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Bug 1928012 - Modernize implementation of GetCommonFallbackFonts for Windows. r=jwatt
Mapping fallback fonts based on script code rather than hard-coded blocks of Unicode codepoints is much more readable and maintainable. We should periodically review what fonts Windows is shipping, and add entries for new scripts as they become available. (Note that it is not necessary for a font to be listed here in order to be used; global fallback will still find it, if available. The mappings here just provide a fast-path that tries to avoid the cost of a global search.) Differential Revision: https://phabricator.services.mozilla.com/D227660
This commit is contained in:
Jonathan Kew
parent
ce366ee3b5
commit
b89d941ff8
@ -628,244 +628,505 @@ already_AddRefed<gfxASurface> gfxWindowsPlatform::CreateOffscreenSurface(
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return surf.forget();
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}
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static const char kFontAparajita[] = "Aparajita";
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static const char kFontArabicTypesetting[] = "Arabic Typesetting";
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static const char kFontArial[] = "Arial";
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static const char kFontArialUnicodeMS[] = "Arial Unicode MS";
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static const char kFontCambria[] = "Cambria";
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static const char kFontCambriaMath[] = "Cambria Math";
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static const char kFontEbrima[] = "Ebrima";
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static const char kFontEstrangeloEdessa[] = "Estrangelo Edessa";
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static const char kFontEuphemia[] = "Euphemia";
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static const char kFontGabriola[] = "Gabriola";
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static const char kFontJavaneseText[] = "Javanese Text";
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static const char kFontKhmerUI[] = "Khmer UI";
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static const char kFontLaoUI[] = "Lao UI";
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static const char kFontLeelawadeeUI[] = "Leelawadee UI";
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static const char kFontLucidaSansUnicode[] = "Lucida Sans Unicode";
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static const char kFontMVBoli[] = "MV Boli";
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static const char kFontMalgunGothic[] = "Malgun Gothic";
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static const char kFontMicrosoftJhengHei[] = "Microsoft JhengHei";
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static const char kFontMicrosoftNewTaiLue[] = "Microsoft New Tai Lue";
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static const char kFontMicrosoftPhagsPa[] = "Microsoft PhagsPa";
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static const char kFontMicrosoftTaiLe[] = "Microsoft Tai Le";
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static const char kFontMicrosoftUighur[] = "Microsoft Uighur";
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static const char kFontMicrosoftYaHei[] = "Microsoft YaHei";
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static const char kFontMicrosoftYiBaiti[] = "Microsoft Yi Baiti";
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static const char kFontMeiryo[] = "Meiryo";
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static const char kFontMongolianBaiti[] = "Mongolian Baiti";
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static const char kFontMyanmarText[] = "Myanmar Text";
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static const char kFontNirmalaUI[] = "Nirmala UI";
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static const char kFontNyala[] = "Nyala";
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static const char kFontPlantagenetCherokee[] = "Plantagenet Cherokee";
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static const char kFontSegoeUI[] = "Segoe UI";
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static const char kFontSegoeUIEmoji[] = "Segoe UI Emoji";
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static const char kFontSegoeUISymbol[] = "Segoe UI Symbol";
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static const char kFontSylfaen[] = "Sylfaen";
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static const char kFontTraditionalArabic[] = "Traditional Arabic";
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static const char kFontTwemojiMozilla[] = "Twemoji Mozilla";
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static const char kFontUtsaah[] = "Utsaah";
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static const char kFontYuGothic[] = "Yu Gothic";
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void gfxWindowsPlatform::GetCommonFallbackFonts(
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uint32_t aCh, Script aRunScript, eFontPresentation aPresentation,
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nsTArray<const char*>& aFontList) {
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if (PrefersColor(aPresentation)) {
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aFontList.AppendElement(kFontSegoeUIEmoji);
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aFontList.AppendElement(kFontTwemojiMozilla);
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aFontList.AppendElement("Segoe UI Emoji");
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aFontList.AppendElement("Twemoji Mozilla");
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}
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// Arial is used as the default fallback for system fallback
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aFontList.AppendElement(kFontArial);
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switch (aRunScript) {
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case Script::INVALID:
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case Script::NUM_SCRIPT_CODES:
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// Ensure the switch covers all the Script enum values.
