Initial Commit

iTechSharp/iTextSharp/text/rtf/style/RtfFontList.cs

@@ -0,0 +1,147 @@
+using System;
+using System.IO;
+using System.Collections;
+using iTextSharp.text;
+using iTextSharp.text.rtf;
+using iTextSharp.text.rtf.document;
+/*
+ * $Id: RtfFontList.cs,v 1.6 2008/05/16 19:31:12 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.style {
+
+    /**
+    * The RtfFontList stores the list of fonts used in the rtf document. It also
+    * has methods for writing this list to the document
+    *
+    * Version: $Id: RtfFontList.cs,v 1.6 2008/05/16 19:31:12 psoares33 Exp $
+    * @author Mark Hall (Mark.Hall@mail.room3b.eu)
+    */
+    public class RtfFontList : RtfElement, IRtfExtendedElement {
+        
+        /**
+        * Constant for the default font
+        */
+        private static byte[] DEFAULT_FONT = DocWriter.GetISOBytes("\\deff");
+        /**
+        * Constant for the font table
+        */
+        private static byte[] FONT_TABLE = DocWriter.GetISOBytes("\\fonttbl");
+        /**
+        * Constant for the font number
+        */
+        public static byte[] FONT_NUMBER = DocWriter.GetISOBytes("\\f");
+        
+        /**
+        * The list of fonts
+        */
+        private ArrayList fontList = new ArrayList();
+
+        /**
+        * Creates a RtfFontList
+        *
+        * @param doc The RtfDocument this RtfFontList belongs to
+        */
+        public RtfFontList(RtfDocument doc) : base(doc) {
+            fontList.Add(new RtfFont(document, 0));
+        }
+
+        /**
+        * unused
+        */
+        public override void WriteContent(Stream outp) {       
+        }
+        
+        /**
+        * Gets the index of the font in the list of fonts. If the font does not
+        * exist in the list, it is added.
+        *
+        * @param font The font to get the id for
+        * @return The index of the font
+        */
+        public int GetFontNumber(RtfFont font) {
+            if(font is RtfParagraphStyle) {
+                font = new RtfFont(this.document, (RtfParagraphStyle) font);
+            }
+            int fontIndex = -1;
+            for (int i = 0; i < fontList.Count; i++) {
+                if (fontList[i].Equals(font)) {
+                    fontIndex = i;
+                }
+            }
+            if (fontIndex == -1) {
+                fontIndex = fontList.Count;
+                fontList.Add(font);
+            }
+            return fontIndex;
+        }
+
+        /**
+        * Writes the definition of the font list
+        */
+        public virtual void WriteDefinition(Stream result) {
+            byte[] t;
+            result.Write(DEFAULT_FONT, 0, DEFAULT_FONT.Length);
+            result.Write(t = IntToByteArray(0), 0, t.Length);
+            result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
+            result.Write(FONT_TABLE, 0, FONT_TABLE.Length);
+            for (int i = 0; i < fontList.Count; i++) {
+                result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
+                result.Write(FONT_NUMBER, 0, FONT_NUMBER.Length);
+                result.Write(t = IntToByteArray(i), 0, t.Length);
+                RtfFont rf = (RtfFont) fontList[i];
+                rf.WriteDefinition(result);
+                result.Write(COMMA_DELIMITER, 0, COMMA_DELIMITER.Length);
+                result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
+            }
+            result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
+            result.WriteByte((byte)'\n');
+        }
+    }
+}