curioustorvald/Terrarum-sans-bitmap
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hopefully normalising malformed hangul IPF coding

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This commit is contained in:
minjaesong
2021-10-22 17:50:52 +09:00
parent f1fa98880f
commit 58ce18f981
1 changed files with 44 additions and 2 deletions
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46
src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt
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@@ -1002,6 +1002,7 @@ class GameFontBase(
var i = 0
while (i < this.size) {
val c = this[i]
val cPrev = this.getOrElse(i-1) { -1 }
// LET THE NORMALISATION BEGIN //
@@ -1039,11 +1040,49 @@ class GameFontBase(
else if (c in 0x3300..0x33FF) {
seq.add(0x7F) // fuck them
}
// add filler to malformed Hangul Initial-Peak-Final
else if (isHangul(c) && !isHangulCompat(c)) {
// possible cases
// IPF: hangul on the sequence
// i: HCF, p: HJF, x: non-hangul
// +cPrev
// v >$<: c
// I >I< -> I p I
// I >F< -> I p F
// I >x< -> I p x
// P >P< -> P i P
// F >P< -> F i P
// F >F< -> F ip F
// x >P< -> x i P
// x >F< -> x ip F
if (isHangulChoseong(cPrev) && (isHangulChoseong(c) || isHangulJongseong(c) || !isHangul(c))) {
seq.add(HJF)
}
else if (isHangulJungseong(cPrev) && isHangulJungseong(c)) {
seq.add(HCF)
}
else if (isHangulJongseong(cPrev)) {
if (isHangulJungseong(c)) seq.add(HCF)
else if (isHangulJongseong(c)) { seq.add(HCF); seq.add(HJF) }
}
else if (!isHangul(cPrev)) {
if (isHangulJungseong(c)) seq.add(HCF)
else if (isHangulJongseong(c)) { seq.add(HCF); seq.add(HJF) }
}
seq.add(c)
}
// rearrange {letter, before-and-after diacritics} as {letter, before-diacritics, after-diacritics}
// {letter, before-diacritics} part will be dealt with swapping code below
// DOES NOT WORK if said diacritics has codepoint > 0xFFFF
else if (i < this.lastIndex && this[i + 1] <= 0xFFFF &&
glyphProps[this[i + 1].toInt()]?.stackWhere == GlyphProps.STACK_BEFORE_N_AFTER) {
glyphProps[this[i + 1]]?.stackWhere == GlyphProps.STACK_BEFORE_N_AFTER) {
val diacriticsProp = glyphProps[this[i + 1]]!!
seq.add(c)
seq.add(diacriticsProp.extInfo!![0])
@@ -1311,6 +1350,9 @@ class GameFontBase(
}
companion object {
private val HCF = 0x115F
private val HJF = 0x1160
internal val JUNG_COUNT = 21
internal val JONG_COUNT = 28
@@ -1585,7 +1627,7 @@ class GameFontBase(
// END Hangul //
private fun isHangul(c: CodePoint) = c in codeRange[SHEET_HANGUL] || c in 0x3130..0x318F
private fun isHangul(c: CodePoint) = c in codeRange[SHEET_HANGUL] || c in codeRangeHangulCompat
private fun isAscii(c: CodePoint) = c in codeRange[SHEET_ASCII_VARW]
private fun isRunic(c: CodePoint) = c in codeRange[SHEET_RUNIC]
private fun isExtA(c: CodePoint) = c in codeRange[SHEET_EXTA_VARW]