244 lines
10 KiB
C#
244 lines
10 KiB
C#
using System;
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using System.Collections;
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using System.IO;
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using iTextSharp.text.pdf.interfaces;
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using Org.BouncyCastle.X509;
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/*
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* Copyright 2004 by Paulo Soares.
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the License.
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*
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* The Original Code is 'iText, a free JAVA-PDF library'.
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*
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* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
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* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
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* All Rights Reserved.
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* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
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* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
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*
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* Contributor(s): all the names of the contributors are added in the source code
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* where applicable.
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*
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* Alternatively, the contents of this file may be used under the terms of the
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* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
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* provisions of LGPL are applicable instead of those above. If you wish to
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* allow use of your version of this file only under the terms of the LGPL
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* License and not to allow others to use your version of this file under
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* the MPL, indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by the LGPL.
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* If you do not delete the provisions above, a recipient may use your version
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* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the MPL as stated above or under the terms of the GNU
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* Library General Public License as published by the Free Software Foundation;
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* either version 2 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
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* details.
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*
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* If you didn't download this code from the following link, you should check if
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* you aren't using an obsolete version:
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* http://www.lowagie.com/iText/
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*/
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namespace iTextSharp.text.pdf {
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/**
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* Concatenates PDF documents including form fields. The rules for the form field
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* concatenation are the same as in Acrobat. All the documents are kept in memory unlike
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* PdfCopy.
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* @author Paulo Soares (psoares@consiste.pt)
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*/
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public class PdfCopyFields : IPdfViewerPreferences, IPdfEncryptionSettings {
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private PdfCopyFieldsImp fc;
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/**
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* Creates a new instance.
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* @param os the output stream
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* @throws DocumentException on error
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* @throws IOException on error
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*/
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public PdfCopyFields(Stream os) {
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fc = new PdfCopyFieldsImp(os);
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}
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/**
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* Creates a new instance.
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* @param os the output stream
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* @param pdfVersion the pdf version the output will have
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* @throws DocumentException on error
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* @throws IOException on error
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*/
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public PdfCopyFields(Stream os, char pdfVersion) {
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fc = new PdfCopyFieldsImp(os, pdfVersion);
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}
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/**
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* Concatenates a PDF document.
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* @param reader the PDF document
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* @throws DocumentException on error
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*/
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public void AddDocument(PdfReader reader) {
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fc.AddDocument(reader);
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}
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/**
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* Concatenates a PDF document selecting the pages to keep. The pages are described as a
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* <CODE>List</CODE> of <CODE>Integer</CODE>. The page ordering can be changed but
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* no page repetitions are allowed.
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* @param reader the PDF document
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* @param pagesToKeep the pages to keep
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* @throws DocumentException on error
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*/
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public void AddDocument(PdfReader reader, ArrayList pagesToKeep) {
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fc.AddDocument(reader, pagesToKeep);
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}
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/**
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* Concatenates a PDF document selecting the pages to keep. The pages are described as
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* ranges. The page ordering can be changed but
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* no page repetitions are allowed.
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* @param reader the PDF document
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* @param ranges the comma separated ranges as described in {@link SequenceList}
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* @throws DocumentException on error
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*/
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public void AddDocument(PdfReader reader, String ranges) {
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fc.AddDocument(reader, SequenceList.Expand(ranges, reader.NumberOfPages));
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}
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/** Sets the encryption options for this document. The userPassword and the
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* ownerPassword can be null or have zero length. In this case the ownerPassword
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* is replaced by a random string. The open permissions for the document can be
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* AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations,
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* AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting.
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* The permissions can be combined by ORing them.
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* @param userPassword the user password. Can be null or empty
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* @param ownerPassword the owner password. Can be null or empty
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* @param permissions the user permissions
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* @param strength128Bits <code>true</code> for 128 bit key length, <code>false</code> for 40 bit key length
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* @throws DocumentException if the document is already open
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*/
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public void SetEncryption(byte[] userPassword, byte[] ownerPassword, int permissions, bool strength128Bits) {
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fc.SetEncryption(userPassword, ownerPassword, permissions, strength128Bits ? PdfWriter.STANDARD_ENCRYPTION_128 : PdfWriter.STANDARD_ENCRYPTION_40);
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}
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/**
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* Sets the encryption options for this document. The userPassword and the
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* ownerPassword can be null or have zero length. In this case the ownerPassword
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* is replaced by a random string. The open permissions for the document can be
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* AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations,
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* AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting.
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* The permissions can be combined by ORing them.
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* @param strength true for 128 bit key length. false for 40 bit key length
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* @param userPassword the user password. Can be null or empty
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* @param ownerPassword the owner password. Can be null or empty
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* @param permissions the user permissions
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* @throws DocumentException if the document is already open
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*/
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public void SetEncryption(bool strength, String userPassword, String ownerPassword, int permissions) {
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SetEncryption(DocWriter.GetISOBytes(userPassword), DocWriter.GetISOBytes(ownerPassword), permissions, strength);
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}
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/**
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* Closes the output document.
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*/
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public void Close() {
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fc.Close();
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}
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/**
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* Opens the document. This is usually not needed as AddDocument() will do it
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* automatically.
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*/
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public void Open() {
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fc.OpenDoc();
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}
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/**
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* Adds JavaScript to the global document
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* @param js the JavaScript
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*/
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public void AddJavaScript(String js) {
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fc.AddJavaScript(js, !PdfEncodings.IsPdfDocEncoding(js));
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}
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/**
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* Sets the bookmarks. The list structure is defined in
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* {@link SimpleBookmark}.
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* @param outlines the bookmarks or <CODE>null</CODE> to remove any
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*/
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public ArrayList Outlines {
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set {
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fc.Outlines = value;
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}
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}
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/** Gets the underlying PdfWriter.
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* @return the underlying PdfWriter
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*/
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public PdfWriter Writer {
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get {
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return fc;
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}
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}
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/**
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* Gets the 1.5 compression status.
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* @return <code>true</code> if the 1.5 compression is on
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*/
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public bool FullCompression {
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get {
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return fc.FullCompression;
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}
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}
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/**
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* Sets the document's compression to the new 1.5 mode with object streams and xref
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* streams. It can be set at any time but once set it can't be unset.
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* <p>
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* If set before opening the document it will also set the pdf version to 1.5.
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*/
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public void SetFullCompression() {
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fc.SetFullCompression();
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}
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/**
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* @see com.lowagie.text.pdf.interfaces.PdfEncryptionSettings#setEncryption(byte[], byte[], int, int)
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*/
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public void SetEncryption(byte[] userPassword, byte[] ownerPassword, int permissions, int encryptionType) {
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fc.SetEncryption(userPassword, ownerPassword, permissions, encryptionType);
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}
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/**
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* @see com.lowagie.text.pdf.interfaces.PdfViewerPreferences#addViewerPreference(com.lowagie.text.pdf.PdfName, com.lowagie.text.pdf.PdfObject)
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*/
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public void AddViewerPreference(PdfName key, PdfObject value) {
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fc.AddViewerPreference(key, value);
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}
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/**
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* @see com.lowagie.text.pdf.interfaces.PdfViewerPreferences#setViewerPreferences(int)
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*/
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public int ViewerPreferences {
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set {
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fc.ViewerPreferences = value;
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}
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}
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/**
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* @see com.lowagie.text.pdf.interfaces.PdfEncryptionSettings#setEncryption(java.security.cert.Certificate[], int[], int)
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*/
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public void SetEncryption(X509Certificate[] certs, int[] permissions, int encryptionType) {
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fc.SetEncryption(certs, permissions, encryptionType);
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}
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}
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} |