docs: function getStringGlyfs(ttf, str) {
          let glyphs = [];
          let indexList = ttf.findGlyf({ unicode: str.split('').map(toCharCode) })
          if (indexList.length) glyphs = ttf.getGlyf(indexList);
          glyphs.unshift(ttf.get().glyf[0]);
          return glyphs;
      }