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/*
 * $Id: 7e89aa3cd8d2223d008f6cbcc9f673e40af01798 $
 *
 * This file is part of the iText (R) project.
 * Copyright (c) 1998-2016 iText Group NV
 * 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
 * ITEXT GROUP. ITEXT GROUP 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,
 * a covered work 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: [email protected]
 */
package com.itextpdf.text.pdf;

import java.io.IOException;

/**
 * Implements the PostScript XObject.
 */
public class PdfPSXObject extends PdfTemplate {
    
    /** Creates a new instance of PdfPSXObject */
    protected PdfPSXObject() {
        super();
    }
    
    /**
     * Constructs a PSXObject
     * @param wr
     */
    public PdfPSXObject(PdfWriter wr) {
        super(wr);
    }

    /**
     * Gets the stream representing this object.
     *
     * @param	compressionLevel	the compressionLevel
     * @return the stream representing this template
     * @since	2.1.3	(replacing the method without param compressionLevel)
     * @throws IOException
     */
    
    public PdfStream getFormXObject(int compressionLevel) throws IOException {
        PdfStream s = new PdfStream(content.toByteArray());
        s.put(PdfName.TYPE, PdfName.XOBJECT);
        s.put(PdfName.SUBTYPE, PdfName.PS);
        s.flateCompress(compressionLevel);
        return s;
    }
        
    /**
     * Gets a duplicate of this PdfPSXObject. All
     * the members are copied by reference but the buffer stays different.
     * @return a copy of this PdfPSXObject
     */
    
    public PdfContentByte getDuplicate() {
        PdfPSXObject tpl = new PdfPSXObject();
        tpl.writer = writer;
        tpl.pdf = pdf;
        tpl.thisReference = thisReference;
        tpl.pageResources = pageResources;
        tpl.separator = separator;
        return tpl;
    }
}




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