code: public void setNonStrokingColor (final int c, final int m, final int y, final int k) throws IOException
    {
      if (_isOutside255Interval (c) ||
          _isOutside255Interval (m) ||
          _isOutside255Interval (y) ||
          _isOutside255Interval (k))
      {
        throw new IllegalArgumentException ("Parameters must be within 0..255, but are (" +
                                            c +
                                            "," +
                                            m +
                                            "," +
                                            y +
                                            "," +
                                            k +
                                            ")");
      }
      setNonStrokingColor (c / 255f, m / 255f, y / 255f, k / 255f);
    }
docs: Set the non-stroking color in the DeviceCMYK color space. Range is 0..255.
  
  @param c
  The cyan value.
  @param m
  The magenta value.
  @param y
  The yellow value.
  @param k
  The black value.
  @throws IOException
  If an IO error occurs while writing to the stream.
  @throws IllegalArgumentException
  If the parameters are invalid.