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Support component flattening #268

Merged
merged 5 commits into from
Apr 20, 2023
Merged

Support component flattening #268

merged 5 commits into from
Apr 20, 2023

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rsheeter
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@rsheeter rsheeter commented Apr 18, 2023 •
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Improves Oswald build alignment with fontmake as run by gftools. See #250 (comment).

Builds on #267.

Once this plus the PRs it builds on are merged the largest source of difference in glyf for Oswald is that we don't remove implicit on-curves.

@rsheeter rsheeter changed the base branch from main to cflag April 18, 2023 21:49
@rsheeter rsheeter changed the title [wip] Support component flattening Support component flattening Apr 19, 2023
@rsheeter rsheeter marked this pull request as ready for review April 19, 2023 00:14
anthrotype
anthrotype reviewed Apr 19, 2023
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anthrotype approved these changes Apr 19, 2023
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the flattening logic LGTM, but would prefer if disabled by default

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it just occurred to me that, after flattening components, we may end up with orphan glyphs that are no longer used by composite glyphs and may also have no direct cmapping nor be substituted to from GSUB rules so they are basically dead weight, which a subsetter --unicodes='*' would surely get rid of, but maybe the compiler could/should be smarter and avoid them to be left in.
see googlefonts/ufo2ft#692

@rsheeter @anthrotype
Update fontir/src/glyph.rs
7c264d4 
Co-authored-by: Cosimo Lupo <clupo@google.com>
@rsheeter rsheeter mentioned this pull request Apr 20, 2023
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after flattening components, we may end up with orphan glyphs ...

Good point, filed #270

Base automatically changed from cflag to main April 20, 2023 17:17
@rsheeter rsheeter merged commit 016e727 into main Apr 20, 2023
@rsheeter rsheeter deleted the flatten branch April 20, 2023 17:35
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Compile Oswald and compare to fontmake
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