curioustorvald/Terrarum-sans-bitmap
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fix: font scaling and interchar would cause typesetting to fail

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minjaesong
2024-05-01 02:08:38 +09:00
parent 2d99f39a99
commit a719d872c2
1 changed files with 12 additions and 8 deletions
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20
src/net/torvald/terrarumsansbitmap/MovableType.kt
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@@ -9,6 +9,7 @@ import net.torvald.terrarumsansbitmap.gdx.TerrarumSansBitmap
import net.torvald.terrarumsansbitmap.gdx.TerrarumSansBitmap.Companion.getHash
import java.lang.Math.pow
import kotlin.math.*
import kotlin.properties.Delegates
/**
* Despite "CJK" texts needing their own typesetting rule, in this code Korean texts are typesetted much like
@@ -20,7 +21,7 @@ import kotlin.math.*
class MovableType(
val font: TerrarumSansBitmap,
val inputText: CodepointSequence,
paperWidth: Int,
textWidth: Int,
internal val isNull: Boolean = false
): Disposable {
@@ -40,8 +41,11 @@ class MovableType(
}
}
private var paperWidth by Delegates.notNull<Int>()
// perform typesetting
init { if (inputText.isNotEmpty() && !isNull) {
paperWidth = textWidth / font.scale
if (paperWidth < 100) throw IllegalArgumentException("Width too narrow; width must be at least 100 pixels (got $paperWidth)")
// println("Paper width: $paperWidth")
@@ -68,7 +72,7 @@ class MovableType(
}
fun dispatchSlug() {
// typesettedSlugs.add(slug)
typesettedSlugs.add(slug.freezeIntoCodepointSequence())
typesettedSlugs.add(slug.freezeIntoCodepointSequence(font))
slug = ArrayList()
slugWidth = 0
@@ -742,8 +746,8 @@ class MovableType(
// priority: 1st split, 2nd hyphenate
val splitPoint = splitCandidates.minByOrNull { (font.getWidth(CodepointSequence(this.slice(0..it))) - optimalCuttingPointInPx).absoluteValue }
val hyphPoint = hyphenateCandidates.minByOrNull { (font.getWidth(CodepointSequence(this.slice(0..it))) - optimalCuttingPointInPx).absoluteValue }
val splitPoint = splitCandidates.minByOrNull { (font.getWidthNormalised(CodepointSequence(this.slice(0..it))).div(font.scale) - optimalCuttingPointInPx).absoluteValue }
val hyphPoint = hyphenateCandidates.minByOrNull { (font.getWidthNormalised(CodepointSequence(this.slice(0..it))).div(font.scale) - optimalCuttingPointInPx).absoluteValue }
// println("hyphPoint = $hyphPoint")
@@ -771,7 +775,7 @@ class MovableType(
CodepointSequence(it)
}
println("hyph return: ${fore.toReadable()} ${post.toReadable()}")
// println("hyph return: ${fore.toReadable()} ${post.toReadable()}")
return returnWithCC(fore, post)
}
@@ -894,7 +898,7 @@ class MovableType(
return tokens
}
private fun List<Block>.freezeIntoCodepointSequence(): CodepointSequence {
private fun List<Block>.freezeIntoCodepointSequence(font: TerrarumSansBitmap): CodepointSequence {
val out = CodepointSequence()
val input = this.filter { it.block.text.isNotGlue() }
@@ -915,7 +919,7 @@ class MovableType(
// process blocks
input.forEachIndexed { index, it ->
val posX = it.posX + 1
val posX = it.posX + 1 - font.interchar * 2
val prevEndPos = if (index == 0) 0 else input[index-1].getEndPos()
if (index > 0 && posX != prevEndPos) {
out.addAll((posX - prevEndPos).glueSizeToGlueChars())
@@ -934,7 +938,7 @@ class MovableType(
}
private fun createGlyphLayout(font: TerrarumSansBitmap, str: CodepointSequence): NoTexGlyphLayout {
return NoTexGlyphLayout(str, font.getWidth(str))
return NoTexGlyphLayout(str, font.getWidthNormalised(str).div(font.scale))
}
} // end of companion object
}