001: /*
002: * $Id: RtfFontList.java 2776 2007-05-23 20:01:40Z hallm $
003: * $Name$
004: *
005: * Copyright 2001, 2002, 2003, 2004 by Mark Hall
006: *
007: * The contents of this file are subject to the Mozilla Public License Version 1.1
008: * (the "License"); you may not use this file except in compliance with the License.
009: * You may obtain a copy of the License at http://www.mozilla.org/MPL/
010: *
011: * Software distributed under the License is distributed on an "AS IS" basis,
012: * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
013: * for the specific language governing rights and limitations under the License.
014: *
015: * The Original Code is 'iText, a free JAVA-PDF library'.
016: *
017: * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
018: * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
019: * All Rights Reserved.
020: * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
021: * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
022: *
023: * Contributor(s): all the names of the contributors are added in the source code
024: * where applicable.
025: *
026: * Alternatively, the contents of this file may be used under the terms of the
027: * LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
028: * provisions of LGPL are applicable instead of those above. If you wish to
029: * allow use of your version of this file only under the terms of the LGPL
030: * License and not to allow others to use your version of this file under
031: * the MPL, indicate your decision by deleting the provisions above and
032: * replace them with the notice and other provisions required by the LGPL.
033: * If you do not delete the provisions above, a recipient may use your version
034: * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
035: *
036: * This library is free software; you can redistribute it and/or modify it
037: * under the terms of the MPL as stated above or under the terms of the GNU
038: * Library General Public License as published by the Free Software Foundation;
039: * either version 2 of the License, or any later version.
040: *
041: * This library is distributed in the hope that it will be useful, but WITHOUT
042: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
043: * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
044: * details.
045: *
046: * If you didn't download this code from the following link, you should check if
047: * you aren't using an obsolete version:
048: * http://www.lowagie.com/iText/
049: */
050:
051: package com.lowagie.text.rtf.style;
052:
053: import java.io.ByteArrayOutputStream;
054: import java.io.IOException;
055: import java.io.OutputStream;
056: import java.util.ArrayList;
057:
058: import com.lowagie.text.rtf.RtfElement;
059: import com.lowagie.text.rtf.RtfExtendedElement;
060: import com.lowagie.text.rtf.document.RtfDocument;
061:
062: /**
063: * The RtfFontList stores the list of fonts used in the rtf document. It also
064: * has methods for writing this list to the document
065: *
066: * Version: $Id: RtfFontList.java 2776 2007-05-23 20:01:40Z hallm $
067: * @author Mark Hall (mhall@edu.uni-klu.ac.at)
068: * @author Thomas Bickel (tmb99@inode.at)
069: */
070: public class RtfFontList extends RtfElement implements
071: RtfExtendedElement {
072:
073: /**
074: * Constant for the default font
075: */
076: private static final byte[] DEFAULT_FONT = "\\deff".getBytes();
077: /**
078: * Constant for the font table
079: */
080: private static final byte[] FONT_TABLE = "\\fonttbl".getBytes();
081: /**
082: * Constant for the font number
083: */
084: public static final byte[] FONT_NUMBER = "\\f".getBytes();
085:
086: /**
087: * The list of fonts
088: */
089: private ArrayList fontList = new ArrayList();
090:
091: /**
092: * Creates a RtfFontList
093: *
094: * @param doc The RtfDocument this RtfFontList belongs to
095: */
096: public RtfFontList(RtfDocument doc) {
097: super (doc);
098: fontList.add(new RtfFont(document, 0));
099: }
100:
101: /**
102: * unused
103: * @deprecated replaced by {@link #writeContent(OutputStream)}
104: */
105: public byte[] write() {
106: return (new byte[0]);
107: }
108:
109: /**
110: * unused
111: */
112: public void writeContent(OutputStream out) throws IOException {
113: }
114:
115: /**
116: * Gets the index of the font in the list of fonts. If the font does not
117: * exist in the list, it is added.
118: *
119: * @param font The font to get the id for
120: * @return The index of the font
121: */
122: public int getFontNumber(RtfFont font) {
123: if (font instanceof RtfParagraphStyle) {
124: font = new RtfFont(this .document, font);
125: }
126: int fontIndex = -1;
127: for (int i = 0; i < fontList.size(); i++) {
128: if (fontList.get(i).equals(font)) {
129: fontIndex = i;
130: }
131: }
132: if (fontIndex == -1) {
133: fontIndex = fontList.size();
134: fontList.add(font);
135: }
136: return fontIndex;
137: }
138:
139: /**
140: * Writes the definition of the font list
141: *
142: * @return A byte array with the definition of the font list
143: * @deprecated replaced by {@link #writeDefinition(OutputStream)}
144: */
145: public byte[] writeDefinition() {
146: ByteArrayOutputStream result = new ByteArrayOutputStream();
147: try {
148: writeDefinition(result);
149: } catch (IOException ioe) {
150: ioe.printStackTrace();
151: }
152: return result.toByteArray();
153: }
154:
155: /**
156: * Writes the definition of the font list
157: */
158: public void writeDefinition(final OutputStream result)
159: throws IOException {
160: result.write(DEFAULT_FONT);
161: result.write(intToByteArray(0));
162: result.write(OPEN_GROUP);
163: result.write(FONT_TABLE);
164: for (int i = 0; i < fontList.size(); i++) {
165: result.write(OPEN_GROUP);
166: result.write(FONT_NUMBER);
167: result.write(intToByteArray(i));
168: RtfFont rf = (RtfFont) fontList.get(i);
169: //.result.write((rf).writeDefinition());
170: rf.writeDefinition(result);
171: result.write(COMMA_DELIMITER);
172: result.write(CLOSE_GROUP);
173: }
174: result.write(CLOSE_GROUP);
175: result.write((byte) '\n');
176: }
177:
178: }
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