curioustorvald/Terrarum-sans-bitmap
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a hack was added

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This commit is contained in:
minjaesong
2026-03-01 10:59:44 +09:00
parent 95fafe51a9
commit b0391e5d80
2 changed files with 21 additions and 5 deletions
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19
OTFbuild/opentype_features.py
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@@ -1197,7 +1197,7 @@ def _generate_psts_anusvara(glyphs, has, conjuncts):
)
# Direct predecessor triggers
for cp in [0x093E, 0x0948, 0x094C, 0x094F]:
for cp in [0x093A, 0x093E, 0x0948, 0x094C, 0x094F]:
if has(cp):
body.append(
f" sub {glyph_name(cp)}"
@@ -1537,10 +1537,13 @@ def _generate_anusvara_gpos(glyphs, has):
shift3_triggers = [cp for cp in [0x094F, SC.DEVANAGARI_RA_SUPER_COMPLEX]
if has(cp)]
# +2px triggers: uni0948, uni094C, simple reph
shift2_triggers = [cp for cp in [0x093A, 0x0948, 0x094C, SC.DEVANAGARI_RA_SUPER]
shift2_triggers = [cp for cp in [0x0948, 0x094C, SC.DEVANAGARI_RA_SUPER]
if has(cp)]
if not shift3_triggers and not shift2_triggers:
shift2_up2_triggers = [cp for cp in [0x093A]
if has(cp)]
if not shift3_triggers and not shift2_triggers and not shift2_up2_triggers:
return ""
lines = []
@@ -1550,6 +1553,11 @@ def _generate_anusvara_gpos(glyphs, has):
lines.append(f" pos {glyph_name(anusvara_lower)} <100 0 0 0>;")
lines.append(f"}} AnusvaraShift2;")
if shift2_up2_triggers:
lines.append(f"lookup AnusvaraShift2Up2 {{")
lines.append(f" pos {glyph_name(anusvara_lower)} <100 100 0 0>;") # float up by two pixels. This is a hack
lines.append(f"}} AnusvaraShift2Up2;")
if shift3_triggers:
lines.append(f"lookup AnusvaraShift3 {{")
lines.append(f" pos {glyph_name(anusvara_lower)} <150 0 0 0>;")
@@ -1568,6 +1576,11 @@ def _generate_anusvara_gpos(glyphs, has):
f" pos {glyph_name(cp)}"
f" {glyph_name(anusvara_lower)}' lookup AnusvaraShift2;"
)
for cp in shift2_up2_triggers:
lines.append(
f" pos {glyph_name(cp)}"
f" {glyph_name(anusvara_lower)}' lookup AnusvaraShift2Up2;"
)
lines.append("} abvm;")
return '\n'.join(lines)

7
src/net/torvald/terrarumsansbitmap/gdx/TerrarumSansBitmap.kt
View File

@@ -1258,8 +1258,11 @@ class TerrarumSansBitmap(
val effectivePrev = if (hasReph) str.getOrElse(charIndex - 2) { -1 } else prev
if (effectivePrev == 0x094F || hasComplexReph) {
posXbuffer[charIndex] += 3
} else if (effectivePrev in intArrayOf(0x093A, 0x0948, 0x094C) || hasSimpleReph) {
} else if (effectivePrev in intArrayOf(0x0948, 0x094C) || hasSimpleReph) {
posXbuffer[charIndex] += 2
} else if (effectivePrev == 0x093A) {
posXbuffer[charIndex] += 2
posYbuffer[charIndex] += 2 // float up by two pixels. This is a hack
}
}
@@ -1896,7 +1899,7 @@ class TerrarumSansBitmap(
// 094E (prishthamatra) is reordered before the consonant cluster,
// so scan backward to find it
val hasPrishthamatra = (1..5).any { j -> seq4.getOrElse(i - j) { -1 } == 0x094E }
if (effectivePrev in intArrayOf(0x093E, 0x0948, 0x094C, 0x094F) || hasPrishthamatra || hasReph) {
if (effectivePrev in intArrayOf(0x093A, 0x093E, 0x0948, 0x094C, 0x094F) || hasPrishthamatra || hasReph) {
seq4[i] = DEVANAGARI_ANUSVARA_LOWER
}
}