscriptional Pahlavi");
      break;
    case Script::PSALTER_PAHLAVI:
      aFontList.AppendElement("Noto Sans Psalter Pahlavi");
      break;
    case Script::INSCRIPTIONAL_PARTHIAN:
      aFontList.AppendElement("Noto Sans Inscriptional Parthian");
      break;
    case Script::SAMARITAN:
      aFontList.AppendElement("Noto Sans Samaritan");
      break;
    case Script::TAI_VIET:
      aFontList.AppendElement("Noto Sans Tai Viet");
      break;
    case Script::BAMUM:
      aFontList.AppendElement("Noto Sans Bamum");
      break;
    case Script::LISU:
      aFontList.AppendElement("Noto Sans Lisu");
      break;
    case Script::OLD_SOUTH_ARABIAN:
      aFontList.AppendElement("Noto Sans Old South Arabian");
      break;
    case Script::BASSA_VAH:
      aFontList.AppendElement("Noto Sans Bassa Vah");
      break;
    case Script::DUPLOYAN:
      aFontList.AppendElement("Noto Sans Duployan");
      break;
    case Script::ELBASAN:
      aFontList.AppendElement("Noto Sans Elbasan");
      break;
    case Script::GRANTHA:
      aFontList.AppendElement("Noto Sans Grantha");
      break;
    case Script::MENDE_KIKAKUI:
      aFontList.AppendElement("Noto Sans Mende Kikakui");
      break;
    case Script::MEROITIC_CURSIVE:
    case Script::MEROITIC_HIEROGLYPHS:
      aFontList.AppendElement("Noto Sans Meroitic");
      break;
    case Script::OLD_NORTH_ARABIAN:
      aFontList.AppendElement("Noto Sans Old North Arabian");
      break;
    case Script::NABATAEAN:
      aFontList.AppendElement("Noto Sans Nabataean");
      break;
    case Script::PALMYRENE:
      aFontList.AppendElement("Noto Sans Palmyrene");
      break;
    case Script::KHUDAWADI:
      aFontList.AppendElement("Noto Sans Khudawadi");
      break;
    case Script::WARANG_CITI:
      aFontList.AppendElement("Noto Sans Warang Citi");
      break;
    case Script::MRO:
      aFontList.AppendElement("Noto Sans Mro");
      break;
    case Script::SHARADA:
      aFontList.AppendElement("Noto Sans Sharada");
      break;
    case Script::SORA_SOMPENG:
      aFontList.AppendElement("Noto Sans Sora Sompeng");
      break;
    case Script::TAKRI:
      aFontList.AppendElement("Noto Sans Takri");
      break;
    case Script::KHOJKI:
      aFontList.AppendElement("Noto Sans Khojki");
      break;
    case Script::TIRHUTA:
      aFontList.AppendElement("Noto Sans Tirhuta");
      break;
    case Script::CAUCASIAN_ALBANIAN:
      aFontList.AppendElement("Noto Sans Caucasian Albanian");
      break;
    case Script::MAHAJANI:
      aFontList.AppendElement("Noto Sans Mahajani");
      break;
    case Script::AHOM:
      aFontList.AppendElement("Noto Serif Ahom");
      break;
    case Script::HATRAN:
      aFontList.AppendElement("Noto Sans Hatran");
      break;
    case Script::MODI:
      aFontList.AppendElement("Noto Sans Modi");
      break;
    case Script::MULTANI:
      aFontList.AppendElement("Noto Sans Multani");
      break;
    case Script::PAU_CIN_HAU:
      aFontList.AppendElement("Noto Sans Pau Cin Hau");
      break;
    case Script::SIDDHAM:
      aFontList.AppendElement("Noto Sans Siddham");
      break;
    case Script::ADLAM:
      aFontList.AppendElement("Noto Sans Adlam");
      break;
    case Script::BHAIKSUKI:
      aFontList.AppendElement("Noto Sans Bhaiksuki");
      break;
    case Script::MARCHEN:
      aFontList.AppendElement("Noto Sans Marchen");
      break;
    case Script::NEWA:
      aFontList.AppendElement("Noto Sans Newa");
      break;
    case Script::OSAGE:
      aFontList.AppendElement("Noto Sans Osage");
      break;
    case Script::HANIFI_ROHINGYA:
      aFontList.AppendElement("Noto Sans Hanifi Rohingya");
      break;
    case Script::WANCHO:
      aFontList.AppendElement("Noto Sans Wancho");
      break;
    case Script::ARABIC_NASTALIQ:
      aFontList.AppendElement("Noto Nastaliq Urdu");
      break;

