Add underline metrics

nothings · Oct 22, 2023 · a8ccbcd · a8ccbcd
1 parent beebb24
commit a8ccbcd
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/stb_truetype.h b/stb_truetype.h
@@ -2657,6 +2657,16 @@ STBTT_DEF void stbtt_GetFontBoundingBox(const stbtt_fontinfo *info, int *x0, int
    *y1 = ttSHORT(info->data + info->head + 42);
 }
 
+STBTT_DEF int stbtt_GetFontUnderlineMetrics(const stbtt_fontinfo *info, int *position, int *thickness)
+{
+   int tab = stbtt__find_table(info->data, info->fontstart, "post");
+   if (!tab)
+      return 0;
+   *position = ttSHORT(info->data + tab + 8);
+   *thickness = ttSHORT(info->data + tab + 10);
+   return 1;
+}
+
 STBTT_DEF float stbtt_ScaleForPixelHeight(const stbtt_fontinfo *info, float height)
 {
    int fheight = ttSHORT(info->data + info->hhea + 4) - ttSHORT(info->data + info->hhea + 6);