linebender / linebender/resvg

Text shaping across tspan

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Dominant language
Rust
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Description

|svg|ink|resvg|rsvg|
|-|-|-|-|
|![svg](https://upload.wikimedia.org/wikipedia/commons/b/b9/Fonttest-Kerning.svg)|![Fonttest-Kerning](https://user-images.githubusercontent.com/15687581/75585765-25321700-5a73-11ea-88b5-485f68a7fbd9.png)|![Fonttest-Kerning_re](https://user-images.githubusercontent.com/15687581/75585774-295e3480-5a73-11ea-9251-6c73a2b2bbae.png)|![Fonttest-Kerning_r](https://user-images.githubusercontent.com/15687581/75585780-2c592500-5a73-11ea-9122-8ad03e484269.png)|

imho text kerning should be identical to inkscape

source: https://commons.wikimedia.org/wiki/File:Fonttest-Kerning.svg

author Hk kng

license Public Domain

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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 by reproducing the rendering of the linked Fonttest-Kerning.svg source and comparing resvg with Inkscape. Then trace the text-shaping path for text spanning tspan elements; done means kerning and text shaping match the expected reference rendering across the reported example.

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
Needs clarification
Newbie friendliness
30/100

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