code: protected char getCurrentCharacter(int current, char[] cc, PdfChunk[] ck) {
      	if (ck == null) {
      		return cc[current];
      	}
      	return (char)ck[Math.min(current, ck.length - 1)].getUnicodeEquivalent(cc[current]);
      }
docs: Returns the current character
  @param current current position in the array
  @param	cc		the character array that has to be checked
  @param ck chunk array
  @return	the current character