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write_fonts should update head.checkSumAdjustment #1139

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anthrotype opened this issue Sep 6, 2024 · 0 comments

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anthrotype commented Sep 6, 2024

it's always set to 0x0, see googlefonts/fontc#945

@rsheeter noted

fontations/write-fonts/src/font_builder.rs

Line 102 in 6d01f74

pub fn build(&mut self) -> Vec<u8> {

is computing table directory checksums and strikes me as the appropriate place to do it, update head if there is a head.

anthrotype self-assigned this

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