42 lines
2.2 KiB
Markdown
42 lines
2.2 KiB
Markdown
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# C64_Pro_Mono-STYLE.ttf
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| Font | C64 Pro Mono, by STYLE — <https://style64.org/c64-truetype> |
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| Copied from | `basicinterpreter@d76162c`, `fonts/C64_Pro_Mono-STYLE.ttf` |
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| Copied on | 2026-07-31 |
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| Verified | `cmp`-identical to the submodule copy |
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## Why it is here
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It is the font `deps/basicinterpret/main.go` opens, at the size it opens it, and reproducing
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that is part of what the SDL frontend is for. It was reached for inside the submodule until the
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Go dependency started being deprecated; the build now has no reason to clone that repository,
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and this was the last thing tying it to one.
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Two things use it, both through compile definitions in `CMakeLists.txt`:
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- `AKBASIC_FONT_PATH` — what an `-DAKBASIC_WITH_AKGL=ON` build of `basic` opens. Overridable at
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runtime with the `AKBASIC_FONT` environment variable, which is what an installed copy or a
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different font wants.
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- `AKBASIC_TEST_C64_FONT` — what `tests/akgl_frontend.c` opens, because `TODO.md` §3's
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acceptance asks the drawn text to be proved in *this* font rather than any monospaced one.
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## The licence question, which is open
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**STYLE's C64 TrueType fonts are not public domain and this repository does not carry their
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licence.** Neither did `basicinterpreter`, which is where the file came from. The terms at
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<https://style64.org/c64-truetype/license> permit free personal and non-commercial use and
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require the licence to accompany redistribution; commercial redistribution needs their
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permission.
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Copying it here changes nothing legally — the same file was already being redistributed from
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the same owner's other public repository — but it does move the question into a project that
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is meant to be embeddable in other people's games, which is where it starts to matter.
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**Before this is shipped in anything commercial, or vendored into a game that is:** either
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obtain STYLE's permission and include their licence file beside this one, or replace the font.
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Replacing it is cheap — the frontend measures whatever font it is handed
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(`akbasic_sink_init_akgl` derives the character grid from `akgl_text_measure`), so any
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monospaced TTF works and only the two compile definitions above would change.
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