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loading and rendering btexbin

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This commit is contained in:
minjaesong
2024-04-29 23:13:26 +09:00
parent bf07a16842
commit 3244ad4a8a
2 changed files with 108 additions and 34 deletions
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93
src/net/torvald/btex/BTeXDocument.kt
View File

@@ -1,10 +1,8 @@
package net.torvald.terrarum.btex
import com.badlogic.gdx.Gdx
import com.badlogic.gdx.graphics.Color
import com.badlogic.gdx.graphics.OrthographicCamera
import com.badlogic.gdx.graphics.Pixmap
import com.badlogic.gdx.graphics.PixmapIO
import com.badlogic.gdx.files.FileHandle
import com.badlogic.gdx.graphics.*
import com.badlogic.gdx.graphics.g2d.SpriteBatch
import com.badlogic.gdx.graphics.g2d.TextureRegion
import com.badlogic.gdx.graphics.glutils.FrameBuffer
@@ -16,9 +14,11 @@ import net.torvald.terrarum.modulecomputers.virtualcomputer.tvd.archivers.Clustf
import net.torvald.terrarum.modulecomputers.virtualcomputer.tvd.archivers.ClustfileOutputStream
import net.torvald.terrarum.serialise.Common
import net.torvald.terrarum.ui.Toolkit
import net.torvald.terrarum.utils.JsonFetcher
import net.torvald.terrarumsansbitmap.MovableType
import net.torvald.terrarumsansbitmap.gdx.CodepointSequence
import java.io.File
import java.io.RandomAccessFile
import java.util.zip.Deflater
/**
@@ -36,7 +36,7 @@ class BTeXDocument : Disposable {
var theEdition = ""
var textWidth = 480
var lineHeightInPx = 24
val lineHeightInPx = 24
var pageLines = 24
val textHeight: Int
get() = pageLines * lineHeightInPx
@@ -58,6 +58,60 @@ class BTeXDocument : Disposable {
val DEFAULT_ORNAMENTS_COL = Color(0x3f3c3b_ff)
private fun String.escape() = this.replace("\"", "\\\"")
fun fromFile(fileHandle: FileHandle) = fromFile(fileHandle.file())
fun fromFile(file: File): BTeXDocument {
val doc = BTeXDocument()
val ra = RandomAccessFile(file, "r")
val DOM = ClusteredFormatDOM(ra)
// get meta file
val meta = Clustfile(DOM, "/bibliography.json")
if (!meta.exists()) throw IllegalStateException("No bibliography.json found on the archive")
val metaReader = meta.readBytes().toString(Common.CHARSET).reader()
val metaJson = JsonFetcher.readFromJsonString(metaReader)
doc.theTitle = metaJson["title"].asString()
doc.theSubtitle = metaJson["subtitle"].asString()
doc.theAuthor = metaJson["author"].asString()
doc.theEdition = metaJson["edition"].asString()
val pageCount = metaJson["pages"].asInt()
doc.context = metaJson["context"].asString()
doc.font = metaJson["font"].asString()
doc.inner = metaJson["inner"].asString()
doc.papersize = metaJson["papersize"].asString()
doc.fromArchive = true
doc.pageTextures = ArrayList()
println("Title: ${doc.theTitle}")
println("Pages: $pageCount")
for (page in 0 until pageCount) {
Clustfile(DOM, "/${page}.png").also {
if (!it.exists()) throw IllegalStateException("No file '${page}.png' on the archive")
val tempFile = Gdx.files.external("./.btex-import.png") // must create new file descriptor for every page, or else every page will share a single file descriptor which cause problems
it.exportFileTo(tempFile.file())
val texture = TextureRegion(Texture(tempFile))
doc.pageTextures.add(texture)
if (page == 0) {
doc.textWidth = texture.regionWidth - 2 * doc.pageMarginH
doc.pageLines = (texture.regionHeight - 2 * doc.pageMarginH) / doc.lineHeightInPx
println("Page dimension: (${texture.regionWidth}x${texture.regionHeight}) (${doc.pageDimensionWidth}x${doc.pageDimensionHeight})")
}
tempFile.delete() // deleting also affects file descriptor juggling
}
}
ra.close()
return doc
}
}
internal val pages = ArrayList<BTeXPage>()
@@ -72,7 +126,7 @@ class BTeXDocument : Disposable {
get() = pages[currentPage]
val pageIndices: IntRange
get() = pages.indices
get() = if (fromArchive) pageTextures.indices else pages.indices
internal val linesPrintedOnPage = ArrayList<Int>()
@@ -92,6 +146,7 @@ class BTeXDocument : Disposable {
* Must be called on a thread with GL context!
*/
fun finalise() {
if (fromArchive) throw IllegalStateException("Document is loaded from the archive and thus cannot be finalised")
if (isFinalised) throw IllegalStateException("Page is already been finalised")
pageTextures = ArrayList()
@@ -100,7 +155,7 @@ class BTeXDocument : Disposable {
val camera = OrthographicCamera(pageDimensionWidth.toFloat(), pageDimensionHeight.toFloat())
val batch = FlippingSpriteBatch()
pages.forEach { page ->
pages.forEachIndexed { pageNum, page ->
val fbo = FrameBuffer(Pixmap.Format.RGBA8888, pageDimensionWidth, pageDimensionHeight, false)
fbo.inAction(null, null) {
@@ -113,6 +168,7 @@ class BTeXDocument : Disposable {
blendNormalStraightAlpha(batch)
batch.inUse {
page.render(0f, batch, 0, 0, pageMarginH, pageMarginV)
printPageNumber(batch, pageNum, 0, 0)
}
}
@@ -129,6 +185,9 @@ class BTeXDocument : Disposable {
pageTextures.forEach { it.texture.dispose() }
pageFrameBuffers.forEach { it.dispose() }
}
else if (fromArchive) {
pageTextures.forEach { it.texture.dispose() }
}
}
fun serialise(archiveFile: File) {
@@ -136,7 +195,6 @@ class BTeXDocument : Disposable {
val diskFile = ClusteredFormatDOM.createNewArchive(archiveFile, Common.CHARSET, "", 0x7FFFF)
val DOM = ClusteredFormatDOM(diskFile)
val tempFile = Gdx.files.external("./.btex-export.png")
val json = """
{
@@ -164,18 +222,20 @@ class BTeXDocument : Disposable {
fbo.inAction(null, null) {
val pixmap = Pixmap.createFromFrameBuffer(0, 0, fbo.width, fbo.height)
val tempFile = Gdx.files.external("./.btex-export.png")
PixmapIO.writePNG(tempFile, pixmap, Deflater.BEST_COMPRESSION, false)
val outstream = ClustfileOutputStream(file)
outstream.write(tempFile.readBytes())
outstream.flush(); outstream.close()
tempFile.delete()
}
}
DOM.changeDiskCapacity(diskFile.length().div(4096f).ceilToInt())
tempFile.delete()
}
var isFinalised = false; private set
var fromArchive = false; private set
/**
* Appends draw call to the list. The draw call must be prepared manually so that they would not overflow.
@@ -199,13 +259,16 @@ class BTeXDocument : Disposable {
fun render(frameDelta: Float, batch: SpriteBatch, page: Int, x: Int, y: Int) {
batch.color = Color.WHITE
if (!isFinalised)
pages[page].render(frameDelta, batch, x, y, pageMarginH, pageMarginV)
else
if (isFinalised || fromArchive)
batch.draw(pageTextures[page], x.toFloat(), y.toFloat())
else {
pages[page].render(frameDelta, batch, x, y, pageMarginH, pageMarginV)
printPageNumber(batch, page, x, y)
}
}
// paint page number
val num = "${page+1}"
private fun printPageNumber(batch: SpriteBatch, page: Int, x: Int, y: Int) {
val num = "${page + 1}"
val numW = TinyAlphNum.getWidth(num)
val numX = if (context == "tome") {
if (page % 2 == 1)
@@ -216,7 +279,7 @@ class BTeXDocument : Disposable {
else {
x + (pageDimensionWidth - numW) / 2
}
val numY = y + pageDimensionHeight - 2*pageMarginV - 4
val numY = y + pageDimensionHeight - 2 * pageMarginV - 4
if (page == 0 && context != "tome" || page in tocPageStart until endOfPageStart) {
batch.color = DEFAULT_ORNAMENTS_COL

