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btex: typesetting toc

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This commit is contained in:
minjaesong
2024-04-26 19:53:23 +09:00
parent f16944d000
commit 6264e0d963
3 changed files with 82 additions and 26 deletions
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21
src/net/torvald/btex/BTeXDocument.kt
View File

@@ -34,7 +34,7 @@ class BTeXDocument {
val DEFAULT_PAGE_FORE = Color(0x151110ff)
}
private val pages = ArrayList<BTeXPage>()
internal val pages = ArrayList<BTeXPage>()
val currentPage: Int
get() = pages.size - 1
@@ -45,11 +45,16 @@ class BTeXDocument {
val pageIndices: IntRange
get() = pages.indices
var currentLine: Int = 0
val linesOnPage = ArrayList<Int>()
fun addNewPage(back: Color = DEFAULT_PAGE_BACK) {
pages.add(BTeXPage(back, pageWidth, pageHeight))
currentLine = 0
linesOnPage.add(0)
}
fun addNewPageAt(index: Int, back: Color = DEFAULT_PAGE_BACK) {
pages.add(index, BTeXPage(back, pageWidth, pageHeight))
linesOnPage.add(index, 0)
}
/**
@@ -60,7 +65,15 @@ class BTeXDocument {
*/
fun appendDrawCall(drawCall: BTeXDrawCall) {
pages.last().appendDrawCall(drawCall)
currentLine += drawCall.lineCount
linesOnPage[linesOnPage.lastIndex] += drawCall.lineCount
}
fun appendDrawCall(page: BTeXPage, drawCall: BTeXDrawCall) {
page.appendDrawCall(drawCall)
val pagenum = pages.indexOf(page)
linesOnPage[pagenum] += drawCall.lineCount
}
fun render(frameDelta: Float, batch: SpriteBatch, page: Int, x: Int, y: Int) {

