using System;
using iTextSharp.text;
using iTextSharp.text.pdf;
/*
 * $Id: IPdfVersion.cs 106 2009-12-07 12:23:50Z psoares33 $
 *
 * This file is part of the iText project.
 * Copyright (c) 1998-2012 1T3XT BVBA
 * Authors: Bruno Lowagie, Paulo Soares, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
 * 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program 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 Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * you must retain the producer line in every PDF that is created or manipulated
 * using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: sales@itextpdf.com
 */

namespace iTextSharp.text.pdf.interfaces {

    /**
    * The PDF version is described in the PDF Reference 1.7 p92
    * (about the PDF Header) and page 139 (the version entry in
    * the Catalog). You'll also find info about setting the version
    * in the book 'iText in Action' sections 2.1.3 (PDF Header)
    * and 3.3 (Version history).
    */

    public interface IPdfVersion {
        
        /**
        * If the PDF Header hasn't been written yet,
        * this changes the version as it will appear in the PDF Header.
        * If the PDF header was already written to the Stream,
        * this changes the version as it will appear in the Catalog.
        * @param version   a character representing the PDF version
        */
        char PdfVersion {
            set;
        }

        /**
        * If the PDF Header hasn't been written yet,
        * this changes the version as it will appear in the PDF Header,
        * but only if param refers to a higher version.
        * If the PDF header was already written to the Stream,
        * this changes the version as it will appear in the Catalog.
        * @param version   a character representing the PDF version
        */
        void SetAtLeastPdfVersion(char version);
        /**
        * Sets the PDF version as it will appear in the Catalog.
        * Note that this only has effect if you use a later version
        * than the one that appears in the header; this method
        * ignores the parameter if you try to set a lower version.
        * @param version   the PDF name that will be used for the Version key in the catalog
        */
        void SetPdfVersion(PdfName version);
        /**
        * Adds a developer extension to the Extensions dictionary
        * in the Catalog.
        * @param de an object that contains the extensions prefix and dictionary
        * @since    2.1.6
        */
        void AddDeveloperExtension(PdfDeveloperExtension de);
    }
}
