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shla conjunct

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minjaesong
2026-02-26 10:24:31 +09:00
parent 982fb94828
commit 80b67a3886
2 changed files with 18 additions and 0 deletions
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OTFbuild/calligra_font_tests.odt
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OTFbuild/opentype_features.py
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@@ -748,6 +748,24 @@ def _generate_devanagari(glyphs, has, replacewith_subs=None):
)
features.append(rphf_code)
# --- pres: alternate half-SHA before LA ---
# SHA+virama+LA uses a special half-SHA form (uF010F) instead of the
# regular half form (uF0251). half has already run at this point.
ALT_HALF_SHA = 0xF010F
half_sha = SC.to_deva_internal(0x0936) + 240 # 0xF0251
la_int = SC.to_deva_internal(0x0932) # 0xF015D
if has(half_sha) and has(la_int) and has(ALT_HALF_SHA):
pres_lines = []
pres_lines.append(f"lookup AltHalfSha {{")
pres_lines.append(f" sub {glyph_name(half_sha)} by {glyph_name(ALT_HALF_SHA)};")
pres_lines.append(f"}} AltHalfSha;")
pres_lines.append("")
pres_lines.append("feature pres {")
pres_lines.append(" script dev2;")
pres_lines.append(f" sub {glyph_name(half_sha)}' lookup AltHalfSha {glyph_name(la_int)};")
pres_lines.append("} pres;")
features.append('\n'.join(pres_lines))
# --- abvs: complex reph substitution ---
# The Kotlin engine uses complex reph (U+F010D) when a
# devanagariSuperscript mark precedes reph, or any vowel matra