001/* 002 * $Id: PdfFormXObject.java 4798 2011-04-06 11:45:02Z 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; 045 046/** 047 * <CODE>PdfFormObject</CODE> is a type of XObject containing a template-object. 048 */ 049 050public class PdfFormXObject extends PdfStream { 051 052 // public static final variables 053 054/** This is a PdfNumber representing 0. */ 055 public static final PdfNumber ZERO = new PdfNumber(0); 056 057/** This is a PdfNumber representing 1. */ 058 public static final PdfNumber ONE = new PdfNumber(1); 059 060/** This is the 1 - matrix. */ 061 public static final PdfLiteral MATRIX = new PdfLiteral("[1 0 0 1 0 0]"); 062 063/** 064 * Constructs a <CODE>PdfFormXObject</CODE>-object. 065 * 066 * @param template the template 067 * @param compressionLevel the compression level for the stream 068 * @since 2.1.3 (Replacing the existing constructor with param compressionLevel) 069 */ 070 071 PdfFormXObject(PdfTemplate template, int compressionLevel) // throws BadPdfFormatException 072 { 073 super(); 074 put(PdfName.TYPE, PdfName.XOBJECT); 075 put(PdfName.SUBTYPE, PdfName.FORM); 076 put(PdfName.RESOURCES, template.getResources()); 077 put(PdfName.BBOX, new PdfRectangle(template.getBoundingBox())); 078 put(PdfName.FORMTYPE, ONE); 079 if (template.getLayer() != null) 080 put(PdfName.OC, template.getLayer().getRef()); 081 if (template.getGroup() != null) 082 put(PdfName.GROUP, template.getGroup()); 083 PdfArray matrix = template.getMatrix(); 084 if (matrix == null) 085 put(PdfName.MATRIX, MATRIX); 086 else 087 put(PdfName.MATRIX, matrix); 088 bytes = template.toPdf(null); 089 put(PdfName.LENGTH, new PdfNumber(bytes.length)); 090 if (template.getAdditional() != null) { 091 putAll(template.getAdditional()); 092 } 093 flateCompress(compressionLevel); 094 } 095 096}