Robert Allan JamesandClaude Sonnet 5
2ef8d26c6f
mkcapsule.c already ingests arbitrary non-.4th files as raw byte blobs (validate_forth_blocks only applies to .4th filenames), so no hex/base64 text-encoding or tool changes are needed -- corrects the design premise in FABRIC.md's 4.3.7b item text (see the FABRIC.md correction note this commit carries). ttf_load_from_capsule() resolves the font capsule by name, validates its content hash, and points ttf_font_t at the capsule arena bytes directly, zero-copy. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
31 lines
1.8 KiB
Markdown
31 lines
1.8 KiB
Markdown
# capsules/fonts/
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Font capsule for FABRIC.md items 4.3.7/4.3.7b (TrueType rendering, adjunct
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to the stroke font — §27.7).
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| File | License | Provenance |
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|------|---------|------------|
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| `JetBrainsMono-Regular.ttf` | SIL Open Font License, Version 1.1 | The JetBrains Mono Project Authors, copyright 2020 (https://github.com/JetBrains/JetBrainsMono). License string confirmed by reading the font's own embedded `name` table directly (`strings -e b JetBrainsMono-Regular.ttf`) — not taken on trust from the filename. |
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Chosen as the v1 test/default TTF font 2026-08-10 (FABRIC.md §27.7 "Update
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2026-08-10"), resolving that item's licensing-check blocker.
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**Embedded as a raw-binary capsule, not text-encoded.** `tools/mkcapsule.c`'s
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`process_file()` reads any regular file under `capsules/` as raw bytes and
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only runs the 64-char/16-line `.4th` text-block validation
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(`validate_forth_blocks()`) when the filename ends in `.4th` — everything
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else, including this `.ttf`, is stored byte-for-byte in the generated
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`capsule_arena[]` and content-hashed (xxHash64) exactly like every other
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capsule. Capsule name: `fonts:JetBrainsMono-Regular.ttf` (colon-separated
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relative path, per `build_capsule_name()`). Fetch it with
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`capsule_find_by_name()` (`include/starkernel/capsule.h`) — that returns
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`offset`/`length` into the arena without ever routing through
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`capsule_exec_payload()`, so nothing tries to interpret the font bytes as
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FORTH source. This superseded FABRIC.md §27.7 decision #3 (hex/base64
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text-encoding) — see that section's 2026-08-10 correction note.
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No SIL OFL 1.1 full license text is bundled here yet — only the font's own
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embedded attribution string. Add the full `OFL.txt` alongside this file if/
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when redistribution requirements are checked in detail (OFL requires the
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license text to accompany the font).
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