code: def _qCurveToOne(self, p1, p2):
      # https://github.com/Pomax/bezierinfo/issues/44
      p0 = self._p0
      x0, y0 = p0[0], p0[1]
      x1, y1 = p1[0] - x0, p1[1] - y0
      x2, y2 = p2[0] - x0, p2[1] - y0
      self.value -= (x2 * y1 - x1 * y2) / 3
      self._lineTo(p2)
      self._p0 = p2
  
file_path: catboost/contrib/python/fonttools/fontTools/pens/areaPen.py
imports: from fontTools.pens.basePen import BasePen
label_desc: Use image node_id 4 for calling the AreaPen obj's underlying member method code with example usage: obj._qCurveToOne(p1, p2) without return types