Canithesis/allegro_schrift
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update wmax, update README.md

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Brett Bergstrom
2026-09-22 18:43:20 -05:00
parent 02eb8fc160
commit 07395f7777
4 changed files with 10 additions and 4 deletions
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README.md
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@@ -3,6 +3,8 @@ Drop-in replacement for Allegro_TTF that contains libschrift, instead of using F
It is 100% API compatible with the vanilla TrueType addon. Compile Allegro with these files inside of `/addons/ttf`.
![Comparison between FreeType2 and schrift when running Allegro's ex_ttf demo](comparison.png)
Pros:
- It doesn't require NT 6 kernel calls
- It doesn't dynamically link against hundreds of thousands of lines of ugly corporate-backed C code you can't read
@@ -14,4 +16,6 @@ Caveats:
- The entire caching system is gone, fonts are baked to textures immediately and no further. This makes supporting some languages with this add-on inconvenient, or impossible.
If your usecase doesn't need every fancy rendering feature and can use schrift, you probably aren't supporting enough characters and languages to need on-the-fly caching, so we consider this an acceptable tradeoff.
- The `cache_text` setting in allegro5.cfg is now reused to determine what glyphs can be rendered at all. `skip_cache_misses` has no effect.
When `cache_text` is undefined, the English and Romance alphabets will be generated by default.
When `cache_text` is undefined, the [Latin](https://en.wikipedia.org/wiki/ASCII), [Germanic, and Romance](https://en.wikipedia.org/wiki/Latin_Extended-A) alphabets will be generated by default. (not necessarily 32 - 255)
- **TODO** Alternatively, the developer can force a custom range of unicode characters to be generated using a new parameter in the `al_load_ttf_font` function.
- Kerning, per-character advance and offsets, and other features which are exposed by libschrift are not currently implemented, but doing so is possible. See the above comparison screenshot.