btex: <a> boxing better detection of hyphenation

This commit is contained in:
minjaesong
2024-05-18 15:21:44 +09:00
parent 6857ab266b
commit 82627a8ab4
3 changed files with 93 additions and 32 deletions

View File

@@ -343,6 +343,24 @@ data class BTeXClickable(
) {
var deltaX = 0
var deltaY = 0
fun debugDrawHitboxToPixmap(pixmap: Pixmap, doc: BTeXDocument) {
pixmap.drawRectangle(
posX - HBPADH + doc.pageMarginH,
posY - HBPADV + doc.pageMarginV,
width + 2 * HBPADH,
doc.lineHeightInPx + 2 * HBPADV
)
}
fun pointInHitbox(doc: BTeXDocument, x: Int, y: Int) =
(x in posX - HBPADH + doc.pageMarginH until posX - HBPADH + doc.pageMarginH + width + 2 * HBPADH &&
y in posY - HBPADV + doc.pageMarginV until posY - HBPADV + doc.pageMarginV + doc.lineHeightInPx + 2 * HBPADV)
companion object {
private const val HBPADH = 0
private const val HBPADV = 1
}
}
class BTeXPage(
@@ -407,7 +425,7 @@ class BTeXPage(
// debug underlines on clickableElements
clickableElements.forEach {
pixmap.setColor(HREF_UNDERLINE)
pixmap.drawRectangle(it.posX + doc.pageMarginH, it.posY + doc.pageMarginV, it.width, doc.lineHeightInPx)
it.debugDrawHitboxToPixmap(pixmap, doc)
}
// print texts

View File

@@ -1653,10 +1653,10 @@ object BTeXParser {
val indexOfSequence = str.indexOfSequence(objSeq)
val theIndex = if (objectIsSplit) -(objSeq.size + 4) else indexOfSequence
val theIndex = if (objectIsSplit) -(objSeq.size) else indexOfSequence
theIndex?.let { index -> // we never know which line the object appears
val wordOffset = index + objSeq.size + 4 // must be index of starting NUL
val wordOffset = index + objSeq.size // must be index of starting NUL
// target word is on the current line
if (wordOffset < str.size) {
var wordEnd = wordOffset + 1 // will be right on the ending NUL
@@ -1724,10 +1724,10 @@ object BTeXParser {
val indexOfSequence = str.indexOfSequence(objSeq)
val theIndex = if (objectIsSplit) -(objSeq.size + 4) else indexOfSequence
val theIndex = if (objectIsSplit) -(objSeq.size) else indexOfSequence
theIndex?.let { index -> // we never know which line the object appears
val wordOffset = index + objSeq.size + 4 // must be index of starting NUL
val wordOffset = index + objSeq.size // must be index of starting NUL
// target word is on the current line
if (wordOffset < str.size) {
var wordEnd = wordOffset + 1 // will be right on the ending NUL
@@ -1735,6 +1735,10 @@ object BTeXParser {
while (!(wordEnd >= str.size || str[wordEnd] == OBJ)) {
wordEnd++
}
// if searching finished without finding OBJ, mark it
val objectIsSplit2 = (wordEnd >= str.size)
// retrieve the actual word
val substr = CodepointSequence(str.subList(wordOffset + 1, wordEnd))
printdbg("2HREF word: ${substr.toReadable()}")
@@ -1748,7 +1752,7 @@ object BTeXParser {
}
doc.appendClickable(doc.pages[pageNum], clickable); clickables.add(clickable)
objectIsSplit = false
objectIsSplit = objectIsSplit2
}
// target word is on the next line (probably)
else {
@@ -2083,7 +2087,11 @@ object BTeXParser {
if (pattern.isEmpty())
throw IllegalArgumentException("Pattern is empty")
if (this.isEmpty())
throw IllegalArgumentException("Pattern is empty")
throw IllegalArgumentException("String is empty")
// pattern cannot exist because the string is shorter than the pattern
if (this.size < pattern.size)
return null
// next[i] stores the index of the next best partial match
val next = IntArray(pattern.size + 1)