Files
3rdPartyLibraries/iTechSharp/iTextSharp/text/rtf/text/RtfPhrase.cs
2023-06-21 12:46:23 -04:00

198 lines
7.7 KiB
C#

using System;
using System.IO;
using System.Collections;
using iTextSharp.text;
using iTextSharp.text.rtf;
using iTextSharp.text.rtf.document;
using iTextSharp.text.rtf.style;
using ST = iTextSharp.text.rtf.style;
/*
* $Id: RtfPhrase.cs,v 1.10 2008/05/16 19:31:24 psoares33 Exp $
*
*
* Copyright 2001, 2002, 2003, 2004 by Mark Hall
*
* 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, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 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.rtf.text {
/**
* The RtfPhrase contains multiple RtfChunks
*
* @version $Id: RtfPhrase.cs,v 1.10 2008/05/16 19:31:24 psoares33 Exp $
* @author Mark Hall (Mark.Hall@mail.room3b.eu)
*/
public class RtfPhrase : RtfElement {
/**
* Constant for the resetting of the paragraph defaults
*/
public static byte[] PARAGRAPH_DEFAULTS = DocWriter.GetISOBytes("\\pard");
/**
* Constant for resetting of font settings to their defaults
*/
public static byte[] PLAIN = DocWriter.GetISOBytes("\\plain");
/**
* Constant for phrase in a table indication
*/
public static byte[] IN_TABLE = DocWriter.GetISOBytes("\\intbl");
/**
* Constant for the line spacing.
*/
public static byte[] LINE_SPACING = DocWriter.GetISOBytes("\\sl");
/**
* ArrayList containing the RtfChunks of this RtfPhrase
*/
protected ArrayList chunks = new ArrayList();
/**
* The height of each line.
*/
private int lineLeading = 0;
/**
* A basically empty constructor that is used by the RtfParagraph.
*
* @param doc The RtfDocument this RtfPhrase belongs to.
*/
protected internal RtfPhrase(RtfDocument doc) : base(doc) {
}
/**
* Constructs a new RtfPhrase for the RtfDocument with the given Phrase
*
* @param doc The RtfDocument this RtfPhrase belongs to
* @param phrase The Phrase this RtfPhrase is based on
*/
public RtfPhrase(RtfDocument doc, Phrase phrase) : base(doc) {
if (phrase == null) {
return;
}
if (phrase.HasLeading()) {
this.lineLeading = (int) (phrase.Leading * TWIPS_FACTOR);
} else {
this.lineLeading = 0;
}
ST.RtfFont phraseFont = new ST.RtfFont(null, phrase.Font);
for (int i = 0; i < phrase.Count; i++) {
IElement chunk = (IElement) phrase[i];
if (chunk is Chunk) {
((Chunk) chunk).Font = phraseFont.Difference(((Chunk) chunk).Font);
}
try {
IRtfBasicElement[] rtfElements = doc.GetMapper().MapElement(chunk);
for (int j = 0; j < rtfElements.Length; j++) {
chunks.Add(rtfElements[j]);
}
} catch (DocumentException) {
}
}
}
/**
* Write the content of this RtfPhrase. First resets to the paragraph defaults
* then if the RtfPhrase is in a RtfCell a marker for this is written and finally
* the RtfChunks of this RtfPhrase are written.
*/
public override void WriteContent(Stream result) {
byte[] t;
result.Write(PARAGRAPH_DEFAULTS, 0, PARAGRAPH_DEFAULTS.Length);
result.Write(PLAIN, 0, PLAIN.Length);
if (inTable) {
result.Write(IN_TABLE, 0, IN_TABLE.Length);
}
if (this.lineLeading > 0) {
result.Write(LINE_SPACING, 0, LINE_SPACING.Length);
result.Write(t = IntToByteArray(this.lineLeading), 0, t.Length);
}
foreach (IRtfBasicElement rbe in chunks) {
rbe.WriteContent(result);
}
}
/**
* Sets whether this RtfPhrase is in a table. Sets the correct inTable setting for all
* child elements.
*
* @param inTable <code>True</code> if this RtfPhrase is in a table, <code>false</code> otherwise
*/
public override void SetInTable(bool inTable) {
base.SetInTable(inTable);
for (int i = 0; i < this.chunks.Count; i++) {
((IRtfBasicElement) this.chunks[i]).SetInTable(inTable);
}
}
/**
* Sets whether this RtfPhrase is in a header. Sets the correct inTable setting for all
* child elements.
*
* @param inHeader <code>True</code> if this RtfPhrase is in a header, <code>false</code> otherwise
*/
public override void SetInHeader(bool inHeader) {
base.SetInHeader(inHeader);
for (int i = 0; i < this.chunks.Count; i++) {
((IRtfBasicElement) this.chunks[i]).SetInHeader(inHeader);
}
}
/**
* Sets the RtfDocument this RtfPhrase belongs to. Also sets the RtfDocument for all child
* elements.
*
* @param doc The RtfDocument to use
*/
public override void SetRtfDocument(RtfDocument doc) {
base.SetRtfDocument(doc);
for (int i = 0; i < this.chunks.Count; i++) {
((IRtfBasicElement) this.chunks[i]).SetRtfDocument(this.document);
}
}
}
}