private void grestore(){
  int count=mGStateStack.size();
  mGStateStack.remove(count - 1);
  mPSStream.println(GRESTORE_STR);
}

private void grestore ( ) { int count = mGStateStack . size ( ) ; mGStateStack . remove ( count - 1 ) ; mPSStream . println ( GRESTORE_STR ) ; }
emit a postscript grestore command and remove a gstate from our stack which represents the printer ' s gstate stack .
