alonso.torres f5cdde356d 🐛 Attach horizontal annotations to the ideographic em box ...

Zhuyin, Pinyin and emphasis marks over horizontal text were placed
against an em box bottom-aligned to Skia's tight glyph rect, which spans
the hhea ascent and descent. In CJK faces the descent reaches past the
em box, so Zhuyin columns sat about 0.17 em below their base, and over
annotations relied on a hand-tuned clearance.

Place them against the ideographic em box (OS/2 typo metrics) of the
font that shaped each base, centred on the line baseline, the same
metrics vertical text uses for upright glyphs.

AI-assisted-by: claude-opus-5-5

2026-11-05 17:49:00 +01:00

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emphasis.rs

🐛 Attach horizontal annotations to the ideographic em box

2026-11-05 17:49:00 +01:00

justify.rs

✨ Add distributed text alignment and preserve fractional line spacing

2026-11-05 17:49:00 +01:00

mod.rs

🐛 Attach horizontal annotations to the ideographic em box

2026-11-05 17:49:00 +01:00

offsets.rs

🐛 Preserve emphasis across adjacent ruby spans

2026-11-05 17:48:59 +01:00

overflow.rs

✨ Add distributed text alignment and preserve fractional line spacing

2026-11-05 17:49:00 +01:00

ruby.rs

🐛 Attach horizontal annotations to the ideographic em box

2026-11-05 17:49:00 +01:00

tests.rs

🐛 Attach horizontal annotations to the ideographic em box

2026-11-05 17:49:00 +01:00

warichu.rs

✨ Add distributed text alignment and preserve fractional line spacing

2026-11-05 17:49:00 +01:00