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MOZ_ASSERT_UNREACHABLE("bad script code");
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break;
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if (!IS_IN_BMP(aCh)) {
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uint32_t p = aCh >> 16;
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if (p == 1) { // SMP plane
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aFontList.AppendElement(kFontSegoeUISymbol);
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aFontList.AppendElement(kFontEbrima);
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aFontList.AppendElement(kFontNirmalaUI);
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aFontList.AppendElement(kFontCambriaMath);
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}
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} else {
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uint32_t b = (aCh >> 8) & 0xff;
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case Script::COMMON:
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case Script::INHERITED:
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// In most cases, COMMON and INHERITED characters will be merged into
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// their context, but if they occur without context, we'll just treat
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// them like Latin, etc.
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case Script::LATIN:
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case Script::CYRILLIC:
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case Script::GREEK:
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case Script::ARMENIAN:
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case Script::HEBREW:
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// We always append Arial below, so no need to add it here.
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// aFontList.AppendElement("Arial");
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break;
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switch (b) {
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case 0x05:
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aFontList.AppendElement(kFontEstrangeloEdessa);
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aFontList.AppendElement(kFontCambria);
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break;
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case 0x06:
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aFontList.AppendElement(kFontMicrosoftUighur);
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break;
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case 0x07:
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aFontList.AppendElement(kFontEstrangeloEdessa);
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aFontList.AppendElement(kFontMVBoli);
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aFontList.AppendElement(kFontEbrima);
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break;
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case 0x09:
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aFontList.AppendElement(kFontNirmalaUI);
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aFontList.AppendElement(kFontUtsaah);
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aFontList.AppendElement(kFontAparajita);
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break;
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case 0x0a:
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case 0x0b:
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case 0x0c:
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case 0x0d:
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aFontList.AppendElement(kFontNirmalaUI);
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break;
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case 0x0e:
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aFontList.AppendElement(kFontLaoUI);
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aFontList.AppendElement(kFontLeelawadeeUI);
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break;
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case 0x10:
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aFontList.AppendElement(kFontMyanmarText);
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break;
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case 0x11:
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aFontList.AppendElement(kFontMalgunGothic);
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break;
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case 0x12:
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case 0x13:
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aFontList.AppendElement(kFontNyala);
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aFontList.AppendElement(kFontPlantagenetCherokee);
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break;
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case 0x14:
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case 0x15:
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case 0x16:
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aFontList.AppendElement(kFontEuphemia);
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aFontList.AppendElement(kFontSegoeUISymbol);
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break;
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case 0x17:
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aFontList.AppendElement(kFontKhmerUI);
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aFontList.AppendElement(kFontLeelawadeeUI);
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break;
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case 0x18: // Mongolian
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aFontList.AppendElement(kFontMongolianBaiti);
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aFontList.AppendElement(kFontEuphemia);
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break;
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case 0x19:
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aFontList.AppendElement(kFontMicrosoftTaiLe);
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aFontList.AppendElement(kFontMicrosoftNewTaiLue);
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aFontList.AppendElement(kFontKhmerUI);
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aFontList.AppendElement(kFontLeelawadeeUI);
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break;
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case 0x1a:
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aFontList.AppendElement(kFontLeelawadeeUI);
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break;
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case 0x1c:
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aFontList.AppendElement(kFontNirmalaUI);
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break;
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case 0x20: // Symbol ranges
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case 0x21:
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case 0x22:
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case 0x23:
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case 0x24:
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case 0x25:
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case 0x26:
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case 0x27:
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case 0x29:
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case 0x2a:
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case 0x2b:
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case 0x2c:
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aFontList.AppendElement(kFontSegoeUI);
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aFontList.AppendElement(kFontSegoeUISymbol);
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aFontList.AppendElement(kFontCambria);
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aFontList.AppendElement(kFontMeiryo);
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aFontList.AppendElement(kFontArial);
