dotCooCoo 46c9f922c2 Type: a document draws only its own composite font definitions ...

While a document's composite fonts are lent, type naming a composite font
the document does not define is set as in a missing font, even when the
front document or the document a placed document sits in defines one of
that name. A document that defines no composite font gets an empty scope
too, so a document in the back, a tiled window, a thumbnail or an export
made while another document is in front no longer borrows the front
document's definitions. A temporary document drawn while a document draws
keeps that document's fonts, and type laid out with nothing lent still uses
the registered ones.

- FontDb::composite_font looks only in the latest loan of the database.
- lend_composite_fonts lends an empty set at the top level when the
  database holds composite fonts; lend_document_composite_fonts also lends
  one inside another loan, for placed documents, back-document measuring
  and threaded reflow on open.
- A loan that leaves out a registered font gets its own generation, so
  layouts made with that font are not reused under it.

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..

examples

Robustness: VectorCraft never crashes — no panics in shipped code

2026-10-05 06:28:59 +07:00

src

Type: a document draws only its own composite font definitions

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tests

Tests: envelope ink tests set type in a test face and check its outlines

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Cargo.toml

Type: lam-alef highlight follow-up: optional features, all marks, exact ligature test (#394)

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