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Java > Open Source Codes > com > caucho > quercus > lib > pdf > PDFPage


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */
29
30 package com.caucho.quercus.lib.pdf;
31
32 import com.caucho.util.L10N;
33
34 import java.io.IOException JavaDoc;
35 import java.util.ArrayList JavaDoc;
36 import java.util.logging.Logger JavaDoc;
37
38 /**
39  * pdf object oriented API facade
40  */
41 public class PDFPage {
42   private static final Logger JavaDoc log
43     = Logger.getLogger(PDFStream.class.getName());
44   private static final L10N L = new L10N(PDFStream.class);
45
46   private int _parent;
47   private int _id;
48
49   private PDFStream _stream;
50
51   private double _width;
52   private double _height;
53
54   private ArrayList JavaDoc<String JavaDoc> _resources = new ArrayList JavaDoc<String JavaDoc>();
55
56   PDFPage(PDFWriter out, int parent, double width, double height)
57   {
58     _parent = parent;
59     _id = out.allocateId(1);
60     _width = width;
61     _height = height;
62     _stream = new PDFStream(out.allocateId(1));
63   }
64
65   /**
66    * Returns the id.
67    */
68   public int getId()
69   {
70     return _id;
71   }
72
73   /**
74    * Returns the stream.
75    */
76   public PDFStream getStream()
77   {
78     return _stream;
79   }
80
81   void addResource(String JavaDoc resource)
82   {
83     if (! _resources.contains(resource))
84       _resources.add(resource);
85   }
86
87   void write(PDFWriter out)
88     throws IOException JavaDoc
89   {
90     out.beginObject(_id);
91     out.println(" << /Type /Page");
92     out.println(" /Parent " + _parent + " 0 R");
93     out.println(" /MediaBox [0 0 " + _width + " " + _height + "]");
94     out.println(" /Contents " + _stream.getId() + " 0 R");
95     out.println(" /Resources <<");
96
97     for (int i = 0; i < _resources.size(); i++) {
98       out.println(" " + _resources.get(i));
99     }
100
101     out.println(" >>");
102     out.println(" >>");
103     out.endObject();
104
105     _stream.write(out);
106   }
107 }
108
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