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aFontList.AppendElement(kFontLucidaSansUnicode);
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aFontList.AppendElement(kFontEbrima);
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break;
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case 0x2d:
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case 0x2e:
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case 0x2f:
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aFontList.AppendElement(kFontEbrima);
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aFontList.AppendElement(kFontNyala);
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aFontList.AppendElement(kFontSegoeUI);
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aFontList.AppendElement(kFontSegoeUISymbol);
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aFontList.AppendElement(kFontMeiryo);
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break;
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case 0x28: // Braille
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aFontList.AppendElement(kFontSegoeUISymbol);
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break;
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case 0x30:
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case 0x31:
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aFontList.AppendElement(kFontMicrosoftYaHei);
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break;
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case 0x32:
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aFontList.AppendElement(kFontMalgunGothic);
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break;
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case 0x4d:
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aFontList.AppendElement(kFontSegoeUISymbol);
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break;
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case 0x9f:
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aFontList.AppendElement(kFontMicrosoftYaHei);
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aFontList.AppendElement(kFontYuGothic);
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break;
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case 0xa0: // Yi
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case 0xa1:
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case 0xa2:
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case 0xa3:
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case 0xa4:
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aFontList.AppendElement(kFontMicrosoftYiBaiti);
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aFontList.AppendElement(kFontSegoeUI);
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break;
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case 0xa5:
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case 0xa6:
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case 0xa7:
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aFontList.AppendElement(kFontEbrima);
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aFontList.AppendElement(kFontSegoeUI);
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aFontList.AppendElement(kFontCambriaMath);
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break;
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case 0xa8:
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aFontList.AppendElement(kFontMicrosoftPhagsPa);
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aFontList.AppendElement(kFontNirmalaUI);
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break;
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case 0xa9:
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aFontList.AppendElement(kFontMalgunGothic);
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aFontList.AppendElement(kFontJavaneseText);
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aFontList.AppendElement(kFontLeelawadeeUI);
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break;
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case 0xaa:
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aFontList.AppendElement(kFontMyanmarText);
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break;
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case 0xab:
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aFontList.AppendElement(kFontEbrima);
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aFontList.AppendElement(kFontNyala);
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break;
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case 0xd7:
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aFontList.AppendElement(kFontMalgunGothic);
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break;
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case 0xfb:
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aFontList.AppendElement(kFontMicrosoftUighur);
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aFontList.AppendElement(kFontGabriola);
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aFontList.AppendElement(kFontSylfaen);
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break;
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case 0xfc:
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case 0xfd:
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aFontList.AppendElement(kFontTraditionalArabic);
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aFontList.AppendElement(kFontArabicTypesetting);
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break;
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case 0xfe:
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aFontList.AppendElement(kFontTraditionalArabic);
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aFontList.AppendElement(kFontMicrosoftJhengHei);
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break;
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case 0xff:
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aFontList.AppendElement(kFontMicrosoftJhengHei);
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break;
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default:
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break;
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}
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case Script::MATHEMATICAL_NOTATION:
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case Script::SYMBOLS:
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case Script::SYMBOLS_EMOJI:
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// Not currently returned by script run resolution (but some symbols may
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// be handled below).
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break;
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// CJK-related script codes are a bit troublesome because of unification;
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// we'll probably just get HAN much of the time, so the choice of which
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// language font to try for fallback is rather arbitrary. Usually, though,
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// we hope that font prefs will have handled this earlier.
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case Script::BOPOMOFO:
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case Script::HAN_WITH_BOPOMOFO:
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case Script::SIMPLIFIED_HAN:
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case Script::HAN:
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aFontList.AppendElement("SimSun");
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if (aCh > 0xFFFF) {
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aFontList.AppendElement("SimSun-ExtB");
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}
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break;
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// Currently, we don't resolve script runs to this value, but we may do so
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// in future if we get better at handling things like `lang=zh-Hant`, not
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// just resolving based on the Unicode text.
