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vello: tighten bump estimator accounting#1561

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waywardmonkeys wants to merge 1 commit into
linebender:mainfrom
waywardmonkeys:fix/bump-estimator-review
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vello: tighten bump estimator accounting#1561
waywardmonkeys wants to merge 1 commit into
linebender:mainfrom
waywardmonkeys:fix/bump-estimator-review

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Fix several cases where bump estimation was too optimistic.

  • account for subpath closes correctly
  • estimate LineTo segments from the previous point
  • count round caps and joins more conservatively
  • widen cubic stroke segment estimates
  • fix identity-transform scaling in the estimator
  • add an explicit blurred rounded rect estimator entry point

Fix several cases where bump estimation was too optimistic.

- account for subpath closes correctly
- estimate LineTo segments from the previous point
- count round caps and joins more conservatively
- widen cubic stroke segment estimates
- fix identity-transform scaling in the estimator
- add an explicit blurred rounded rect estimator entry point
@nicoburns nicoburns added the C-classic Applies to the classic `vello` crate label Apr 7, 2026
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C-classic Applies to the classic `vello` crate

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