49
src/net/torvald/terrarum/tests/BTeXTest.kt
View File

@@ -25,8 +25,8 @@ import kotlin.system.measureTimeMillis
*/
class BTeXTest : ApplicationAdapter() {
val filePath = "btex.xml"
// val filePath = "literature/en/daniel_defoe_robinson_crusoe.xml"
// val filePath = "btex.btexbin"
val filePath = "literature/en/daniel_defoe_robinson_crusoe.btexbin"
// val filePath = "literature/ruRU/anton_chekhov_palata_no_6.xml"
// val filePath = "literature/koKR/yisang_nalgae.xml"
@@ -47,25 +47,36 @@ class BTeXTest : ApplicationAdapter() {
bg = TextureRegion(Texture(Gdx.files.internal("test_assets/real_bg_with_guides.png")))
measureTimeMillis {
val f = BTeXParser.invoke(Gdx.files.internal("./assets/mods/basegame/books/$filePath"))
document = f.first
documentHandler = f.second
}.also {
println("Time spent on typesetting [ms]: $it")
}
val isBookFinalised = filePath.endsWith(".btexbin")
measureTimeMillis {
document.finalise()
documentHandler.dispose()
}.also {
println("Time spent on finalising [ms]: $it")
}
if (!isBookFinalised) {
measureTimeMillis {
val f = BTeXParser.invoke(Gdx.files.internal("./assets/mods/basegame/books/$filePath"))
document = f.first
documentHandler = f.second
}.also {
println("Time spent on typesetting [ms]: $it")
}
measureTimeMillis {
document.serialise(File("./assets/mods/basegame/books/${filePath.replace(".xml", ".btexbin")}"))
}.also {
println("Time spent on serialisation [ms]: $it")
measureTimeMillis {
document.finalise()
documentHandler.dispose()
}.also {
println("Time spent on finalising [ms]: $it")
}
measureTimeMillis {
document.serialise(File("./assets/mods/basegame/books/${filePath.replace(".xml", ".btexbin")}"))
}.also {
println("Time spent on serialisation [ms]: $it")
}
}
else {
measureTimeMillis {
document = BTeXDocument.fromFile(Gdx.files.internal("./assets/mods/basegame/books/$filePath"))
}.also {
println("Time spent on loading [ms]: $it")
}
}
}