Initial Commit

iTechSharp/iTextSharp/text/pdf/GlyphList.cs

@@ -0,0 +1,124 @@
+using System;
+using System.Collections;
+using System.IO;
+using System.Globalization;
+using System.util;
+
+/*
+ * $Id: GlyphList.cs,v 1.7 2008/05/13 11:25:17 psoares33 Exp $
+ * 
+ *
+ * Copyright 2001, 2002 Paulo Soares
+ *
+ * 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.pdf {
+
+    public class GlyphList {
+        private static Hashtable unicode2names = new Hashtable();
+        private static Hashtable names2unicode = new Hashtable();
+    
+        static GlyphList() {
+            Stream istr = null;
+            try {
+                istr = BaseFont.GetResourceStream(BaseFont.RESOURCE_PATH + "glyphlist.txt");
+                if (istr == null) {
+                    String msg = "glyphlist.txt not found as resource.";
+                    throw new Exception(msg);
+                }
+                byte[] buf = new byte[1024];
+                MemoryStream outp = new MemoryStream();
+                while (true) {
+                    int size = istr.Read(buf, 0, buf.Length);
+                    if (size == 0)
+                        break;
+                    outp.Write(buf, 0, size);
+                }
+                istr.Close();
+                istr = null;
+                String s = PdfEncodings.ConvertToString(outp.ToArray(), null);
+                StringTokenizer tk = new StringTokenizer(s, "\r\n");
+                while (tk.HasMoreTokens()) {
+                    String line = tk.NextToken();
+                    if (line.StartsWith("#"))
+                        continue;
+                    StringTokenizer t2 = new StringTokenizer(line, " ;\r\n\t\f");
+                    String name = null;
+                    String hex = null;
+                    if (!t2.HasMoreTokens())
+                        continue;
+                    name = t2.NextToken();
+                    if (!t2.HasMoreTokens())
+                        continue;
+                    hex = t2.NextToken();
+                    int num = int.Parse(hex, NumberStyles.HexNumber);
+                    unicode2names[num] = name;
+                    names2unicode[name] = new int[]{num};
+                }
+            }
+            catch (Exception e) {
+                Console.Error.WriteLine("glyphlist.txt loading error: " + e.Message);
+            }
+            finally {
+                if (istr != null) {
+                    try {
+                        istr.Close();
+                    }
+                    catch {
+                        // empty on purpose
+                    }
+                }
+            }
+        }
+    
+        public static int[] NameToUnicode(string name) {
+            return (int[])names2unicode[name];
+        }
+    
+        public static string UnicodeToName(int num) {
+            return (string)unicode2names[num];
+        }
+    }
+}