Package net.sf.jasperreports.engine.export.ooxml

Source Code of net.sf.jasperreports.engine.export.ooxml.XlsxFontHelper

/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2009 Jaspersoft Corporation. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports 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 3 of the License, or
* (at your option) any later version.
*
* JasperReports 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 JasperReports. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.jasperreports.engine.export.ooxml;

import java.io.Writer;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

import net.sf.jasperreports.engine.JRFont;
import net.sf.jasperreports.engine.export.JRExporterGridCell;
import net.sf.jasperreports.engine.fonts.FontFamily;
import net.sf.jasperreports.engine.fonts.FontInfo;
import net.sf.jasperreports.engine.util.JRFontUtil;


/**
* @author Teodor Danciu (teodord@users.sourceforge.net)
* @version $Id: BorderHelper.java 3135 2009-10-22 14:20:23Z teodord $
*/
public class XlsxFontHelper extends BaseHelper
{
  private Map fontCache = new HashMap();//FIXMEXLSX use soft cache? check other exporter caches as well
 
  private Map fontMap;
  private String exporterKey;
  private boolean isFontSizeFixEnabled;

  /**
   *
   */
  public XlsxFontHelper(
    Writer writer,
    Map fontMap,
    String exporterKey,
    boolean isFontSizeFixEnabled   
    )
  {
    super(writer);

    this.fontMap = fontMap;
    this.exporterKey = exporterKey;
    this.isFontSizeFixEnabled = isFontSizeFixEnabled;
  }
 
  /**
   *
   */
  public int getFont(JRExporterGridCell gridCell, Locale locale)
  {
    JRFont font = gridCell.getElement() instanceof JRFont ? (JRFont)gridCell.getElement() : null;
    if (font == null)
    {
      return -1;     
    }

    String fontName = font.getFontName();
    if (fontMap != null && fontMap.containsKey(fontName))
    {
      fontName = (String) fontMap.get(fontName);
    }
    else
    {
      FontInfo fontInfo = JRFontUtil.getFontInfo(fontName, locale);
      if (fontInfo != null)
      {
        //fontName found in font extensions
        FontFamily family = fontInfo.getFontFamily();
        String exportFont = family.getExportFont(exporterKey);
        if (exportFont != null)
        {
          fontName = exportFont;
        }
      }
    }
   
    XlsxFontInfo fontInfo = new XlsxFontInfo(gridCell, fontName);
    Integer fontIndex = (Integer)fontCache.get(fontInfo.getId());
    if (fontIndex == null)
    {
      fontIndex = Integer.valueOf(fontCache.size());
      export(fontInfo);
      fontCache.put(fontInfo.getId(), fontIndex);
    }
    return fontIndex.intValue();
  }

  /**
   *
   */
  private void export(XlsxFontInfo fontInfo)
  {
    write(
      "<font><sz val=\"" + (isFontSizeFixEnabled ? fontInfo.fontSize - 1 : fontInfo.fontSize) + "\"/>"
      + "<color rgb=\"" + fontInfo.color + "\"/>"
      + "<name val=\"" + fontInfo.fontName + "\"/>"
      + "<b val=\"" + fontInfo.isBold + "\"/>"
      + "<i val=\"" + fontInfo.isItalic + "\"/>"
      + "<u val=\"" + (fontInfo.isUnderline ? "single" : "none") + "\"/>"
      + "<strike val=\"" + fontInfo.isStrikeThrough + "\"/>"
      + "<family val=\"2\"/></font>\n"
      );
  }

}
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