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halkyon/apps/learn/halkyon_learn_flutter/assets/fonts/ATTRIBUTION.md

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feat(app): Noto Sans and Noto Sans JP, bundled, the same on every device The app brought no fonts: text took each device's own, a minimal Linux showed Japanese as boxes, and kanji could take Chinese shapes. Now Noto Sans is the app's font everywhere (Latin, Greek with polytonic, Cyrillic), and Noto Sans JP fills in kana and kanji in their Japanese shapes. Noto Sans JP alone wouldn't do: it lacks accented and polytonic Greek. Both come with the app and are never fetched; scripts neither covers fall back to the device's own fonts. Each family is one variable font holding every weight (Flutter sets the weight axis from the requested weight; a test checks bold inks more): 0.7 MB Noto Sans, 0.7 MB its italic, 8.1 MB Noto Sans JP, from Noto's own GitHub releases (assets/fonts/ATTRIBUTION.md). Their SIL Open Font License texts join the app's licence list. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MMm7usAo6q9ZZRoPkWjoxi Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-08 23:02:08 +02:00
# Fonts
The app brings its fonts with it and never fetches any: text looks the same on
refactor(theme): the look comes from halkyon_ui The theme, Noto Sans, the window sizes and the widgets every screen is built of move to halkyon_ui (halkyon_shared), pinned to a signed commit as the sync fork is, so Halkyon's other apps share them. Learn keeps its own colours (the FSRS ratings, a starred star) as LearnColors beside the theme, the CJK fonts with their licences, and its launch screen's word and icon. Nothing on screen changes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-18 22:04:10 +02:00
every device, whatever fonts it has. Noto Sans, its font, comes with halkyon_ui
docs: one repository for every app and shared package (ADR 0015) The root AGENTS.md holds what applies to every app and package (how work is done, Serverpod, checks with Melos and the tools, CI); Learn's own is apps/learn/AGENTS.md, Todo's a note that it is still the scaffold. The root README introduces the project, Learn's moves to its folder; LICENSE.md says which licence covers which directory, Todo's packages unlicensed until decided; one CONTRIBUTING.md. ADR 0015 records the decision; ADR 0014 and 0003 note what moved. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-19 20:39:09 +02:00
(`packages/halkyon_ui`), which bundles it with its licence and registers it; the fonts
refactor(theme): the look comes from halkyon_ui The theme, Noto Sans, the window sizes and the widgets every screen is built of move to halkyon_ui (halkyon_shared), pinned to a signed commit as the sync fork is, so Halkyon's other apps share them. Learn keeps its own colours (the FSRS ratings, a starred star) as LearnColors beside the theme, the CJK fonts with their licences, and its launch screen's word and icon. Nothing on screen changes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-18 22:04:10 +02:00
for Japanese, Chinese and Korean are the app's own, here.
feat(app): Noto Sans and Noto Sans JP, bundled, the same on every device The app brought no fonts: text took each device's own, a minimal Linux showed Japanese as boxes, and kanji could take Chinese shapes. Now Noto Sans is the app's font everywhere (Latin, Greek with polytonic, Cyrillic), and Noto Sans JP fills in kana and kanji in their Japanese shapes. Noto Sans JP alone wouldn't do: it lacks accented and polytonic Greek. Both come with the app and are never fetched; scripts neither covers fall back to the device's own fonts. Each family is one variable font holding every weight (Flutter sets the weight axis from the requested weight; a test checks bold inks more): 0.7 MB Noto Sans, 0.7 MB its italic, 8.1 MB Noto Sans JP, from Noto's own GitHub releases (assets/fonts/ATTRIBUTION.md). Their SIL Open Font License texts join the app's licence list. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MMm7usAo6q9ZZRoPkWjoxi Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-08 23:02:08 +02:00
| File | Font | Source | Licence |
|---|---|---|---|
feat(app): a studyset's languages, and Chinese and Korean fonts The studyset sheet gains Languages, as before: off until "Set languages", then the language of the cards' fronts and of their backs (22 languages, Chinese in its two scripts). A studyset without its own takes those of the nearest studyset above it, both together; set for the first time, they start from those it took. The payload held both fields already. They set its text: Noto Sans SC, TC and KR join Noto Sans JP (bundled, never fetched; 34 MB more, fonts 42 MB in all, your call), and since Han characters take the shapes of the first font that has them, every screen inside a studyset (its screen, cards, notes, paths, studying it) puts the font of its front's language first, else of its back's, Japanese otherwise. Every studyset route goes through one helper now. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MMm7usAo6q9ZZRoPkWjoxi Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-08 23:30:31 +02:00
