but... the program ends up entirely compiled and executed as TTF bytecode in the... | Hacker News

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jcelerier on Aug 21, 2024 | parent | context | favorite | on: Show HN: Handwriter.ttf – Handwriting Synthesis wi...

but... the program ends up entirely compiled and executed as TTF bytecode in the end right, since it's entirely contained in the TTF font ? And TTF bytecode is only the following instructions : https://developer.apple.com/fonts/TrueType-Reference-Manual/... and I don't see anything related to SIMD in there

erk__ on Aug 21, 2024 [–]

No that is not what is happening, HarfBuzz have a experimental Wasm shaper, so the font embeds some wasm code that tells Harfbuzz what to output.

https://github.com/harfbuzz/harfbuzz/blob/main/docs/wasm-sha...

jcelerier on Aug 21, 2024 | [–]

oh ok, so it can't work in any system that doesn't use harfbuzz.. that's much less interesting than what I originally thought

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