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/*
 * $Id: RtfFont.java,v 1.17 2004/12/27 07:10:03 blowagie Exp $
 * $Name:  $
 *
 * Copyright 2001, 2002 by Mark Hall
 *
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (the "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the License.
 *
 * The Original Code is 'iText, a free JAVA-PDF library'.
 *
 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
 * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
 *
 * Contributor(s): all the names of the contributors are added in the source code
 * where applicable.
 *
 * Alternatively, the contents of this file may be used under the terms of the
 * LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
 * provisions of LGPL are applicable instead of those above.  If you wish to
 * allow use of your version of this file only under the terms of the LGPL
 * License and not to allow others to use your version of this file under
 * the MPL, indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by the LGPL.
 * If you do not delete the provisions above, a recipient may use your version
 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the MPL as stated above or under the terms of the GNU
 * Library General Public License as published by the Free Software Foundation;
 * either version 2 of the License, or 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 Library general Public License for more
 * details.
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.lowagie.com/iText/
 */

package com.lowagie.text.rtf;

import com.lowagie.text.Font;

import java.awt.*;

/**
 * The RtfFont class enables you to add arbitrary Fonts to a rtf document by specifying
 * the font name you want to have. The font has to be installed on the client for this to
 * work.
 * 
 * ONLY FOR USE WITH THE RtfWriter NOT with the RtfWriter2.
 *
 * @author [email protected]
 */
public class RtfFont extends Font {
    /**
     * The font family name of this RtfFont
     */
    private String familyName = "";

    /**
     * Constructs a RtfFont
     *
     * @param familyName The family name of this RtfFont
     */
    public RtfFont(String familyName) {
        super(Font.UNDEFINED);
        this.familyName = familyName;
    }

    /**
     * Constructs a RtfFont
     *
     * @param familyName The font family name of this RtfFont
     * @param size The font size of this RtfFont
     */
    public RtfFont(String familyName, float size) {
        super(Font.UNDEFINED, size);
        this.familyName = familyName;
    }

    /**
     * Constructs a RtfFont
     *
     * @param familyName The font family name of this RtfFont
     * @param size The font size of this RtfFont
     * @param style The font style of this RtfFont
     */
    public RtfFont(String familyName, float size, int style) {
        super(Font.UNDEFINED, size, style);
        this.familyName = familyName;
    }

    /**
     * Constructs a RtfFont
     *
     * @param familyName The font family name of this RtfFont
     * @param size The font size of this RtfFont
     * @param style The font style of this RtfFont
     * @param color The font color of this RtfFont
     */
    public RtfFont(String familyName, float size, int style, Color color) {
        super(Font.UNDEFINED, size, style, color);
        this.familyName = familyName;
    }

    /**
     * Gets the familyname as a String.
     *
     * @return  the familyname
     */
    public String getFamilyname() {
        return this.familyName;
    }

    /**
     * Replaces the attributes that are equal to null with
     * the attributes of a given font.
     *
     * @param	font	the font of a bigger element class
     * @return	a Font
     */
    public Font difference(Font font) {
        String dFamilyname = font.getFamilyname();
        if(dFamilyname == null || dFamilyname.trim().equals("")) {
            dFamilyname = this.familyName;
        }

        float dSize = font.size();
        if(dSize == Font.UNDEFINED) {
            dSize = this.size();
        }

        int dStyle = Font.UNDEFINED;
        if(this.style() != Font.UNDEFINED && font.style() != Font.UNDEFINED) {
            dStyle = this.style() | font.style();
        } else if(this.style() != Font.UNDEFINED) {
            dStyle = this.style();
        } else if(font.style() != Font.UNDEFINED) {
            dStyle = font.style();
        }

        Color dColor = font.color();
        if(dColor == null) {
            dColor = this.color();
        }

        return new RtfFont(dFamilyname, dSize, dStyle, dColor);
    }
}




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