| `NotoSansJP-Variable.otf`, `NotoSansSC-Variable.otf`, `NotoSansTC-Variable.otf`, `NotoSansKR-Variable.otf` | Noto Sans JP, SC, TC, KR (Japanese, Simplified and Traditional Chinese, Korean), every weight | [notofonts/noto-cjk](https://github.com/notofonts/noto-cjk) `Sans/Variable/OTF/Subset/NotoSans{JP,SC,TC,KR}-VF.otf`, commit f8d157532fbf (2026-10-08) | SIL Open Font License 1.1, `OFL-NotoSansCJK.txt` |
feat(app): Noto Sans and Noto Sans JP, bundled, the same on every device The app brought no fonts: text took each device's own, a minimal Linux showed Japanese as boxes, and kanji could take Chinese shapes. Now Noto Sans is the app's font everywhere (Latin, Greek with polytonic, Cyrillic), and Noto Sans JP fills in kana and kanji in their Japanese shapes. Noto Sans JP alone wouldn't do: it lacks accented and polytonic Greek. Both come with the app and are never fetched; scripts neither covers fall back to the device's own fonts. Each family is one variable font holding every weight (Flutter sets the weight axis from the requested weight; a test checks bold inks more): 0.7 MB Noto Sans, 0.7 MB its italic, 8.1 MB Noto Sans JP, from Noto's own GitHub releases (assets/fonts/ATTRIBUTION.md). Their SIL Open Font License texts join the app's licence list. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MMm7usAo6q9ZZRoPkWjoxi Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-08 23:02:08 +02:00
feat(app): a studyset's languages, and Chinese and Korean fonts The studyset sheet gains Languages, as before: off until "Set languages", then the language of the cards' fronts and of their backs (22 languages, Chinese in its two scripts). A studyset without its own takes those of the nearest studyset above it, both together; set for the first time, they start from those it took. The payload held both fields already. They set its text: Noto Sans SC, TC and KR join Noto Sans JP (bundled, never fetched; 34 MB more, fonts 42 MB in all, your call), and since Han characters take the shapes of the first font that has them, every screen inside a studyset (its screen, cards, notes, paths, studying it) puts the font of its front's language first, else of its back's, Japanese otherwise. Every studyset route goes through one helper now. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MMm7usAo6q9ZZRoPkWjoxi Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-08 23:30:31 +02:00
Noto Sans is the app's font; the CJK fonts fill in the glyphs it lacks, the
refactor(theme): the look comes from halkyon_ui The theme, Noto Sans, the window sizes and the widgets every screen is built of move to halkyon_ui (halkyon_shared), pinned to a signed commit as the sync fork is, so Halkyon's other apps share them. Learn keeps its own colours (the FSRS ratings, a starred star) as LearnColors beside the theme, the CJK fonts with their licences, and its launch screen's word and icon. Nothing on screen changes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-18 22:04:10 +02:00
one matching a studyset's language first, Japanese otherwise (halkyon_ui's
`appFontFallbackFor`, which names them by the families `pubspec.yaml`
declares): they share most Han characters but draw them differently. Noto Sans JP alone would not do as the app's font: it has
feat(app): a studyset's languages, and Chinese and Korean fonts The studyset sheet gains Languages, as before: off until "Set languages", then the language of the cards' fronts and of their backs (22 languages, Chinese in its two scripts). A studyset without its own takes those of the nearest studyset above it, both together; set for the first time, they start from those it took. The payload held both fields already. They set its text: Noto Sans SC, TC and KR join Noto Sans JP (bundled, never fetched; 34 MB more, fonts 42 MB in all, your call), and since Han characters take the shapes of the first font that has them, every screen inside a studyset (its screen, cards, notes, paths, studying it) puts the font of its front's language first, else of its back's, Japanese otherwise. Every studyset route goes through one helper now. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MMm7usAo6q9ZZRoPkWjoxi Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
2026-10-08 23:30:31 +02:00
no accented or polytonic Greek. Scripts none of them covers (Arabic, Hebrew,
Thai, Devanagari, …) come from the device's own fonts. The files are renamed
only; their glyphs are unchanged. The licences are shown in the app's licence
list.
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