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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2023 Cloud Software Group, Inc. 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 .
*/
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.JRLineBox;
import net.sf.jasperreports.engine.JRPrintElement;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.export.JRExporterGridCell;
import net.sf.jasperreports.engine.util.Pair;
import net.sf.jasperreports.export.XlsReportConfiguration;
/**
* @author Teodor Danciu ([email protected])
*/
public class XlsxFontHelper extends BaseHelper
{
private Map fontCache = new HashMap<>();//FIXMEXLSX use soft cache? check other exporter caches as well
private String exporterKey;
private boolean fontSizeFixEnabled;
private Map, String> exportFontCache = new HashMap<>();
/**
*
*/
public XlsxFontHelper(
JasperReportsContext jasperReportsContext,
Writer writer,
String exporterKey
)
{
super(jasperReportsContext, writer);
this.exporterKey = exporterKey;
}
/**
*
*/
public void setConfiguration(XlsReportConfiguration configuration)
{
fontSizeFixEnabled = configuration.isFontSizeFixEnabled();
}
/**
*
*/
public int getFont(JRExporterGridCell gridCell, Locale locale)
{
if (gridCell == null)
{
return -1;
}
return getFont(gridCell.getElement(), locale);
}
/**
*
*/
public int getFont(JRLineBox box, Locale locale)
{
return -1;
}
public int getFont(JRPrintElement element, Locale locale)
{
JRFont font = element instanceof JRFont ? (JRFont)element : null;
if (font == null)
{
return -1;
}
String fontName = exportFont(font, locale);
XlsxFontInfo xlsxFontInfo = new XlsxFontInfo(element, fontName, fontSizeFixEnabled);
Integer fontIndex = fontCache.get(xlsxFontInfo);
if (fontIndex == null)
{
fontIndex = fontCache.size();
export(xlsxFontInfo);
fontCache.put(xlsxFontInfo, fontIndex);
}
return fontIndex;
}
protected String exportFont(JRFont font, Locale locale)
{
String fontName = font.getFontName();
Pair cacheKey = new Pair<>(fontName, locale);
String exportFont = exportFontCache.get(cacheKey);
if (exportFont == null)
{
exportFont = fontUtil.getExportFontFamily(fontName, locale, exporterKey);
exportFontCache.put(cacheKey, exportFont);
}
return exportFont;
}
/**
*
*/
private void export(XlsxFontInfo fontInfo)
{
write(
" "
+ " "
+ " "
+ ""
+ ""
+ ""
+ ""
+ " \n"
);
}
}