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Start on true type fonts

This commit is contained in:
Speiger 2024-07-20 20:11:06 +02:00
parent 91c4d15313
commit 7f8b3e8786
2 changed files with 43 additions and 0 deletions
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1
src/main/java/speiger/src/coreengine/rendering/gui/font/FontTexture.java
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@ -19,6 +19,7 @@ public class FontTexture extends BaseTexture {
@Override
public void load(IAssetProvider provider) {
//TODO use old texture system instead
GL45.glTextureStorage2D(id, 1, GLTextureFormat.RGBA.glValue(), bounds, bounds);
}

42
src/main/java/speiger/src/coreengine/rendering/gui/font/providers/STBTrueTypeProvider.java Normal file
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@ -0,0 +1,42 @@
package speiger.src.coreengine.rendering.gui.font.providers;
import org.lwjgl.stb.STBTTFontinfo;
import org.lwjgl.stb.STBTruetype;
import speiger.src.collections.ints.sets.IntSet;
import speiger.src.coreengine.rendering.gui.font.glyth.GlythData;
public class STBTrueTypeProvider implements IFontProvider {
long data;
STBTTFontinfo info;
IntSet skip;
float oversample;
float xOff;
float yOff;
float pointScale;
float ascent;
public STBTrueTypeProvider(long data, STBTTFontinfo info, float size, float oversample, float xOff, float yOff, String skip) {
this.data = data;
this.info = info;
skip.codePoints().forEach(this.skip::add);
this.oversample = oversample;
this.xOff = xOff;
this.yOff = yOff;
pointScale = STBTruetype.stbtt_ScaleForPixelHeight(info, size * oversample);
int[] ascent = new int[1];
STBTruetype.stbtt_GetFontVMetrics(info, ascent, new int[1], new int[1]);
this.ascent = pointScale * ascent[0];
}
@Override
public GlythData glythData(int codepoint) {
return null;
}
@Override
public void close() {
}
}