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Fonts: kerning kept packed and unexpanded, faster cmap, hmtx and subsetting, valid subset checksums, a versioned font state for caches - #47

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serpentblade wants to merge 6 commits into

dskripchenko:mainfrom

One-Learning-Community:perf/font-loading

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Fonts: kerning kept packed and unexpanded, faster cmap, hmtx and subsetting, valid subset checksums, a versioned font state for caches#47
serpentblade wants to merge 6 commits into
dskripchenko:mainfrom
One-Learning-Community:perf/font-loading

Commits on Oct 21, 2026
- perf(ttf): read cmap and hmtx with one unpack per array
  
  serpentblade
  and
  claude
  committed
  da88b8a
- perf(gpos): keep kerning packed, class subtables as classes
  
  serpentblade
  and
  claude
  committed
  96978a6
- fix(subset): set checkSumAdjustment for the subset, not the source font
  
  serpentblade
  and
  claude
  committed
  e34c869
- perf(subset): sum table checksums from one unpack
  
  serpentblade
  and
  claude
  committed
  cc6b9ef
- feat(font): PdfFont::$compressionLevel for embedded font bodies
  
  serpentblade
  and
  claude
  committed
  18e5c82
Commits on Oct 22, 2026
- feat(ttf): TtfFile::exportState()/fromState() with a format version
  
  serpentblade
  and
  claude
  committed
  d440f34