85
src/net/torvald/btex/BTeXParser.kt
View File

@@ -89,9 +89,11 @@ object BTeXParser {
private var lastTagAtDepth = Array(24) { "" }
private var pTagCntAtDepth = IntArray(24)
private data class CptSectInfo(val type: String, var name: String, var pagenum: Int)
private val indexMap = HashMap<String, Int>() // id to pagenum
private val cptSectMap = ArrayList<Triple<String, String, Int>>() // type ("chapter", "section"), name, pagenum in zero-based index
private var tocPage: BTeXPage? = null
private val cptSectMap = ArrayList<CptSectInfo>()
private var tocPage: Int? = null
init {
BTeXHandler::class.declaredFunctions.filter { it.findAnnotation<OpenTag>() != null }.forEach {
@@ -524,10 +526,7 @@ object BTeXParser {
@OpenTag // reflective access is impossible with 'private'
fun processElemTABLEOFCONTENTS(handler: BTeXHandler, doc: BTeXDocument, theTag: String, uri: String, attribs: HashMap<String, String>, siblingIndex: Int) {
tocPage = doc.currentPageObj
handler.paragraphBuffer.clear()
typesetParagraphs("// TODO", handler)
tocPage = doc.currentPage
handler.paragraphBuffer.clear()
}
@@ -536,15 +535,12 @@ object BTeXParser {
handler.paragraphBuffer.clear()
// prepare contents
val par = ArrayList<String>()
val pageWidth = doc.textWidth
indexMap.keys.toList().sorted().forEach { key ->
val pageNum = indexMap[key]!!.plus(1).toString()
val pageNumWidth = getFont().getWidth(pageNum)
println("pageWidth=$pageWidth, pageNum=$pageNum, pageNumWidth=$pageNumWidth")
typesetParagraphs(key, handler).let {
it.last().let { call ->
call.extraDrawFun = { batch, x, y ->
@@ -576,6 +572,52 @@ object BTeXParser {
@CloseTag
fun closeElemMANUSCRIPT(handler: BTeXHandler, doc: BTeXDocument, theTag: String, uri: String, siblingIndex: Int) {
// if tocPage != null, estimate TOC page size, renumber indexMap and cptSectMap if needed, then typeset the toc
if (tocPage != null) {
// TODO estimate the number of TOC pages
var tocSizeInPages = 1
// TODO //
// renumber things
if (tocSizeInPages > 1) {
val pageDelta = tocSizeInPages - 1
indexMap.keys.forEach {
indexMap[it] = indexMap[it]!! + pageDelta
}
cptSectMap.forEach {
it.pagenum += pageDelta
}
// insert new pages
repeat(pageDelta) {
doc.addNewPageAt(tocPage!! + 1)
}
}
cptSectMap.forEach { (type, name, pg) ->
val pageNum = pg.plus(1).toString()
val pageNumWidth = getFont().getWidth(pageNum)
val key = if (type == "section") "\u3000$name" else name
typesetParagraphs(key, handler, startingPage = tocPage!!).let {
it.last().let { call ->
call.extraDrawFun = { batch, x, y ->
val font = getFont()
val dotGap = 10
var dotCursor = (x + call.width + dotGap/2).div(dotGap).ceilToFloat() * dotGap
while (dotCursor < x + pageWidth - pageNumWidth - dotGap/2) {
font.draw(batch, "·", dotCursor, y)
dotCursor += dotGap
}
font.draw(batch, pageNum, x + pageWidth - pageNumWidth.toFloat(), y)
}
}
}
}
}
}
@OpenTag // reflective access is impossible with 'private'
@@ -655,19 +697,19 @@ object BTeXParser {
val thePar = handler.paragraphBuffer.toString().trim()
typesetChapterHeading(thePar, handler, 16)
cptSectMap.add(Triple("chapter", thePar, doc.currentPage))
cptSectMap.add(CptSectInfo("chapter", thePar, doc.currentPage))
handler.paragraphBuffer.clear()
}
@CloseTag // reflective access is impossible with 'private'
fun closeElemSECTION(handler: BTeXHandler, doc: BTeXDocument, theTag: String, uri: String, siblingIndex: Int) {
// if current line is the last line, proceed to the next page
if (doc.currentLine == doc.pageLines - 1) doc.addNewPage()
if (doc.linesOnPage.last() == doc.pageLines - 1) doc.addNewPage()
val thePar = handler.paragraphBuffer.toString().trim()
typesetSectionHeading(thePar, handler, 8)
cptSectMap.add(Triple("section", thePar, doc.currentPage))
cptSectMap.add(CptSectInfo("section", thePar, doc.currentPage))
handler.paragraphBuffer.clear()
}
@@ -711,13 +753,14 @@ object BTeXParser {
}
}
private fun typesetParagraphs(thePar: String, handler: BTeXHandler, width: Int = doc.textWidth): List<BTeXDrawCall> {
private fun typesetParagraphs(thePar: String, handler: BTeXHandler, width: Int = doc.textWidth, startingPage: Int = doc.currentPage): List<BTeXDrawCall> {
val font = getFont()
val slugs = MovableType(font, thePar, width)
var pageNum = startingPage
val drawCalls = ArrayList<BTeXDrawCall>()
var remainder = doc.pageLines - doc.currentLine
var remainder = doc.pageLines - doc.linesOnPage.last()
var slugHeight = slugs.height
var linesOut = 0
@@ -728,18 +771,18 @@ object BTeXParser {
val drawCall = BTeXDrawCall(
0,
doc.currentLine * doc.lineHeightInPx,
doc.linesOnPage[pageNum] * doc.lineHeightInPx,
handler.currentTheme,
handler.getSpanColour(),
MovableTypeDrawCall(slugs, subset.first, subset.second)
)
doc.appendDrawCall(drawCall); drawCalls.add(drawCall)
doc.appendDrawCall(doc.pages[pageNum], drawCall); drawCalls.add(drawCall)
linesOut += remainder
slugHeight -= remainder
doc.addNewPage()
doc.addNewPage(); pageNum += 1
}
while (slugHeight > 0) {
@@ -749,24 +792,24 @@ object BTeXParser {
val drawCall = BTeXDrawCall(
0,
doc.currentLine * doc.lineHeightInPx,
doc.linesOnPage[pageNum] * doc.lineHeightInPx,
handler.currentTheme,
handler.getSpanColour(),
MovableTypeDrawCall(slugs, subset.first, subset.second)
)
doc.appendDrawCall(drawCall); drawCalls.add(drawCall)
doc.appendDrawCall(doc.pages[pageNum], drawCall); drawCalls.add(drawCall)
linesOut += remainder
slugHeight -= remainder
if (remainder == doc.pageLines) {
doc.addNewPage()
doc.addNewPage(); pageNum += 1
}
}
// if typesetting the paragraph leaves the first line of new page empty, move the "row cursor" back up
if (doc.currentLine == 1 && doc.currentPageObj.isEmpty()) doc.currentLine = 0 // '\n' adds empty draw call to the page, which makes isEmpty() to return false
if (doc.linesOnPage[pageNum] == 1 && doc.pages[pageNum].isEmpty()) doc.linesOnPage[pageNum] = 0 // '\n' adds empty draw call to the page, which makes isEmpty() to return false
return drawCalls
}

2
src/net/torvald/terrarum/modulebasegame/ui/UICrafting.kt
View File

@@ -67,7 +67,7 @@ class UICrafting(val full: UIInventoryFull?) : UICanvas(
UIInventoryFull.drawBackground(batch, opacity)
}
// uiItems.forEach { it.render(frameDelta, batch, camera) }
uiItems.forEach { it.render(frameDelta, batch, camera) }
}
override fun dispose() {