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Feature/mark to base attachment positioning #4

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merged 16 commits into from
Nov 28, 2023

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@Connum Connum commented Nov 28, 2023

- added GPOS LookupType 4 parser for MarkBasePosFormat1 support
- added GPOS LookupType 9 parser for Extension Positioning SubtableFormat1 support
- tests coverage for all supported and not supported lookups of GPOS

TODO: Add a support device offsets for anchor (Parser.anchor) table format 3.
- introduced an union, ordered features lookup list
- refactored the Font options features update method
- supported kerning table
- supported kern lookup table
- supported mark to base attachments
- fix for kern sequence
- tests coverage
# Conflicts:
#	src/font.js
#	test/layout.js
…onFormat1

- substitution algorithm to match specficiation (lookup - apply - lookup - apply)
- added support for multiSubstitutionFormat1 substitutions
- updated applySubstitution method for more flexibility
- tests coverage
@Connum Connum merged commit 09ce9ac into Connum:main Nov 28, 2023
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2 participants