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case Script::TRADITIONAL_HAN:
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aFontList.AppendElement("MingLiU");
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if (aCh > 0xFFFF) {
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aFontList.AppendElement("MingLiU-ExtB");
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}
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break;
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case Script::HIRAGANA:
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case Script::KATAKANA:
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case Script::KATAKANA_OR_HIRAGANA:
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case Script::JAPANESE:
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aFontList.AppendElement("Yu Gothic");
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aFontList.AppendElement("MS PGothic");
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break;
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case Script::HANGUL:
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case Script::JAMO:
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case Script::KOREAN:
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aFontList.AppendElement("Malgun Gothic");
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break;
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case Script::YI:
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aFontList.AppendElement("Microsoft Yi Baiti");
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break;
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case Script::MONGOLIAN:
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aFontList.AppendElement("Mongolian Baiti");
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break;
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case Script::TIBETAN:
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aFontList.AppendElement("Microsoft Himalaya");
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break;
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case Script::PHAGS_PA:
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aFontList.AppendElement("Microsoft PhagsPa");
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break;
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case Script::ARABIC:
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aFontList.AppendElement("Traditional Arabic");
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aFontList.AppendElement("Arabic Typesetting");
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break;
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case Script::ARABIC_NASTALIQ:
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aFontList.AppendElement("Urdu Typesetting");
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break;
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case Script::SYRIAC:
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case Script::ESTRANGELO_SYRIAC:
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aFontList.AppendElement("Estrangelo Edessa");
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break;
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case Script::THAANA:
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aFontList.AppendElement("MV Boli");
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break;
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case Script::BENGALI:
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aFontList.AppendElement("Vrinda");
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aFontList.AppendElement("Nirmala UI");
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break;
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case Script::DEVANAGARI:
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aFontList.AppendElement("Kokila");
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aFontList.AppendElement("Nirmala UI");
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break;
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case Script::GUJARATI:
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aFontList.AppendElement("Shruti");
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aFontList.AppendElement("Nirmala UI");
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break;
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case Script::GURMUKHI:
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aFontList.AppendElement("Raavi");
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aFontList.AppendElement("Nirmala UI");
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break;
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case Script::KANNADA:
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aFontList.AppendElement("Tunga");
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aFontList.AppendElement("Nirmala UI");
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break;
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case Script::MALAYALAM:
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aFontList.AppendElement("Kartika");
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aFontList.AppendElement("Nirmala UI");
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break;
