curioustorvald/Terrarum-sans-bitmap
1
0
Fork 0
mirror of https://github.com/curioustorvald/Terrarum-sans-bitmap.git synced 2026-03-14 15:06:07 +09:00
Code Issues Packages Projects Releases Wiki Activity

very crude kerning impl for Ys and Ts and AV-VA pairs

Browse Source
This commit is contained in:
minjaesong
2020-04-14 23:56:08 +09:00
parent e5d04de250
commit 4556a9e244
6 changed files with 38 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
src/net/torvald/terrarumsansbitmap/gdx/GameFontBase.kt
View File

@@ -1207,13 +1207,37 @@ for c in s:
}
}
private fun getKerning(prevChar: CodePoint, thisChar: CodePoint): Int {
return if (prevChar in lowHeightLetters) {
return if (thisChar in kernTees) kernTee // lh - T
else if (thisChar in kernYees) kernYee // lh - Y
else 0
}
else if (prevChar in kernTees) {
return if (thisChar in lowHeightLetters) kernTee // T - lh
else 0
}
else if (prevChar in kernYees) {
return if (thisChar in lowHeightLetters) kernYee // Y - lh
else 0
}
else if (prevChar in kernAyes) {
return if (thisChar in kernVees) kernAV // A - V
else 0
}
else if (prevChar in kernVees) {
return if (thisChar in kernAyes) kernAV // V - A
else 0
}
else 0
}
/**
* posXbuffer's size is greater than the string, last element marks the width of entire string.
*/
private fun buildWidthAndPosBuffers(str: CodepointSequence): Pair<IntArray, IntArray> {
val posXbuffer = IntArray(str.size + 1, { 0 })
val posYbuffer = IntArray(str.size, { 0 })
val posXbuffer = IntArray(str.size + 1) { 0 }
val posYbuffer = IntArray(str.size) { 0 }
var nonDiacriticCounter = 0 // index of last instance of non-diacritic char
@@ -1237,6 +1261,7 @@ for c in s:
val thisProp = glyphProps[thisChar] ?: nullProp
val lastNonDiacriticChar = str[nonDiacriticCounter]
val itsProp = glyphProps[lastNonDiacriticChar] ?: nullProp
val kerning = getKerning(lastNonDiacriticChar, thisChar)
//println("char: ${thisChar.charInfo()}\nproperties: $thisProp")
@@ -1259,11 +1284,11 @@ for c in s:
else if (!thisProp.writeOnTop) {
posXbuffer[charIndex] = when (itsProp.alignWhere) {
GlyphProps.ALIGN_RIGHT ->
posXbuffer[nonDiacriticCounter] + W_VAR_INIT + alignmentOffset + interchar
posXbuffer[nonDiacriticCounter] + W_VAR_INIT + alignmentOffset + interchar + kerning
GlyphProps.ALIGN_CENTRE ->
posXbuffer[nonDiacriticCounter] + HALF_VAR_INIT + itsProp.width + alignmentOffset + interchar
posXbuffer[nonDiacriticCounter] + HALF_VAR_INIT + itsProp.width + alignmentOffset + interchar + kerning
else ->
posXbuffer[nonDiacriticCounter] + itsProp.width + alignmentOffset + interchar
posXbuffer[nonDiacriticCounter] + itsProp.width + alignmentOffset + interchar + kerning
}