iTextSharp-LGPL/src/core/iTextSharp/text/pdf/PdfCopyFormsImp.cs

106 lines
4.3 KiB
C#

using System;
using System.IO;
using System.Collections;
using iTextSharp.text;
/*
* $Id: PdfCopyFormsImp.java 3665 2009-01-26 22:32:15Z xlv $
*
* Copyright 2009 Bruno Lowagie (inspired by Paulo Soares)
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (the "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999-2009 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000-2009 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library 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 Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
namespace iTextSharp.text.pdf {
/**
* Allows you to add one (or more) existing PDF document(s)
* and add the form(s) of (an)other PDF document(s).
* @since 2.1.5
*/
internal class PdfCopyFormsImp : PdfCopyFieldsImp {
/**
* This sets up the output document
* @param os The Outputstream pointing to the output document
* @throws DocumentException
*/
internal PdfCopyFormsImp(Stream os) : base(os) {
}
/**
* This method feeds in the source document
* @param reader The PDF reader containing the source document
* @throws DocumentException
*/
public void CopyDocumentFields(PdfReader reader) {
if (!reader.IsOpenedWithFullPermissions)
throw new BadPasswordException("PdfReader not opened with owner password");
if (readers2intrefs.ContainsKey(reader)) {
reader = new PdfReader(reader);
}
else {
if (reader.Tampered)
throw new DocumentException("The document was reused.");
reader.ConsolidateNamedDestinations();
reader.Tampered = true;
}
reader.ShuffleSubsetNames();
readers2intrefs[reader] = new IntHashtable();
fields.Add(reader.AcroFields);
UpdateCalculationOrder(reader);
}
/**
* This merge fields is slightly different from the mergeFields method
* of PdfCopyFields.
*/
internal override void MergeFields() {
for (int k = 0; k < fields.Count; ++k) {
Hashtable fd = ((AcroFields)fields[k]).Fields;
MergeWithMaster(fd);
}
}
}
}