curioustorvald/Terrarum-sans-bitmap
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fix: test window rendering quirks

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minjaesong
2024-03-25 03:06:28 +09:00
parent 84ea79b069
commit 95f42a9126
1 changed files with 69 additions and 17 deletions
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86
FontTestGDX/src/FontTestGDX.kt
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@@ -4,9 +4,11 @@ import com.badlogic.gdx.backends.lwjgl3.Lwjgl3ApplicationConfiguration
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
import com.badlogic.gdx.utils.ScreenUtils
import com.badlogic.gdx.utils.StreamUtils
import net.torvald.terrarumsansbitmap.MovableType
import net.torvald.terrarumsansbitmap.gdx.TerrarumSansBitmap
import java.io.File
import java.io.IOException
@@ -19,32 +21,35 @@ class FontTestGDX : Game() {
lateinit var font: TerrarumSansBitmap
lateinit var inputText: List<String>
lateinit var inputText: String
lateinit var batch: SpriteBatch
lateinit var batch: FlippingSpriteBatch
lateinit var frameBuffer: FrameBuffer
lateinit var camera: OrthographicCamera
private val testing = false
private val testing = true
private val demotextName = if (testing) "testtext.txt" else "demotext.txt"
private val demotextName = if (testing) "testtext.txt" else "demotext_unaligned.txt"
private val outimageName = if (testing) "testing.PNG" else "demo.PNG"
private lateinit var faketex: Texture
private val lineHeight = 24
lateinit var layout: MovableType
override fun create() {
font = TerrarumSansBitmap("./assets", debug = true, flipY = false, errorOnUnknownChar = false, shadowAlpha = 0.5f) // must test for two flipY cases
val inTextFile = Gdx.files.internal("./$demotextName")
val reader = inTextFile.reader("UTF-8")
inputText = reader.readLines()
inputText = reader.readLines().joinToString("\n")
reader.close()
batch = SpriteBatch()
batch = FlippingSpriteBatch()
// create faketex
@@ -56,12 +61,15 @@ class FontTestGDX : Game() {
frameBuffer = FrameBuffer(Pixmap.Format.RGBA8888, TEXW, TEXH, true)
camera = OrthographicCamera(TEXW.toFloat(), TEXH.toFloat())
camera.translate(TEXW.div(2f), 0f)
camera.setToOrtho(true, TEXW.toFloat(), TEXH.toFloat())
camera.translate(0f, 0f)
camera.setToOrtho(false, TEXW.toFloat(), TEXH.toFloat())
camera.update()
Gdx.input.inputProcessor = Navigator(this)
layout = font.typesetParagraph(batch, inputText, TEXW - 20)
}
override fun getScreen(): Screen? {
@@ -97,9 +105,10 @@ class FontTestGDX : Game() {
batch.flush()
batch.color = Color.WHITE
inputText.forEachIndexed { index, s ->
font.draw(batch, s, 10f, TEXH - 30f - index * lineHeight)
}
// inputText.forEachIndexed { index, s ->
// font.draw(batch, s, 10f, TEXH - 30f - index * lineHeight)
// }
layout.draw(batch, 10f, 0f)
batch.end()
@@ -130,12 +139,12 @@ class FontTestGDX : Game() {
Gdx.gl.glEnable(GL20.GL_BLEND)
batch.setBlendFunctionSeparate(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA, GL20.GL_ONE, GL20.GL_ONE_MINUS_SRC_ALPHA) // for not premultiplied textures
camera.setToOrtho(true, WIDTH.toFloat(), HEIGHT.toFloat())
batch.projectionMatrix = camera.combined
batch.begin()
batch.color = Color.WHITE
batch.draw(tex, 0f, (TEXH.toFloat()/HEIGHT)*TEXH - scrollOffsetY, TEXW.toFloat(), -(TEXH.toFloat() / HEIGHT) * TEXH.toFloat())
batch.draw(tex!!, 0f, scrollOffsetY)
batch.end()
}
@@ -154,11 +163,11 @@ class FontTestGDX : Game() {
}
fun scrollAdd(x: Int = 1) {
scrollOffsetY -= (TEXH.toFloat() / HEIGHT) * lineHeight * x
scrollOffsetY += lineHeight * x
}
fun scrollSub(x: Int = 1) {
scrollOffsetY += (TEXH.toFloat() / HEIGHT) * lineHeight * x
scrollOffsetY -= lineHeight * x
}
class Navigator(val main: FontTestGDX) : InputAdapter() {
@@ -267,8 +276,51 @@ class FontTestGDX : Game() {
}
}
class FlippingSpriteBatch(size: Int = 1000) : SpriteBatch(size) {
/**
* This function draws the flipped version of the image by giving flipped uv-coord to the SpriteBatch
*/
override fun draw(texture: Texture, x: Float, y: Float, width: Float, height: Float) =
draw(texture, x, y, width, height, 0f, 0f, 1f, 1f)
override fun draw(texture: Texture, x: Float, y: Float) =
draw(texture, x, y, texture.width.toFloat(), texture.height.toFloat(), 0f, 0f, 1f, 1f)
fun drawFlipped(texture: Texture, x: Float, y: Float, width: Float, height: Float) =
draw(texture, x, y, width, height, 0f, 1f, 1f, 0f)
fun drawFlipped(texture: Texture, x: Float, y: Float) =
draw(texture, x, y, texture.width.toFloat(), texture.height.toFloat(), 0f, 1f, 1f, 0f)
/**
* This function does obey the flipping set to the TextureRegion and try to draw flipped version of it,
* without touching the flipping setting of the given region.
*/
override fun draw(region: TextureRegion, x: Float, y: Float, width: Float, height: Float) =
draw(region.texture, x, y, width, height, region.u, region.v, region.u2, region.v2)
override fun draw(region: TextureRegion, x: Float, y: Float) =
draw(region.texture, x, y, region.regionWidth.toFloat(), region.regionHeight.toFloat(), region.u, region.v, region.u2, region.v2)
fun drawFlipped(region: TextureRegion, x: Float, y: Float, width: Float, height: Float) =
draw(region.texture, x, y, width, height, region.u, region.v2, region.u2, region.v)
fun drawFlipped(region: TextureRegion, x: Float, y: Float) =
draw(region.texture, x, y, region.regionWidth.toFloat(), region.regionHeight.toFloat(), region.u, region.v2, region.u2, region.v)
/**
* NOTE TO SELF:
*
* It seems that original SpriteBatch Y-flips when it's drawing a texture, but NOT when it's drawing a textureregion
*
* (textureregion's default uv-coord is (0,0,1,1)
*/
}
lateinit var appConfig: Lwjgl3ApplicationConfiguration
const val TEXW = 874
const val TEXW = 800
const val TEXH = 24 * 130
const val WIDTH = TEXW