/***********************************************************************      Copyright (C) 2001 Andrew Khan** This library is free software; you can redistribute it and/or* modify it under the terms of the GNU Lesser General Public* License as published by the Free Software Foundation; either* version 2.1 of the License, or (at your option) any later version.** This library is distributed in the hope that it will be useful,* but WITHOUT ANY WARRANTY; without even the implied warranty of* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU* Lesser General Public License for more details.** You should have received a copy of the GNU Lesser General Public* License along with this library; if not, write to the Free Software* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA***************************************************************************/package jxl.write;import jxl.Cell;import jxl.format.CellFormat;import jxl.write.biff.BlankRecord;/** * A blank cell.  Despite not having any contents, it may contain * formatting information.  Such cells are typically used when creating * templates */public class Blank extends BlankRecord implements WritableCell{  /**   * Creates a cell which, when added to the sheet, will be presented at the   * specified column and row co-ordinates   *   * @param c the column   * @param r the row   */  public Blank(int c, int r)  {    super(c, r);  }  /**   * Creates a cell which, when added to the sheet, will be presented at the   * specified column and row co-ordinates   * in the manner specified by the CellFormat parameter   *   * @param c the column   * @param r the row   * @param st the cell format   */  public Blank(int c, int r, CellFormat st)  {    super(c, r, st);  }  /**   * Constructor used internally by the application when making a writable   * copy of a spreadsheet being read in   *   * @param lc the cell to copy   */  public Blank(Cell lc)  {    super(lc);  }  /**   * Copy constructor used for deep copying   *   * @param col the column   * @param row the row   * @param b the balnk cell to copy   */  protected Blank(int col, int row, Blank b)  {    super(col, row, b);  }  /**   * Implementation of the deep copy function   *   * @param col the column which the new cell will occupy   * @param row the row which the new cell will occupy   * @return  a copy of this cell, which can then be added to the sheet   */  public WritableCell copyTo(int col, int row)  {    return new Blank(col, row, this);  }}