001/* ===================================================
002 * JFreeSVG : an SVG library for the Java(tm) platform
003 * ===================================================
004 * 
005 * (C)opyright 2013-2021, by Object Refinery Limited.  All rights reserved.
006 *
007 * Project Info:  http://www.jfree.org/jfreesvg/index.html
008 * 
009 * This program is free software: you can redistribute it and/or modify
010 * it under the terms of the GNU General Public License as published by
011 * the Free Software Foundation, either version 3 of the License, or
012 * (at your option) any later version.
013 *
014 * This program is distributed in the hope that it will be useful,
015 * but WITHOUT ANY WARRANTY; without even the implied warranty of
016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
017 * GNU General Public License for more details.
018 *
019 * You should have received a copy of the GNU General Public License
020 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
021 * 
022 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
023 * Other names may be trademarks of their respective owners.]
024 * 
025 * If you do not wish to be bound by the terms of the GPL, an alternative
026 * commercial license can be purchased.  For details, please see visit the
027 * JFreeSVG home page:
028 * 
029 * http://www.jfree.org/jfreesvg
030 * 
031 */
032
033package org.jfree.graphics2d.svg;
034
035/**
036 * An object that can (optionally) translate one font family name to an
037 * alternative.  A {@code FontMapper} is assigned to an 
038 * {@link SVGGraphics2D} instance.  The default implementation will map
039 * Java logical font names to the equivalent SVG generic font names.
040 * 
041 * @since 1.5
042 */
043public interface FontMapper {
044    
045    /**
046     * Maps the specified font family name to an alternative, or else returns
047     * the same family name.
048     * 
049     * @param family  the font family name ({@code null} not permitted).
050     * 
051     * @return The same font family name or an alternative (never {@code null}).
052     */
053    String mapFont(String family);
054
055}