    // Script codes for which no commonly-installed font is currently known.
    // Probably future macOS versions will add Noto fonts for many of these,
    // so we should watch for updates.
    case Script::OLD_CHURCH_SLAVONIC_CYRILLIC:
    case Script::DEMOTIC_EGYPTIAN:
    case Script::HIERATIC_EGYPTIAN:
    case Script::BLISSYMBOLS:
    case Script::CIRTH:
    case Script::KHUTSURI:
    case Script::HARAPPAN_INDUS:
    case Script::LATIN_FRAKTUR:
    case Script::LATIN_GAELIC:
    case Script::MAYAN_HIEROGLYPHS:
    case Script::RONGORONGO:
    case Script::SARATI:
    case Script::ESTRANGELO_SYRIAC:
    case Script::WESTERN_SYRIAC:
    case Script::EASTERN_SYRIAC:
    case Script::TENGWAR:
    case Script::VISIBLE_SPEECH:
    case Script::UNWRITTEN_LANGUAGES:
    case Script::UNKNOWN:
    case Script::SIGNWRITING:
    case Script::MOON:
    case Script::BOOK_PAHLAVI:
    case Script::NAKHI_GEBA:
    case Script::KPELLE:
    case Script::LOMA:
    case Script::AFAKA:
    case Script::JURCHEN:
    case Script::NUSHU:
    case Script::TANGUT:
    case Script::WOLEAI:
    case Script::ANATOLIAN_HIEROGLYPHS:
    case Script::MASARAM_GONDI:
    case Script::SOYOMBO:
    case Script::ZANABAZAR_SQUARE:
    case Script::DOGRA:
    case Script::GUNJALA_GONDI:
    case Script::MAKASAR:
    case Script::MEDEFAIDRIN:
    case Script::SOGDIAN:
    case Script::OLD_SOGDIAN:
    case Script::ELYMAIC:
    case Script::NYIAKENG_PUACHUE_HMONG:
    case Script::NANDINAGARI:
    case Script::CHORASMIAN:
    case Script::DIVES_AKURU:
    case Script::KHITAN_SMALL_SCRIPT:
    case Script::YEZIDI:
    case Script::CYPRO_MINOAN:
    case Script::OLD_UYGHUR:
    case Script::TANGSA:
    case Script::TOTO:
    case Script::VITHKUQI:
    case Script::KAWI:
    case Script::NAG_MUNDARI:
    case Script::GARAY:
    case Script::GURUNG_KHEMA:
    case Script::KIRAT_RAI:
    case Script::OL_ONAL:
    case Script::SUNUWAR:
    case Script::TODHRI:
    case Script::TULU_TIGALARI:
      break;
  }

  // Symbols/dingbats are generally Script=COMMON but may be resolved to any
  // surrounding script run. So we'll always append a couple of likely fonts
  // for such characters.
  const uint32_t b = aCh >> 8;
  if (aRunScript == Script::COMMON ||  // Stray COMMON chars not resolved
      (b >= 0x20 && b <= 0x2b) || b == 0x2e ||  // BMP symbols/punctuation/etc
      GetGenCategory(aCh) == nsUGenCategory::kSymbol ||
      GetGenCategory(aCh) == nsUGenCategory::kPunctuation) {
    if (b == 0x27) {
      aFontList.AppendElement("Zapf Dingbats");
    }
    aFontList.AppendElement("Geneva");
    aFontList.AppendElement("STIXGeneral");
    aFontList.AppendElement("Apple Symbols");
    // Japanese fonts also cover a lot of miscellaneous symbols
    aFontList.AppendElement("Hiragino Sans");
    aFontList.AppendElement("Hiragino Kaku Gothic ProN");
  }

  // Arial Unicode MS has lots of glyphs for obscure characters; try it as a
  // last resort.
  aFontList.AppendElement("Arial Unicode MS");
}