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Diffstat (limited to 'components/fonts/platform/mod.rs')
| -rw-r--r-- | components/fonts/platform/mod.rs | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/components/fonts/platform/mod.rs b/components/fonts/platform/mod.rs new file mode 100644 index 00000000000..6aebc107f66 --- /dev/null +++ b/components/fonts/platform/mod.rs @@ -0,0 +1,298 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ + +#[cfg(any(target_os = "linux", target_os = "macos"))] +use base::text::{UnicodeBlock, UnicodeBlockMethod}; +#[cfg(any(target_os = "linux", target_os = "macos"))] +use unicode_script::Script; + +#[cfg(any(target_os = "linux", target_os = "android"))] +pub use crate::platform::freetype::{font, font_list, library_handle}; +#[cfg(target_os = "macos")] +pub use crate::platform::macos::{core_text_font_cache, font, font_list}; +#[cfg(target_os = "windows")] +pub use crate::platform::windows::{font, font_list}; +#[cfg(any(target_os = "linux", target_os = "macos"))] +use crate::FallbackFontSelectionOptions; + +#[cfg(any(target_os = "linux", target_os = "android"))] +mod freetype { + use std::ffi::CStr; + use std::str; + + use libc::c_char; + + /// Creates a String from the given null-terminated buffer. + /// Panics if the buffer does not contain UTF-8. + unsafe fn c_str_to_string(s: *const c_char) -> String { + str::from_utf8(CStr::from_ptr(s).to_bytes()) + .unwrap() + .to_owned() + } + + pub mod font; + + #[cfg(all(target_os = "linux", not(target_env = "ohos")))] + pub mod font_list; + #[cfg(target_os = "android")] + mod android { + pub mod font_list; + mod xml; + } + #[cfg(target_os = "android")] + pub use self::android::font_list; + #[cfg(target_env = "ohos")] + mod ohos { + pub mod font_list; + } + #[cfg(target_env = "ohos")] + pub use self::ohos::font_list; + + pub mod library_handle; +} + +#[cfg(target_os = "macos")] +mod macos { + pub mod core_text_font_cache; + pub mod font; + pub mod font_list; +} + +#[cfg(target_os = "windows")] +mod windows { + pub mod font; + pub mod font_list; +} + +#[cfg(any(target_os = "linux", target_os = "macos"))] +pub(crate) fn add_noto_fallback_families( + options: FallbackFontSelectionOptions, + families: &mut Vec<&'static str>, +) { + // TODO: Need to differentiate between traditional and simplified Han here! + let add_chinese_families = |families: &mut Vec<&str>| { + families.push("Noto Sans CJK HK"); + families.push("Noto Sans CJK SC"); + families.push("Noto Sans CJK TC"); + families.push("Noto Sans HK"); + families.push("Noto Sans SC"); + families.push("Noto Sans TC"); + }; + + match Script::from(options.character) { + // 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. + Script::Common | Script::Inherited | Script::Latin | Script::Cyrillic | Script::Greek => { + families.push("Noto Sans"); + }, + // 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. + Script::Bopomofo | Script::Han => add_chinese_families(families), + _ => {}, + } + + if let Some(block) = options.character.block() { + match block { + UnicodeBlock::HalfwidthandFullwidthForms | + UnicodeBlock::EnclosedIdeographicSupplement => add_chinese_families(families), + UnicodeBlock::Adlam => families.push("Noto Sans Adlam"), + UnicodeBlock::Ahom => families.push("Noto Serif Ahom"), + UnicodeBlock::AnatolianHieroglyphs => families.push("Noto