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case Script::ORIYA:
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aFontList.AppendElement("Kalinga");
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aFontList.AppendElement("Nirmala UI");
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break;
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case Script::TAMIL:
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aFontList.AppendElement("Latha");
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aFontList.AppendElement("Nirmala UI");
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break;
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case Script::TELUGU:
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aFontList.AppendElement("Gautami");
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aFontList.AppendElement("Nirmala UI");
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break;
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case Script::SINHALA:
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aFontList.AppendElement("Iskoola Pota");
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aFontList.AppendElement("Nirmala UI");
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break;
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case Script::CHAKMA:
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case Script::MEETEI_MAYEK:
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case Script::OL_CHIKI:
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case Script::SORA_SOMPENG:
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aFontList.AppendElement("Nirmala UI");
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break;
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case Script::MYANMAR:
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aFontList.AppendElement("Myanmar Text");
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break;
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case Script::KHMER:
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aFontList.AppendElement("Khmer UI");
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break;
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case Script::LAO:
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aFontList.AppendElement("Lao UI");
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break;
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case Script::THAI:
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aFontList.AppendElement("Tahoma");
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aFontList.AppendElement("Leelawadee UI");
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break;
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case Script::TAI_LE:
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aFontList.AppendElement("Microsoft Tai Le");
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break;
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case Script::BUGINESE:
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aFontList.AppendElement("Leelawadee UI");
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break;
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case Script::NEW_TAI_LUE:
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aFontList.AppendElement("Microsoft New Tai Lue");
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break;
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case Script::JAVANESE:
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aFontList.AppendElement("Javanese Text");
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break;
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case Script::GEORGIAN:
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case Script::KHUTSURI:
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case Script::LISU:
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aFontList.AppendElement("Segoe UI");
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break;
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case Script::ETHIOPIC:
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aFontList.AppendElement("Nyala");
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aFontList.AppendElement("Ebrima");
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break;
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case Script::ADLAM:
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case Script::NKO:
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case Script::OSMANYA:
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case Script::TIFINAGH:
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case Script::VAI:
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aFontList.AppendElement("Ebrima");
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break;
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case Script::CANADIAN_ABORIGINAL:
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aFontList.AppendElement("Euphemia");
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break;
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case Script::CHEROKEE:
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case Script::OSAGE:
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aFontList.AppendElement("Gadugi");
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break;
