curioustorvald/Terrarum-sans-bitmap
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these glyphs are killing me :(

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minjaesong
2022-01-19 16:50:29 +09:00
parent 4c0582184f
commit 3b05624de5
5 changed files with 21 additions and 18 deletions
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28
src/net/torvald/terrarumsansbitmap/gdx/TerrarumSansBitmap.kt
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@@ -1714,7 +1714,8 @@ class TerrarumSansBitmap(
private val devanagariBaseConsonants = 0x0915..0x0939
private val devanagariBaseConsonantsWithNukta = 0x0958..0x095F
private val devanagariBaseConsonantsExtended = 0x0978..0x097F
private val devanagariPresentationFormsConsonants = 0xF0140..0xF01FF
private val devanagariPresentationConsonants = 0xF0140..0xF01FF
private val devanagariPresentationConsonantsWithRa = 0xF0140..0xF017F
private val DEVANAGARI_VIRAMA = 0x94D
private val DEVANAGARI_RA = 0x930
@@ -1739,6 +1740,7 @@ class TerrarumSansBitmap(
private val DEVANAGARI_LIG_K_SS = 0xF0181
private val DEVANAGARI_LIG_J_NY = 0xF0184
private val DEVANAGARI_LIG_T_T = 0xF018B
private val DEVANAGARI_LIG_T_R = 0xF0154
private val DEVANAGARI_LIG_SH_R = 0xF0166
@@ -1749,8 +1751,9 @@ class TerrarumSansBitmap(
private val DEVANAGARI_HALFLIG_K_SS = 0xF012B
private val DEVANAGARI_HALFLIG_J_NY = 0xF012C
private val DEVANAGARI_HALFLIG_T_T = 0xF012D
private val DEVANAGARI_HALFLIG_T_R = 0xF012E
private val DEVANAGARI_HALFLIG_SH_R = 0xF012F
// private val DEVANAGARI_HALFLIG_T_R = 0xF012E
// private val DEVANAGARI_HALFLIG_SH_R = 0xF012F
private val DEVANAGARI_HALF_FORMS = 0xF0100 // starting point for Devanagari half forms
private val DEVANAGARI_LIG_X_R = 0xF0140 // starting point for Devanagari ligature CONSONANT+RA
@@ -1758,19 +1761,18 @@ class TerrarumSansBitmap(
private fun CodePoint.toHalfFormOrNull(): CodePoint? {
if (this in devanagariBaseConsonants) return (this - 0x0910 + DEVANAGARI_HALF_FORMS)
if (this in devanagariBaseConsonantsWithNukta) return (this - 0x0920 + DEVANAGARI_HALF_FORMS)
else if (this == DEVANAGARI_LIG_K_SS) return DEVANAGARI_HALFLIG_K_SS
else if (this == DEVANAGARI_LIG_J_NY) return DEVANAGARI_HALFLIG_J_NY
else if (this == DEVANAGARI_LIG_T_T) return DEVANAGARI_HALFLIG_T_T
else if (this == DEVANAGARI_LIG_T_R) return DEVANAGARI_HALFLIG_T_R
else if (this == DEVANAGARI_LIG_SH_R) return DEVANAGARI_HALFLIG_SH_R
// TODO half forms of X_R-ligatures
else return null
if (this in devanagariPresentationConsonantsWithRa) return this + 0x80
if (this == DEVANAGARI_LIG_K_SS) return DEVANAGARI_HALFLIG_K_SS
if (this == DEVANAGARI_LIG_J_NY) return DEVANAGARI_HALFLIG_J_NY
if (this == DEVANAGARI_LIG_T_T) return DEVANAGARI_HALFLIG_T_T
return null
}
// TODO use proper version of Virama for respective scripts
private fun CodePoint.toHalfFormOrVirama(): List<CodePoint> = this.toHalfFormOrNull().let {
if (it == null) listOf(this, DEVANAGARI_VIRAMA) else listOf(it)
}
// println("[TerrarumSansBitmap] toHalfForm ${this.charInfo()} = ${it?.charInfo()}")
if (it == null) listOf(this, DEVANAGARI_VIRAMA) else listOf(it)
}
// TODO use proper version of Virama for respective scripts
private fun toRaAppended(c: CodePoint): List<CodePoint> {
@@ -1782,7 +1784,7 @@ class TerrarumSansBitmap(
}
private fun ligateIndicConsonants(c1: CodePoint, c2: CodePoint): List<CodePoint> {
println("[TerrarumSansBitmap] Indic ligation ${c1.charInfo()} - ${c2.charInfo()}")
// println("[TerrarumSansBitmap] Indic ligation ${c1.charInfo()} - ${c2.charInfo()}")
if (c2 == DEVANAGARI_RA) return toRaAppended(c1) // Devanagari @.RA
when (c1) {
0x0915 -> /* Devanagari KA */ when (c2) {