001/* 002 * $Id: PdfPSXObject.java 4784 2011-03-15 08:33:00Z blowagie $ 003 * 004 * This file is part of the iText (R) project. 005 * Copyright (c) 1998-2011 1T3XT BVBA 006 * Authors: Bruno Lowagie, Paulo Soares, et al. 007 * 008 * This program is free software; you can redistribute it and/or modify 009 * it under the terms of the GNU Affero General Public License version 3 010 * as published by the Free Software Foundation with the addition of the 011 * following permission added to Section 15 as permitted in Section 7(a): 012 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT, 013 * 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. 014 * 015 * This program is distributed in the hope that it will be useful, but 016 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 017 * or FITNESS FOR A PARTICULAR PURPOSE. 018 * See the GNU Affero General Public License for more details. 019 * You should have received a copy of the GNU Affero General Public License 020 * along with this program; if not, see http://www.gnu.org/licenses or write to 021 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 022 * Boston, MA, 02110-1301 USA, or download the license from the following URL: 023 * http://itextpdf.com/terms-of-use/ 024 * 025 * The interactive user interfaces in modified source and object code versions 026 * of this program must display Appropriate Legal Notices, as required under 027 * Section 5 of the GNU Affero General Public License. 028 * 029 * In accordance with Section 7(b) of the GNU Affero General Public License, 030 * a covered work must retain the producer line in every PDF that is created 031 * or manipulated using iText. 032 * 033 * You can be released from the requirements of the license by purchasing 034 * a commercial license. Buying such a license is mandatory as soon as you 035 * develop commercial activities involving the iText software without 036 * disclosing the source code of your own applications. 037 * These activities include: offering paid services to customers as an ASP, 038 * serving PDFs on the fly in a web application, shipping iText with a closed 039 * source product. 040 * 041 * For more information, please contact iText Software Corp. at this 042 * address: sales@itextpdf.com 043 */ 044package com.itextpdf.text.pdf; 045 046import java.io.IOException; 047 048/** 049 * Implements the PostScript XObject. 050 */ 051public class PdfPSXObject extends PdfTemplate { 052 053 /** Creates a new instance of PdfPSXObject */ 054 protected PdfPSXObject() { 055 super(); 056 } 057 058 /** 059 * Constructs a PSXObject 060 * @param wr 061 */ 062 public PdfPSXObject(PdfWriter wr) { 063 super(wr); 064 } 065 066 /** 067 * Gets the stream representing this object. 068 * 069 * @param compressionLevel the compressionLevel 070 * @return the stream representing this template 071 * @since 2.1.3 (replacing the method without param compressionLevel) 072 * @throws IOException 073 */ 074 075 PdfStream getFormXObject(int compressionLevel) throws IOException { 076 PdfStream s = new PdfStream(content.toByteArray()); 077 s.put(PdfName.TYPE, PdfName.XOBJECT); 078 s.put(PdfName.SUBTYPE, PdfName.PS); 079 s.flateCompress(compressionLevel); 080 return s; 081 } 082 083 /** 084 * Gets a duplicate of this <CODE>PdfPSXObject</CODE>. All 085 * the members are copied by reference but the buffer stays different. 086 * @return a copy of this <CODE>PdfPSXObject</CODE> 087 */ 088 089 public PdfContentByte getDuplicate() { 090 PdfPSXObject tpl = new PdfPSXObject(); 091 tpl.writer = writer; 092 tpl.pdf = pdf; 093 tpl.thisReference = thisReference; 094 tpl.pageResources = pageResources; 095 tpl.separator = separator; 096 return tpl; 097 } 098}