001: /*
002: * $Id: RtfColorList.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 RtfColorList stores all colours that appear in the document. Black
064: * and White are always added
065: *
066: * @version $Id: RtfColorList.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 RtfColorList extends RtfElement implements
071: RtfExtendedElement {
072:
073: /**
074: * Constant for the beginning of the colour table
075: */
076: private static final byte[] COLOR_TABLE = "\\colortbl".getBytes();
077:
078: /**
079: * ArrayList containing all colours of this RtfColorList
080: */
081: ArrayList colorList = new ArrayList();
082:
083: /**
084: * Constructs a new RtfColorList for the RtfDocument. Will add the default
085: * black and white colours.
086: *
087: * @param doc The RtfDocument this RtfColorList belongs to
088: */
089: public RtfColorList(RtfDocument doc) {
090: super (doc);
091: colorList.add(new RtfColor(doc, 0, 0, 0, 0));
092: colorList.add(new RtfColor(doc, 255, 255, 255, 1));
093: }
094:
095: /**
096: * Returns the index of the given RtfColor in the colour list. If the RtfColor
097: * is not in the list of colours, then it is added.
098: *
099: * @param color The RtfColor for which to get the index
100: * @return The index of the RtfColor
101: */
102: public int getColorNumber(RtfColor color) {
103: int colorIndex = -1;
104: for (int i = 0; i < colorList.size(); i++) {
105: if (colorList.get(i).equals(color)) {
106: colorIndex = i;
107: }
108: }
109: if (colorIndex == -1) {
110: colorIndex = colorList.size();
111: colorList.add(color);
112: }
113: return colorIndex;
114: }
115:
116: /**
117: * unused
118: * @deprecated replaced by {@link #writeContent(OutputStream)}
119: */
120: public byte[] write() {
121: return (new byte[0]);
122: }
123:
124: /**
125: * unused
126: */
127: public void writeContent(final OutputStream out) throws IOException {
128: }
129:
130: /**
131: * Write the definition part of the colour list. Calls the writeDefinition
132: * methods of the RtfColors in the colour list.
133: *
134: * @return A byte array with the definition colour list
135: * @deprecated replaced by {@link #writeDefinition(OutputStream)}
136: */
137: public byte[] writeDefinition() {
138: ByteArrayOutputStream result = new ByteArrayOutputStream();
139: try {
140: writeDefinition(result);
141: } catch (IOException ioe) {
142: ioe.printStackTrace();
143: }
144: return result.toByteArray();
145: }
146:
147: /**
148: * Write the definition part of the colour list. Calls the writeDefinition
149: * methods of the RtfColors in the colour list.
150: */
151: public void writeDefinition(final OutputStream result)
152: throws IOException {
153: result.write(OPEN_GROUP);
154: result.write(COLOR_TABLE);
155: for (int i = 0; i < colorList.size(); i++) {
156: RtfColor color = (RtfColor) colorList.get(i);
157: //.result.write(color.writeDefinition());
158: color.writeDefinition(result);
159: }
160: result.write(CLOSE_GROUP);
161: result.write((byte) '\n');
162: }
163:
164: }
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