Sans AnatoHiero"), + UnicodeBlock::Arabic | + UnicodeBlock::ArabicExtendedA | + UnicodeBlock::ArabicPresentationFormsA | + UnicodeBlock::ArabicPresentationFormsB => { + families.push("Noto Sans Arabic"); + families.push("Noto Naskh Arabic"); + }, + UnicodeBlock::ArabicMathematicalAlphabeticSymbols => { + families.push("Noto Sans Math"); + }, + UnicodeBlock::Armenian => families.push("Noto Sans Armenian"), + UnicodeBlock::Avestan => families.push("Noto Sans Avestan"), + UnicodeBlock::Balinese => families.push("Noto Sans Balinese"), + UnicodeBlock::Bamum | UnicodeBlock::BamumSupplement => families.push("Noto Sans Bamum"), + UnicodeBlock::BassaVah => families.push("Noto Sans Bassa Vah"), + UnicodeBlock::Batak => families.push("Noto Sans Batak"), + UnicodeBlock::Bengali => families.push("Noto Sans Bengali"), + UnicodeBlock::Bhaiksuki => families.push("Noto Sans Bhaiksuki"), + UnicodeBlock::Brahmi => families.push("Noto Sans Brahmi"), + UnicodeBlock::BraillePatterns => { + // These characters appear to be in DejaVu Serif. + }, + UnicodeBlock::Buginese => families.push("Noto Sans Buginese"), + UnicodeBlock::Buhid => families.push("Noto Sans Buhid"), + UnicodeBlock::Carian => families.push("Noto Sans Carian"), + UnicodeBlock::CaucasianAlbanian => families.push("Noto Sans Caucasian Albanian"), + UnicodeBlock::Chakma => families.push("Noto Sans Chakma"), + UnicodeBlock::Cham => families.push("Noto Sans Cham"), + UnicodeBlock::Cherokee | UnicodeBlock::CherokeeSupplement => { + families.push("Noto Sans Cherokee") + }, + UnicodeBlock::Coptic => families.push("Noto Sans Coptic"), + UnicodeBlock::Cuneiform | UnicodeBlock::CuneiformNumbersandPunctuation => { + families.push("Noto Sans Cuneiform") + }, + UnicodeBlock::CypriotSyllabary => families.push("Noto Sans Cypriot"), + UnicodeBlock::Deseret => families.push("Noto Sans Deseret"), + UnicodeBlock::Devanagari | + UnicodeBlock::DevanagariExtended | + UnicodeBlock::CommonIndicNumberForms => families.push("Noto Sans Devanagari"), + UnicodeBlock::Duployan => families.push("Noto Sans Duployan"), + UnicodeBlock::EgyptianHieroglyphs => families.push("Noto Sans Egyptian Hieroglyphs"), + UnicodeBlock::Elbasan => families.push("Noto Sans Elbasan"), + UnicodeBlock::Ethiopic | + UnicodeBlock::EthiopicExtended | + UnicodeBlock::EthiopicExtendedA | + UnicodeBlock::EthiopicSupplement => families.push("Noto Sans Ethiopic"), + UnicodeBlock::Georgian | UnicodeBlock::GeorgianSupplement => { + families.push("Noto Sans Georgian") + }, + UnicodeBlock::Glagolitic | UnicodeBlock::GlagoliticSupplement => { + families.push("Noto Sans Glagolitic") + }, + UnicodeBlock::Gothic => families.push("Noto Sans Gothic"), + UnicodeBlock::Grantha => families.push("Noto Sans Grantha"), + UnicodeBlock::Gujarati => families.push("Noto Sans Gujarati"), + UnicodeBlock::Gurmukhi => families.push("Noto Sans Gurmukhi"), + UnicodeBlock::HangulCompatibilityJamo | + UnicodeBlock::HangulJamo | + UnicodeBlock::HangulJamoExtendedA | + UnicodeBlock::HangulJamoExtendedB | + UnicodeBlock::HangulSyllables => { + families.push("Noto Sans KR"); + families.push("Noto Sans CJK KR"); + }, + UnicodeBlock::HanifiRohingya => families.push("Noto Sans Hanifi Rohingya"), + UnicodeBlock::Hanunoo => families.push("Noto Sans Hanunoo"), + UnicodeBlock::Hatran => families.push("Noto Sans Hatran"), + UnicodeBlock::Hebrew => families.push("Noto Sans Hebrew"), + UnicodeBlock::Hiragana | + UnicodeBlock::Katakana | + UnicodeBlock::KatakanaPhoneticExtensions => { + families.push("Noto Sans JP"); + families.push("Noto Sans CJK JP"); + }, + UnicodeBlock::ImperialAramaic => families.push("Noto Sans Imperial Aramaic"), + UnicodeBlock::InscriptionalPahlavi => families.push("Noto Sans Inscriptional Pahlavi"), + UnicodeBlock::InscriptionalParthian => { + families.push("Noto Sans Inscriptional Parthian") + }, + UnicodeBlock::Javanese => families.push("Noto Sans Javanese"), + UnicodeBlock::Kaithi => families.push("Noto Sans Kaithi"), + UnicodeBlock::Kannada => families.push("Noto Sans Kannada"), + UnicodeBlock::KayahLi => families.push("Noto Sans Kayah Li"), + UnicodeBlock::Kharoshthi => families.push("Noto Sans Kharoshthi"), + UnicodeBlock::Khmer | UnicodeBlock::KhmerSymbols => families.push("Noto Sans Khmer"), + UnicodeBlock::Khojki => families.push("Noto Sans Khojki"), + UnicodeBlock::Khudawadi => families.push("Noto Sans Khudawadi"), + UnicodeBlock::Lao => families.push("Noto Sans Lao"), + UnicodeBlock::Lepcha => families.push("Noto Sans Lepcha"), + UnicodeBlock::Limbu => families.push("Noto Sans Limbu"), + UnicodeBlock::LinearA => families.push("Noto Sans Linear A"), + UnicodeBlock::LinearBIdeograms | UnicodeBlock::LinearBSyllabary => { + families.push("Noto Sans Linear B") + }, + UnicodeBlock::Lisu => families.push("Noto Sans Lisu"), + UnicodeBlock::Lycian => families.push("Noto Sans Lycian"), + UnicodeBlock::Lydian => families.push("Noto Sans Lydian"), + UnicodeBlock::Mahajani => families.push("Noto Sans Mahajani"), + UnicodeBlock::Malayalam => families.push("Noto Sans Malayalam"), + UnicodeBlock::Mandaic => families.push("Noto Sans Mandaic"), + UnicodeBlock::Manichaean => families.push("Noto Sans Manichaean"), + UnicodeBlock::Marchen => families.push("Noto Sans Marchen"), + UnicodeBlock::MeeteiMayek | UnicodeBlock::MeeteiMayekExtensions => { + families.push("Noto Sans Meetei Mayek") + }, + UnicodeBlock::MendeKikakui => families.push("Noto Sans Mende Kikakui"), + UnicodeBlock::MeroiticCursive | UnicodeBlock::MeroiticHieroglyphs => { + families.push("Noto Sans Meroitic") + }, + UnicodeBlock::Miao => families.push("Noto Sans Miao"), + UnicodeBlock::Modi => families.push("Noto Sans Modi"), + UnicodeBlock::Mongolian | UnicodeBlock::MongolianSupplement => { + families.push("Noto Sans Mongolian") + }, + UnicodeBlock::Mro => families.push("Noto Sans Mro"), + UnicodeBlock::Multani => families.push("Noto Sans Multani"), + UnicodeBlock::MusicalSymbols => families.push("Noto Music"), + UnicodeBlock::Myanmar | + UnicodeBlock::MyanmarExtendedA | + UnicodeBlock::MyanmarExtendedB => families.push("Noto Sans Myanmar"), + UnicodeBlock::NKo => families.push("Noto Sans NKo"), + UnicodeBlock::Nabataean => families.push("Noto Sans Nabataean"), + UnicodeBlock::NewTaiLue => families.push("Noto Sans New Tai Lue"), + UnicodeBlock::Newa => families.push("Noto Sans Newa"), + UnicodeBlock::Ogham => families.push("Noto Sans Ogham"), + UnicodeBlock::OlChiki => families.push("Noto Sans Ol Chiki"), + UnicodeBlock::OldHungarian => families.push("Noto Sans Old Hungarian"), + UnicodeBlock::OldItalic => families.push("Noto Sans Old Italic"), + UnicodeBlock::OldNorthArabian => families.push("Noto Sans Old North Arabian"), + UnicodeBlock::OldPermic => families.push("Noto Sans Old Permic"), + UnicodeBlock::OldPersian => families.push("Noto Sans Old Persian"), + UnicodeBlock::OldSouthArabian => families.push("Noto Sans Old South Arabian"), + UnicodeBlock::OldTurkic => families.push("Noto Sans Old Turkic"), + UnicodeBlock::Oriya => families.push("Noto Sans Oriya"), + UnicodeBlock::Osage => families.push("Noto Sans Osage"), + UnicodeBlock::Osmanya => families.push("Noto Sans Osmanya"), + UnicodeBlock::PahawhHmong => families.push("Noto Sans Pahawh Hmong"), + UnicodeBlock::Palmyrene => families.push("Noto Sans Palmyrene"), + UnicodeBlock::PauCinHau => families.push("Noto Sans Pau Cin Hau"), + UnicodeBlock::Phagspa => families.push("Noto Sans PhagsPa"), + UnicodeBlock::Phoenician => families.push("Noto Sans Phoenician"), + UnicodeBlock::PsalterPahlavi => families.push("Noto Sans Psalter Pahlavi"), + UnicodeBlock::Rejang => families.push("Noto Sans Rejang"), + UnicodeBlock::Runic => families.push("Noto Sans Runic"), + UnicodeBlock::Samaritan => families.push("Noto Sans Samaritan"), + UnicodeBlock::Saurashtra => families.push("Noto Sans Saurashtra"), + UnicodeBlock::Sharada => families.push("Noto Sans Sharada"), + UnicodeBlock::Shavian => families.push("Noto Sans Shavian"), + UnicodeBlock::Siddham => families.push("Noto Sans Siddham"), + UnicodeBlock::Sinhala | UnicodeBlock::SinhalaArchaicNumbers => { + families.push("Noto Sans Sinhala") + }, + UnicodeBlock::SoraSompeng => families.push("Noto Sans Sora Sompeng"), + UnicodeBlock::Sundanese => families.push("Noto Sans Sundanese"), + UnicodeBlock::SuttonSignWriting => families.push("Noto Sans SignWrit"), + UnicodeBlock::SylotiNagri => families.push("Noto Sans Syloti Nagri"), + UnicodeBlock::Syriac => families.push("Noto Sans Syriac"), + UnicodeBlock::Tagalog => families.push("Noto Sans Tagalog"), + UnicodeBlock::Tagbanwa => families.push("Noto Sans Tagbanwa"), + UnicodeBlock::TaiLe => families.push("Noto Sans Tai Le"), + UnicodeBlock::TaiTham => families.push("Noto Sans Tai Tham"), + UnicodeBlock::TaiViet => families.push("Noto Sans Tai Viet"), + UnicodeBlock::Takri => families.push("Noto Sans Takri"), + UnicodeBlock::Tamil => families.push("Noto Sans Tamil"), + UnicodeBlock::Tangut | + UnicodeBlock::TangutComponents | + UnicodeBlock::IdeographicSymbolsandPunctuation => families.push("Noto Serif Tangut"), + UnicodeBlock::Telugu => families.push("Noto Sans Telugu"), + UnicodeBlock::Thaana => { + families.push("Noto Sans Thaana"); + }, + UnicodeBlock::Thai => families.push("Noto Sans Thai"), + UnicodeBlock::Tibetan => families.push("Noto Serif Tibetan"), + UnicodeBlock::Tifinagh => families.push("Noto Sans Tifinagh"), + UnicodeBlock::Tirhuta => families.push("Noto Sans Tirhuta"), + UnicodeBlock::Ugaritic => families.push("Noto Sans Ugaritic"), + UnicodeBlock::UnifiedCanadianAboriginalSyllabics | + UnicodeBlock::UnifiedCanadianAboriginalSyllabicsExtended => { + families.push("Noto Sans Canadian Aboriginal") + }, + UnicodeBlock::Vai => families.push("Noto Sans Vai"), + UnicodeBlock::WarangCiti => families.push("Noto Sans Warang Citi"), + UnicodeBlock::YiSyllables | UnicodeBlock::YiRadicals => { + families.push("Noto Sans Yi"); + }, + UnicodeBlock::Wancho => families.push("Noto Sans Wancho"), + _ => {}, + } + } + + families.push("Noto Sans Symbols"); + families.push("Noto Sans Symbols2"); +} |