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case Script::BRAILLE:
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case Script::DESERET:
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aFontList.AppendElement("Segoe UI Symbol");
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break;
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case Script::BRAHMI:
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case Script::CARIAN:
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case Script::CUNEIFORM:
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case Script::CYPRIOT:
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case Script::EGYPTIAN_HIEROGLYPHS:
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case Script::GLAGOLITIC:
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case Script::GOTHIC:
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case Script::IMPERIAL_ARAMAIC:
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case Script::INSCRIPTIONAL_PAHLAVI:
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case Script::INSCRIPTIONAL_PARTHIAN:
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case Script::KHAROSHTHI:
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case Script::LYCIAN:
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case Script::LYDIAN:
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case Script::MEROITIC_CURSIVE:
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case Script::OGHAM:
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case Script::OLD_ITALIC:
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case Script::OLD_PERSIAN:
|
||||
case Script::OLD_SOUTH_ARABIAN:
|
||||
case Script::OLD_TURKIC:
|
||||
case Script::PHOENICIAN:
|
||||
case Script::RUNIC:
|
||||
case Script::SHAVIAN:
|
||||
case Script::UGARITIC:
|
||||
aFontList.AppendElement("Segoe UI Historic");
|
||||
break;
|
||||
|
||||
// For some scripts where Windows doesn't supply a font by default,
|
||||
// there are Noto fonts that users might have installed:
|
||||
case Script::AHOM:
|
||||
aFontList.AppendElement("Noto Serif Ahom");
|
||||
break;
|
||||
case Script::AVESTAN:
|
||||
aFontList.AppendElement("Noto Sans Avestan");
|
||||
break;
|
||||
case Script::BALINESE:
|
||||
aFontList.AppendElement("Noto Sans Balinese");
|
||||
break;
|
||||
case Script::BAMUM:
|
||||
aFontList.AppendElement("Noto Sans Bamum");
|
||||
break;
|
||||
case Script::BASSA_VAH:
|
||||
aFontList.AppendElement("Noto Sans Bassa Vah");
|
||||
break;
|
||||
case Script::BATAK:
|
||||
aFontList.AppendElement("Noto Sans Batak");
|
||||
break;
|
||||
case Script::BHAIKSUKI:
|
||||
aFontList.AppendElement("Noto Sans Bhaiksuki");
|
||||
break;
|
||||
case Script::BUHID:
|
||||
aFontList.AppendElement("Noto Sans Buhid");
|
||||
break;
|
||||
case Script::CAUCASIAN_ALBANIAN:
|
||||
aFontList.AppendElement("Noto Sans Caucasian Albanian");
|
||||
break;
|
||||
case Script::CHAM:
|
||||
aFontList.AppendElement("Noto Sans Cham");
|
||||
break;
|
||||
case Script::COPTIC:
|
||||
aFontList.AppendElement("Noto Sans Coptic");
|
||||
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::HANIFI_ROHINGYA:
|
||||
aFontList.AppendElement("Noto Sans Hanifi Rohingya");
|
||||
break;
|
||||
case Script::HANUNOO:
|
||||
aFontList.AppendElement("Noto Sans Hanunoo");
|
||||
break;
|
||||
case Script::HATRAN:
|
||||
aFontList.AppendElement("Noto Sans Hatran");
|
||||
break;
|
||||
case Script::KAITHI:
|
||||
aFontList.AppendElement("Noto Sans Kaithi");
|
||||
break;
|
||||
case Script::KAYAH_LI:
|
||||
aFontList.AppendElement("Noto Sans Kayah Li");
|
||||
break;
|
||||
case Script::KHOJKI:
|
||||
aFontList.AppendElement("Noto Sans Khojki");
|
||||
break;
|
||||
case Script::KHUDAWADI:
|
||||
aFontList.AppendElement("Noto Sans Khudawadi");
|
||||
break;
|
||||
case Script::LEPCHA:
|
||||
aFontList.AppendElement("Noto Sans Lepcha");
|
||||
break;
|
||||
case Script::LIMBU:
|
||||
aFontList.AppendElement("Noto Sans Limbu");
|
||||
break;
|
||||
case Script::LINEAR_A:
|
||||
aFontList.AppendElement("Noto Sans Linear A");
|
||||
break;
|
||||
case Script::LINEAR_B:
|
||||
aFontList.AppendElement("Noto Sans Linear B");
|
||||
break;
|
||||
case Script::MAHAJANI:
|
||||
aFontList.AppendElement("Noto Sans Mahajani");
|
||||
break;
|
||||
case Script::MANDAIC:
|
||||
aFontList.AppendElement("Noto Sans Mandaic");
|
||||
break;
|
||||
case Script::MANICHAEAN:
|
||||
aFontList.AppendElement("Noto Sans Manichaean");
|
||||
break;
|
||||
case Script::MARCHEN:
|
||||
aFontList.AppendElement("Noto Sans Marchen");
|
||||
break;
|
||||
case Script::MENDE_KIKAKUI:
|
||||
aFontList.AppendElement("Noto Sans Mende Kikakui");
|
||||
break;
|
||||
case Script::MEROITIC_HIEROGLYPHS:
|
||||
aFontList.AppendElement("Noto Sans Meroitic");
|
||||
break;
|
||||
case Script::MIAO:
|
||||
aFontList.AppendElement("Noto Sans Miao");
|
||||
break;
|
||||
case Script::MODI:
|
||||
aFontList.AppendElement("Noto Sans Modi");
|
||||
break;
|
||||
case Script::MRO:
|
||||
aFontList.AppendElement("Noto Sans Mro");
|
||||
break;
|
||||
case Script::MULTANI:
|
||||
aFontList.AppendElement("Noto Sans Multani");
|
||||
break;
|
||||
case Script::NABATAEAN:
|
||||
aFontList.AppendElement("Noto Sans Nabataean");
|
||||
break;
|
||||
case Script::NEWA:
|
||||
