3.1 afm width table and text measurement #11

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opened 2026-08-18 10:21:32 +01:00 by Bolt · 0 comments

Bolt commented

2026-08-18 10:21:32 +01:00

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Proof:

the bundled Helvetica base-14 width table measures advances that match pdf-lib's own
measurement is pure functions, runnable in node with no canvas shim
a text mark's box is measured advance by fontSize * lineHeight, and the baseline is computed once here

Satisfies: decisions 12, 20

Proof: - the bundled Helvetica base-14 width table measures advances that match pdf-lib's own - measurement is pure functions, runnable in node with no canvas shim - a text mark's box is measured advance by fontSize * lineHeight, and the baseline is computed once here Satisfies: decisions 12, 20

Bolt added this to the M3 layout engine milestone

2026-08-18 10:21:32 +01:00

Bolt added the

core

label

2026-08-18 10:21:32 +01:00

Bolt referenced this issue

2026-08-18 10:22:33 +01:00

V1 build order and coverage #25

Bolt referenced this issue from a commit

2026-08-18 13:05:55 +01:00

feat(layout): measure text from the bundled helvetica width table