2023-06-21 12:46:23 -04:00

124 lines
5.0 KiB
C#

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];
}
}
}