aFontList.AppendElement("Noto Sans Newa");
|
||||
break;
|
||||
case Script::OLD_HUNGARIAN:
|
||||
aFontList.AppendElement("Noto Sans Old Hungarian");
|
||||
break;
|
||||
case Script::OLD_NORTH_ARABIAN:
|
||||
aFontList.AppendElement("Noto Sans Old North Arabian");
|
||||
break;
|
||||
case Script::OLD_PERMIC:
|
||||
aFontList.AppendElement("Noto Sans Old Permic");
|
||||
break;
|
||||
case Script::PAHAWH_HMONG:
|
||||
aFontList.AppendElement("Noto Sans Pahawh Hmong");
|
||||
break;
|
||||
case Script::PALMYRENE:
|
||||
aFontList.AppendElement("Noto Sans Palmyrene");
|
||||
break;
|
||||
case Script::PAU_CIN_HAU:
|
||||
aFontList.AppendElement("Noto Sans Pau Cin Hau");
|
||||
break;
|
||||
case Script::PSALTER_PAHLAVI:
|
||||
aFontList.AppendElement("Noto Sans Psalter Pahlavi");
|
||||
break;
|
||||
case Script::REJANG:
|
||||
aFontList.AppendElement("Noto Sans Rejang");
|
||||
break;
|
||||
case Script::SAMARITAN:
|
||||
aFontList.AppendElement("Noto Sans Samaritan");
|
||||
break;
|
||||
case Script::SAURASHTRA:
|
||||
aFontList.AppendElement("Noto Sans Saurashtra");
|
||||
break;
|
||||
case Script::SHARADA:
|
||||
aFontList.AppendElement("Noto Sans Sharada");
|
||||
break;
|
||||
case Script::SIDDHAM:
|
||||
aFontList.AppendElement("Noto Sans Siddham");
|
||||
break;
|
||||
case Script::SUNDANESE:
|
||||
aFontList.AppendElement("Noto Sans Sundanese");
|
||||
break;
|
||||
case Script::SYLOTI_NAGRI:
|
||||
aFontList.AppendElement("Noto Sans Syloti Nagri");
|
||||
break;
|
||||
case Script::TAGALOG:
|
||||
aFontList.AppendElement("Noto Sans Tagalog");
|
||||
break;
|
||||
case Script::TAGBANWA:
|
||||
aFontList.AppendElement("Noto Sans Tagbanwa");
|
||||
break;
|
||||
case Script::TAI_THAM:
|
||||
aFontList.AppendElement("Noto Sans Tai Tham");
|
||||
break;
|
||||
case Script::TAI_VIET:
|
||||
aFontList.AppendElement("Noto Sans Tai Viet");
|
||||
break;
|
||||
case Script::TAKRI:
|
||||
aFontList.AppendElement("Noto Sans Takri");
|
||||
break;
|
||||
case Script::TIRHUTA:
|
||||
aFontList.AppendElement("Noto Sans Tirhuta");
|
||||
break;
|
||||
case Script::WANCHO:
|
||||
aFontList.AppendElement("Noto Sans Wancho");
|
||||
break;
|
||||
case Script::WARANG_CITI:
|
||||
aFontList.AppendElement("Noto Sans Warang Citi");
|
||||
break;
|
||||
|
||||
case Script::AFAKA:
|
||||
case Script::ANATOLIAN_HIEROGLYPHS:
|
||||
case Script::BLISSYMBOLS:
|
||||
case Script::BOOK_PAHLAVI:
|
||||
case Script::CHORASMIAN:
|
||||
case Script::CIRTH:
|
||||
case Script::CYPRO_MINOAN:
|
||||
case Script::DEMOTIC_EGYPTIAN:
|
||||
case Script::DIVES_AKURU:
|
||||
case Script::DOGRA:
|
||||
case Script::EASTERN_SYRIAC:
|
||||
case Script::ELYMAIC:
|
||||
case Script::GARAY:
|
||||
case Script::GUNJALA_GONDI:
|
||||
case Script::GURUNG_KHEMA:
|
||||
case Script::HARAPPAN_INDUS:
|
||||
case Script::HIERATIC_EGYPTIAN:
|
||||
case Script::JURCHEN:
|
||||
case Script::KAWI:
|
||||
case Script::KHITAN_SMALL_SCRIPT:
|
||||
case Script::KIRAT_RAI:
|
||||
case Script::KPELLE:
|
||||
case Script::LATIN_FRAKTUR:
|
||||
case Script::LATIN_GAELIC:
|
||||
case Script::LOMA:
|
||||
case Script::MAKASAR:
|
||||
case Script::MASARAM_GONDI:
|
||||
case Script::MAYAN_HIEROGLYPHS:
|
||||
case Script::MEDEFAIDRIN:
|
||||
case Script::MOON:
|
||||
case Script::NAG_MUNDARI:
|
||||
case Script::NAKHI_GEBA:
|
||||
case Script::NANDINAGARI:
|
||||
case Script::NUSHU:
|
||||
case Script::NYIAKENG_PUACHUE_HMONG:
|
||||
case Script::OL_ONAL:
|
||||
case Script::OLD_CHURCH_SLAVONIC_CYRILLIC:
|
||||
case Script::OLD_SOGDIAN:
|
||||
case Script::OLD_UYGHUR:
|
||||
case Script::RONGORONGO:
|
||||
case Script::SARATI:
|
||||
case Script::SIGNWRITING:
|
||||
case Script::SOGDIAN:
|
||||
case Script::SOYOMBO:
|
||||
case Script::SUNUWAR:
|
||||
case Script::TANGSA:
|
||||
case Script::TANGUT:
|
||||
case Script::TENGWAR:
|
||||
case Script::TODHRI:
|
||||
case Script::TOTO:
|
||||
case Script::TULU_TIGALARI:
|
||||
case Script::UNKNOWN:
|
||||
case Script::UNWRITTEN_LANGUAGES:
|
||||
case Script::VISIBLE_SPEECH:
|
||||
case Script::VITHKUQI:
|
||||
case Script::WESTERN_SYRIAC:
|
||||
case Script::WOLEAI:
|
||||
case Script::YEZIDI:
|
||||
case Script::ZANABAZAR_SQUARE:
|
||||
break;
|
||||
}
|
||||
|
||||
// Arial Unicode MS has lots of glyphs for obscure characters,
|
||||
// use it as a last resort
|
||||
aFontList.AppendElement(kFontArialUnicodeMS);
|
||||
// Arial is used as default fallback for system fallback, so always try that.
|
||||
aFontList.AppendElement("Arial");
|
||||
|
||||
// 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) {
|
||||
aFontList.AppendElement("Segoe UI Symbol");
|
||||
aFontList.AppendElement("Cambria Math");
|
||||
}
|
||||
|
||||
// Arial Unicode MS has lots of glyphs for obscure characters; try it as a
|
||||
// last resort.
|
||||
aFontList.AppendElement("Arial Unicode MS");
|
||||
|
||||
// If we didn't begin with the color-emoji fonts, include them here
|
||||
// so that they'll be preferred over user-installed (and possibly
|
||||
// broken) fonts in the global fallback path.
|
||||
if (!PrefersColor(aPresentation)) {
|
||||
aFontList.AppendElement(kFontSegoeUIEmoji);
|
||||
aFontList.AppendElement(kFontTwemojiMozilla);
|
||||
aFontList.AppendElement("Segoe UI Emoji");
|
||||
aFontList.AppendElement("Twemoji Mozilla");
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user