1 /*
2 * $Id: PdfFormXObject.java 3903 2009-04-24 10:03:48Z blowagie $
3 *
4 * Copyright 2001, 2002 Bruno Lowagie
5 *
6 * The contents of this file are subject to the Mozilla Public License Version 1.1
7 * (the "License"); you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at http://www.mozilla.org/MPL/
9 *
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the License.
13 *
14 * The Original Code is 'iText, a free JAVA-PDF library'.
15 *
16 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
17 * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
18 * All Rights Reserved.
19 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
20 * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
21 *
22 * Contributor(s): all the names of the contributors are added in the source code
23 * where applicable.
24 *
25 * Alternatively, the contents of this file may be used under the terms of the
26 * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
27 * provisions of LGPL are applicable instead of those above. If you wish to
28 * allow use of your version of this file only under the terms of the LGPL
29 * License and not to allow others to use your version of this file under
30 * the MPL, indicate your decision by deleting the provisions above and
31 * replace them with the notice and other provisions required by the LGPL.
32 * If you do not delete the provisions above, a recipient may use your version
33 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
34 *
35 * This library is free software; you can redistribute it and/or modify it
36 * under the terms of the MPL as stated above or under the terms of the GNU
37 * Library General Public License as published by the Free Software Foundation;
38 * either version 2 of the License, or any later version.
39 *
40 * This library is distributed in the hope that it will be useful, but WITHOUT
41 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
42 * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
43 * details.
44 *
45 * If you didn't download this code from the following link, you should check if
46 * you aren't using an obsolete version:
47 * http://www.lowagie.com/iText/
48 */
49
50 package com.lowagie.text.pdf;
51
52 /**
53 * <CODE>PdfFormObject</CODE> is a type of XObject containing a template-object.
54 */
55
56 public class PdfFormXObject extends PdfStream {
57
58 // public static final variables
59
60 /** This is a PdfNumber representing 0. */
61 public static final PdfNumber ZERO = new PdfNumber(0);
62
63 /** This is a PdfNumber representing 1. */
64 public static final PdfNumber ONE = new PdfNumber(1);
65
66 /** This is the 1 - matrix. */
67 public static final PdfLiteral MATRIX = new PdfLiteral("[1 0 0 1 0 0]");
68
69 /**
70 * Constructs a <CODE>PdfFormXObject</CODE>-object.
71 *
72 * @param template the template
73 * @param compressionLevel the compression level for the stream
74 * @since 2.1.3 (Replacing the existing constructor with param compressionLevel)
75 */
76
77 PdfFormXObject(PdfTemplate template, int compressionLevel) // throws BadPdfFormatException
78 {
79 super();
80 put(PdfName.TYPE, PdfName.XOBJECT);
81 put(PdfName.SUBTYPE, PdfName.FORM);
82 put(PdfName.RESOURCES, template.getResources());
83 put(PdfName.BBOX, new PdfRectangle(template.getBoundingBox()));
84 put(PdfName.FORMTYPE, ONE);
85 if (template.getLayer() != null)
86 put(PdfName.OC, template.getLayer().getRef());
87 if (template.getGroup() != null)
88 put(PdfName.GROUP, template.getGroup());
89 PdfArray matrix = template.getMatrix();
90 if (matrix == null)
91 put(PdfName.MATRIX, MATRIX);
92 else
93 put(PdfName.MATRIX, matrix);
94 bytes = template.toPdf(null);
95 put(PdfName.LENGTH, new PdfNumber(bytes.length));
96 flateCompress(compressionLevel);
97 }
98
99 }
100