Artefacts in assembled stretched glyphs
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- Dominant language
- Rust
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Description
Description
When assembled glyphs are built (via stretch, lr, underbrace or similar), the rendered PNG contains small artefacts where the glyph parts connect. This is especially visible in low resolutions, e.g. in the example for the underbracket docs.
| 300ppi | 1000ppi (only small bumps visible) |
|---|---|
At some zoom levels, this is also be visible in PDF and SVG, probably depending on the viewer (e.g. in VSCode using "vscode-pdf" and "Svg Preview").
Reproduction URL
No response
Operating system
Web app, Windows
Typst version
- I am using the latest version of Typst
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the artefacts with the underbracket documentation example at low and high resolutions, then compare the PNG, PDF, and SVG output. Trace the assembled-glyph rendering path for stretch, lr, and underbrace; done means the visible connection artefacts are removed across the reported output formats and resolutions.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- computer-graphics
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100