linebender / linebender/resvg

Add support for variable font weight detection/conversion

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#962 13 comments 0 reactions 0 assignees View on GitHub

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Dominant language
Rust
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Merged PRs (30d)
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Description

OS: macOS 26.1 / Debian 13.2

Font: https://fonts.google.com/specimen/Nunito+Sans

Font is loaded:

```sh
$ resvg --list-fonts | grep Nunito
/Users/foo/Library/Fonts/NunitoSans-Italic[YTLC,opsz,wdth,wght].ttf: 'Nunito Sans (English, United States)', 0, Italic, 200, Normal
/Users/foo/Library/Fonts/NunitoSans[YTLC,opsz,wdth,wght].ttf: 'Nunito Sans (English, United States)', 0, Normal, 200, Normal
```

SVG to reproduce:

```xml

```

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the provided Nunito Sans variable font and SVG reproduction, using `resvg --list-fonts` to verify how the font is detected. Compare the `font-weight="bold"` output with the expected variable-font weight behavior; done means the reproduction renders with the requested weight and variable fonts are detected or converted correctly.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
computer-graphics
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
42/100

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