87 lines
3.2 KiB
Rust
87 lines
3.2 KiB
Rust
// SPDX-License-Identifier: MIT OR Apache-2.0
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use unicode_script::Script;
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// Fallbacks to use after any script specific fallbacks
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pub fn common_fallback() -> &'static [&'static str] {
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&[
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".SF NS",
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"Apple Color Emoji",
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"Geneva",
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"Arial Unicode MS",
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]
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}
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// Fallbacks to never use
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pub fn forbidden_fallback() -> &'static [&'static str] {
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&[
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".LastResort",
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]
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}
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fn han_unification(locale: &str) -> &'static [&'static str] {
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match locale {
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// Japan
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"ja" => &["Hiragino Sans"],
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// Korea
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"ko" => &["Apple SD Gothic Neo"],
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// Hong Kong
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"zh-HK" => &["PingFang HK"],
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// Taiwan
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"zh-TW" => &["PingFang TC"],
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// Simplified Chinese is the default (also catches "zh-CN" for China)
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_ => &["PingFang SC"],
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}
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}
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// Fallbacks to use per script
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pub fn script_fallback(script: &Script, locale: &str) -> &'static [&'static str] {
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//TODO: abstract style (sans/serif/monospaced)
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//TODO: pull more data from about:config font.name-list.sans-serif in Firefox
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match script {
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Script::Adlam => &["Noto Sans Adlam"],
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Script::Arabic => &["Geeza Pro"],
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Script::Armenian => &["Noto Sans Armenian"],
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Script::Bengali => &["Bangla Sangam MN"],
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Script::Buhid => &["Noto Sans Buhid"],
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Script::Canadian_Aboriginal => &["Euphemia UCAS"],
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Script::Chakma => &["Noto Sans Chakma"],
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Script::Devanagari => &["Devanagari Sangam MN"],
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Script::Ethiopic => &["Kefa"],
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Script::Gothic => &["Noto Sans Gothic"],
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Script::Grantha => &["Grantha Sangam MN"],
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Script::Gujarati => &["Gujarati Sangam MN"],
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Script::Gurmukhi => &["Gurmukhi Sangam MN"],
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Script::Han => han_unification(locale),
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Script::Hangul => han_unification("ko"),
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Script::Hanunoo => &["Noto Sans Hanunoo"],
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Script::Hebrew => &["Arial"],
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Script::Hiragana => han_unification("ja"),
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Script::Javanese => &["Noto Sans Javanese"],
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Script::Kannada => &["Noto Sans Kannada"],
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Script::Katakana => han_unification("ja"),
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Script::Khmer => &["Khmer Sangam MN"],
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Script::Lao => &["Lao Sangam MN"],
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Script::Malayalam => &["Malayalam Sangam MN"],
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Script::Mongolian => &["Noto Sans Mongolian"],
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Script::Myanmar => &["Noto Sans Myanmar"],
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Script::Oriya => &["Noto Sans Oriya"],
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Script::Sinhala => &["Sinhala Sangam MN"],
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Script::Syriac => &["Noto Sans Syriac"],
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Script::Tagalog => &["Noto Sans Tagalog"],
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Script::Tagbanwa => &["Noto Sans Tagbanwa"],
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Script::Tai_Le => &["Noto Sans Tai Le"],
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Script::Tai_Tham => &["Noto Sans Tai Tham"],
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Script::Tai_Viet => &["Noto Sans Tai Viet"],
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Script::Tamil => &["InaiMathi"],
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Script::Telugu => &["Telugu Sangam MN"],
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Script::Thaana => &["Noto Sans Thaana"],
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Script::Thai => &["Ayuthaya"],
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Script::Tibetan => &["Kailasa"],
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Script::Tifinagh => &["Noto Sans Tifinagh"],
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Script::Vai => &["Noto Sans Vai"],
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//TODO: Use han_unification?
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Script::Yi => &["Noto Sans Yi", "PingFang SC"],
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_ => &[],
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}
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}
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