com.lowagie.text.rtf.text.RtfParagraph Maven / Gradle / Ivy
/*
* $Id: RtfParagraph.java,v 1.9 2004/12/27 07:10:06 blowagie Exp $
* $Name: $
*
* 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/
*/
package com.lowagie.text.rtf.text;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import com.lowagie.text.Element;
import com.lowagie.text.Paragraph;
import com.lowagie.text.rtf.RtfBasicElement;
import com.lowagie.text.rtf.RtfElement;
import com.lowagie.text.rtf.document.RtfDocument;
/**
* The RtfParagraph is an extension of the RtfPhrase that adds alignment and
* indentation properties. It wraps a Paragraph.
*
* @version $Version:$
* @author Mark Hall ([email protected])
*/
public class RtfParagraph extends RtfPhrase {
/**
* Constant for the end of a paragraph
*/
public static final byte[] PARAGRAPH = "\\par".getBytes();
/**
* Constant for left alignment
*/
public static final byte[] ALIGN_LEFT = "\\ql".getBytes();
/**
* Constant for right alignment
*/
public static final byte[] ALIGN_RIGHT = "\\qr".getBytes();
/**
* Constant for center alignment
*/
public static final byte[] ALIGN_CENTER = "\\qc".getBytes();
/**
* Constant for justified alignment
*/
public static final byte[] ALIGN_JUSTIFY = "\\qj".getBytes();
/**
* Constant for left indentation
*/
public static final byte[] INDENT_LEFT = "\\li".getBytes();
/**
* Constant for right indentation
*/
public static final byte[] INDENT_RIGHT = "\\ri".getBytes();
/**
* The alignment of this RtfParagraph
*/
private int alignment = Element.ALIGN_UNDEFINED;
/**
* The left indentation of this RtfParagraph
*/
private int indentLeft = 0;
/**
* The right indentation of this RtfParagraph
*/
private int indentRight = 0;
/**
* Constructs a RtfParagraph belonging to a RtfDocument based on a Paragraph.
*
* @param doc The RtfDocument this RtfParagraph belongs to
* @param paragraph The Paragraph that this RtfParagraph is based on
*/
public RtfParagraph(RtfDocument doc, Paragraph paragraph) {
super(doc, paragraph);
this.alignment = paragraph.alignment();
this.indentLeft = (int) (paragraph.indentationLeft() * RtfElement.TWIPS_FACTOR);
this.indentRight = (int) (paragraph.indentationRight() * RtfElement.TWIPS_FACTOR);
}
/**
* Writes the content of this RtfParagraph. First paragraph specific data is written
* and then the RtfChunks of this RtfParagraph are added.
*
* @return The content of this RtfParagraph
*/
public byte[] write() {
ByteArrayOutputStream result = new ByteArrayOutputStream();
try {
result.write(PARAGRAPH_DEFAULTS);
if(inTable) {
result.write(IN_TABLE);
}
switch (alignment) {
case Element.ALIGN_LEFT:
result.write(ALIGN_LEFT);
break;
case Element.ALIGN_RIGHT:
result.write(ALIGN_RIGHT);
break;
case Element.ALIGN_CENTER:
result.write(ALIGN_CENTER);
break;
case Element.ALIGN_JUSTIFIED:
case Element.ALIGN_JUSTIFIED_ALL:
result.write(ALIGN_JUSTIFY);
break;
}
result.write(INDENT_LEFT);
result.write(intToByteArray(indentLeft));
result.write(INDENT_RIGHT);
result.write(intToByteArray(indentRight));
for(int i = 0; i < chunks.size(); i++) {
result.write(((RtfBasicElement) chunks.get(i)).write());
}
if(!inTable) {
result.write(PARAGRAPH);
}
} catch(IOException ioe) {
ioe.printStackTrace();
}
return result.toByteArray();
}
}