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+/*
+ * $Id: RtfColorList.java,v 1.16 2005/05/04 14:33:52 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.style;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+
+import com.lowagie.text.rtf.RtfElement;
+import com.lowagie.text.rtf.RtfExtendedElement;
+import com.lowagie.text.rtf.document.RtfDocument;
+
+
+/**
+ * The RtfColorList stores all colours that appear in the document. Black
+ * and White are always added
+ *
+ * @version $Version:$
+ * @author Mark Hall (mhall@edu.uni-klu.ac.at)
+ */
+public class RtfColorList extends RtfElement implements RtfExtendedElement {
+
+ /**
+ * Constant for the beginning of the colour table
+ */
+ private static final byte[] COLOR_TABLE = "\\colortbl".getBytes();
+
+ /**
+ * ArrayList containing all colours of this RtfColorList
+ */
+ ArrayList colorList = new ArrayList();
+
+ /**
+ * Constructs a new RtfColorList for the RtfDocument. Will add the default
+ * black and white colours.
+ *
+ * @param doc The RtfDocument this RtfColorList belongs to
+ */
+ public RtfColorList(RtfDocument doc) {
+ super(doc);
+ colorList.add(new RtfColor(doc, 0, 0, 0, 0));
+ colorList.add(new RtfColor(doc, 255, 255, 255, 1));
+ }
+
+ /**
+ * Returns the index of the given RtfColor in the colour list. If the RtfColor
+ * is not in the list of colours, then it is added.
+ *
+ * @param color The RtfColor for which to get the index
+ * @return The index of the RtfColor
+ */
+ public int getColorNumber(RtfColor color) {
+ int colorIndex = -1;
+ for(int i = 0; i < colorList.size(); i++) {
+ if(colorList.get(i).equals(color)) {
+ colorIndex = i;
+ }
+ }
+ if(colorIndex == -1) {
+ colorIndex = colorList.size();
+ colorList.add(color);
+ }
+ return colorIndex;
+ }
+
+ /**
+ * Write the definition part of the colour list. Calls the writeDefinition
+ * methods of the RtfColors in the colour list.
+ *
+ * @return A byte array with the definition colour list
+ */
+ public byte[] writeDefinition() {
+ ByteArrayOutputStream result = new ByteArrayOutputStream();
+ try {
+ result.write(OPEN_GROUP);
+ result.write(COLOR_TABLE);
+ for(int i = 0; i < colorList.size(); i++) {
+ RtfColor color = (RtfColor) colorList.get(i);
+ result.write(color.writeDefinition());
+ }
+ result.write(CLOSE_GROUP);
+ result.write((byte)'\n');
+ } catch(IOException ioe) {
+ ioe.printStackTrace();
+ }
+ return result.toByteArray();
+ }
+
+}