/*
 * $Id: PDFFontNonBase14.java,v 1.4 2003/03/07 08:25:47 jeremias Exp $
 * ============================================================================
 *                    The Apache Software License, Version 1.1
 * ============================================================================
 * 
 * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modifica-
 * tion, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * 3. The end-user documentation included with the redistribution, if any, must
 *    include the following acknowledgment: "This product includes software
 *    developed by the Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself, if
 *    and wherever such third-party acknowledgments normally appear.
 * 
 * 4. The names "FOP" and "Apache Software Foundation" must not be used to
 *    endorse or promote products derived from this software without prior
 *    written permission. For written permission, please contact
 *    apache@apache.org.
 * 
 * 5. Products derived from this software may not be called "Apache", nor may
 *    "Apache" appear in their name, without prior written permission of the
 *    Apache Software Foundation.
 * 
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
 * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ============================================================================
 * 
 * This software consists of voluntary contributions made by many individuals
 * on behalf of the Apache Software Foundation and was originally created by
 * James Tauber <jtauber@jtauber.com>. For more information on the Apache
 * Software Foundation, please see <http://www.apache.org/>.
 */ 
package org.apache.fop.pdf;

import org.apache.fop.fonts.FontType;

/**
 * A common ancestor for Type1, TrueType, MMType1 and Type3 fonts
 * (all except base 14 fonts).
 */
public abstract class PDFFontNonBase14 extends PDFFont {

    /**
     * first character code in the font
     */
    protected int firstChar;

    /**
     * last character code in the font
     */
    protected int lastChar;

    /**
     * widths of characters from firstChar to lastChar
     */
    protected PDFArray widths;

    /**
     * descriptor of font metrics
     */
    protected PDFFontDescriptor descriptor;

    /**
     * Create the /Font object
     *
     * @param fontname the internal name for the font
     * @param subtype the font's subtype
     * @param basefont the base font name
     * @param encoding the character encoding schema used by the font
     */
    public PDFFontNonBase14(String fontname, FontType subtype,
                            String basefont,
                            Object encoding) {

        /* generic creation of PDF object */
        super(fontname, subtype, basefont, encoding);

        this.descriptor = null;
    }

    /**
     * Set the width metrics for the font
     *
     * @param firstChar the first character code in the font
     * @param lastChar the last character code in the font
     * @param widths an array of size (lastChar - firstChar +1)
     */
    public void setWidthMetrics(int firstChar, int lastChar,
                                PDFArray widths) {
        /* set fields using paramaters */
        this.firstChar = firstChar;
        this.lastChar = lastChar;
        this.widths = widths;
    }

    /**
     * Set the font descriptor (unused for the Type3 fonts)
     *
     * @param descriptor the descriptor for other font's metrics
     */
    public void setDescriptor(PDFFontDescriptor descriptor) {
        this.descriptor = descriptor;
    }

    /**
     * @see org.apache.fop.pdf.PDFFont#fillInPDF(StringBuffer)
     */
    protected void fillInPDF(StringBuffer target) {
        target.append("\n/FirstChar ");
        target.append(firstChar);
        target.append("\n/LastChar ");
        target.append(lastChar);
        target.append("\n/Widths ");
        target.append(this.widths.referencePDF());
        if (descriptor != null) {
            target.append("\n/FontDescriptor ");
            target.append(this.descriptor.referencePDF());
        }
    }

}