public void addCommands(PDFPage page,Matrix extra){
synchronized (commands) {
    addPush();
    if (extra != null) {
      addXform(extra);
    }
    commands.addAll(page.getCommands());
    addPop();
  }
  updateImages();
}

public void addCommands ( PDFPage page , Matrix extra ) { synchronized ( commands ) { addPush ( ) ; if ( extra != null ) { addXform ( extra ) ; } commands . addAll ( page . getCommands ( ) ) ; addPop ( ) ; } updateImages ( ) ; }
add a collection of commands to the page list . this is probably invoked as the result of an xobject ' do ' command , or through a type 3 font .
