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tommyettingertommyettinger
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Trying to figure out why width is so strange.
It may have to do with box drawing characters being present in the random set of chars this produces.
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2 files changed

+123
-3
lines changed

2 files changed

+123
-3
lines changed

‎src/test/java/com/github/tommyettinger/textra/PreviewIconGenerator.java

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -67,10 +67,10 @@ public void create() {
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ScreenUtils.clear(0.75f, 0.75f, 0.75f, 1f);
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x = Gdx.graphics.getBackBufferWidth() * 0.5f;
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y = (Gdx.graphics.getBackBufferHeight() + layout.getHeight() - font.cellHeight) * 0.5f + font.descent * font.scaleY;
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y = Gdx.graphics.getBackBufferHeight() - font.cellHeight;
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batch.begin();
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font.enableShader(batch);
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font.drawGlyphs(batch, layout, x, y, Align.center);
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font.drawGlyphs(batch, layout, x, y, Align.top);
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batch.end();//
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// Modified Pixmap.createFromFrameBuffer() code that uses RGB instead of RGBA
@@ -91,7 +91,7 @@ public void render() {
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batch.begin();
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batch.setProjectionMatrix(viewport.getCamera().combined);
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font.enableShader(batch);
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font.drawGlyphs(batch, layout, x, y, Align.center);
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font.drawGlyphs(batch, layout, x, y, Align.top);
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batch.end();
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Gdx.graphics.setTitle(Gdx.graphics.getFramesPerSecond() + " FPS");
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}

‎src/test/java/com/github/tommyettinger/textra/PreviewOpenMojiLineGenerator.java

Lines changed: 120 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,120 @@
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package com.github.tommyettinger.textra;
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import com.badlogic.gdx.ApplicationAdapter;
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import com.badlogic.gdx.Gdx;
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import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application;
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import com.badlogic.gdx.backends.lwjgl3.Lwjgl3ApplicationConfiguration;
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import com.badlogic.gdx.graphics.Color;
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import com.badlogic.gdx.graphics.GL20;
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import com.badlogic.gdx.graphics.Pixmap;
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import com.badlogic.gdx.graphics.PixmapIO;
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import com.badlogic.gdx.graphics.g2d.SpriteBatch;
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import com.badlogic.gdx.graphics.glutils.ShaderProgram;
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import com.badlogic.gdx.math.MathUtils;
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import com.badlogic.gdx.math.RandomXS128;
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import com.badlogic.gdx.utils.Align;
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import com.badlogic.gdx.utils.IntArray;
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import com.badlogic.gdx.utils.ScreenUtils;
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import com.badlogic.gdx.utils.TimeUtils;
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import com.badlogic.gdx.utils.viewport.StretchViewport;
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import com.badlogic.gdx.utils.viewport.Viewport;
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import com.github.tommyettinger.textra.utils.ColorUtils;
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import com.github.tommyettinger.textra.utils.Palette;
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import com.github.tommyettinger.textra.utils.StringUtils;
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import java.nio.ByteBuffer;
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public class PreviewOpenMojiLineGenerator extends ApplicationAdapter {
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Font font;
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SpriteBatch batch;
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Viewport viewport;
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Layout layout = new Layout().setTargetWidth(1200);
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float x, y;
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long startTime;
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public static void main(String[] args){
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Lwjgl3ApplicationConfiguration config = new Lwjgl3ApplicationConfiguration();
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config.setTitle("Emoji Preview Generator");
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config.setWindowedMode(1200, 675);
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config.disableAudio(true);
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ShaderProgram.prependVertexCode = "#version 110\n";
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ShaderProgram.prependFragmentCode = "#version 110\n";
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// config.enableGLDebugOutput(true, System.out);
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config.setForegroundFPS(Lwjgl3ApplicationConfiguration.getDisplayMode().refreshRate);
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config.useVsync(true);
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new Lwjgl3Application(new PreviewOpenMojiLineGenerator(), config);
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}
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@Override
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public void create() {
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batch = new SpriteBatch();
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viewport = new StretchViewport(1200, 600);
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Gdx.files.local("out/").mkdirs();
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// font = KnownFonts.addOpenMoji(KnownFonts.getInconsolata().scaleTo(32, 32), false, -12f, -6f, 0f);
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font = KnownFonts.addOpenMoji(KnownFonts.getNowAlt(), false, 0f, 0f, 0f).fitCell(32, 32, true);
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layout.setBaseColor(Color.DARK_GRAY);
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StringBuilder sb = new StringBuilder(4000);
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sb.append("[%?whiten]");
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RandomXS128 random = new RandomXS128(1, 42);
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font.mapping.remove('[');
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font.mapping.remove(']');
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font.mapping.remove('{');
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font.mapping.remove('}');
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font.mapping.remove('\n');
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font.mapping.remove('\r');
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font.mapping.remove('\t');
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font.mapping.remove(' ');
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IntArray keys = font.mapping.keys().toArray();
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int ks = keys.size, ps = Palette.LIST.size;
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for (int y = 0; y < 18; y++) {
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for (int x = 0; x < 36; x++) {
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// sb.append("[richmost darker ").append(Palette.NAMES.get(random.nextInt(ps))).append(']');
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StringUtils.appendUnsignedHex(sb.append("[#"), ColorUtils.darken(Palette.LIST.get(random.nextInt(ps)), 0.25f)).append(']');
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sb.append((char)keys.get(random.nextInt(ks)));
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}
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sb.append('\n');
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}
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font.markup(sb.toString(), layout);
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font.calculateSize(layout);
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System.out.println(sb);
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ScreenUtils.clear(0.75f, 0.75f, 0.75f, 1f);
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x = Gdx.graphics.getBackBufferWidth() * 0.5f;
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y = Gdx.graphics.getBackBufferHeight() - font.cellHeight * 3.5f;
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batch.begin();
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font.enableShader(batch);
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font.drawGlyphs(batch, layout, x, y, Align.top);
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batch.end();//
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// Modified Pixmap.createFromFrameBuffer() code that uses RGB instead of RGBA
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Gdx.gl.glPixelStorei(GL20.GL_PACK_ALIGNMENT, 1);
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final Pixmap pm = new Pixmap(Gdx.graphics.getBackBufferWidth(), Gdx.graphics.getBackBufferHeight(), Pixmap.Format.RGB888);
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ByteBuffer pixels = pm.getPixels();
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Gdx.gl.glReadPixels(0, 0, Gdx.graphics.getBackBufferWidth(), Gdx.graphics.getBackBufferHeight(), GL20.GL_RGB, GL20.GL_UNSIGNED_BYTE, pixels);
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// End Pixmap.createFromFrameBuffer() modified code
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PixmapIO.writePNG(Gdx.files.local("out/OpenMojiPreview.png"), pm, 2, true);
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// Gdx.app.exit();
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startTime = TimeUtils.millis();
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}
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@Override
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public void render() {
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float bright = MathUtils.sin(TimeUtils.timeSinceMillis(startTime) * 3E-3f) * 0.25f + 0.4f;
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ScreenUtils.clear(bright, bright, bright, 1f);
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viewport.apply(true);
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batch.begin();
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batch.setProjectionMatrix(viewport.getCamera().combined);
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font.enableShader(batch);
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font.drawGlyphs(batch, layout, x, y, Align.top);
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batch.end();
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Gdx.graphics.setTitle(Gdx.graphics.getFramesPerSecond() + " FPS");
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}
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@Override
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public void resize(int width, int height) {
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viewport.update(width, height, false);
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}
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}

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