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fix: hangul filler not working on OTF

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minjaesong
2026-03-02 14:12:43 +09:00
parent c299aa8d50
commit c8b197ec01
4 changed files with 12 additions and 1 deletions
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10
OTFbuild/hangul.py
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@@ -124,6 +124,16 @@ def compose_hangul(assets_dir) -> Dict[int, ExtractedGlyph]:
result[pua] = ExtractedGlyph(pua, GlyphProps(width=w), bm)
variant_count += 1
# Ensure jungseong filler PUA variants exist (col=0, rows 15-16).
# The filler has an empty bitmap so extract_hangul_jamo_variants skips
# it, but the vjmo GSUB lookup needs a PUA target to substitute to.
empty_bm = [[0] * cell_w for _ in range(cell_h)]
for row in [15, 16]:
pua = _pua_for_jamo_variant(0, row)
if pua not in result:
result[pua] = ExtractedGlyph(pua, GlyphProps(width=0), empty_bm)
variant_count += 1
print(f" Stored {variant_count} jamo variant glyphs in PUA (0x{HANGUL_PUA_BASE:05X}+)")
print(f" Total Hangul glyphs: {len(result)}")
return result