123 lines
4.8 KiB
C#
123 lines
4.8 KiB
C#
using System;
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using System.IO;
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using System.Collections;
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using iTextSharp.text;
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/*
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* $Id: EnumerateTTC.cs,v 1.3 2008/05/13 11:25:17 psoares33 Exp $
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*
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*
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* Copyright 2001, 2002 by Paulo Soares.
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the License.
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*
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* The Original Code is 'iText, a free JAVA-PDF library'.
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*
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* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
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* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
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* All Rights Reserved.
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* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
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* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
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*
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* Contributor(s): all the names of the contributors are added in the source code
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* where applicable.
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*
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* Alternatively, the contents of this file may be used under the terms of the
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* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
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* provisions of LGPL are applicable instead of those above. If you wish to
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* allow use of your version of this file only under the terms of the LGPL
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* License and not to allow others to use your version of this file under
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* the MPL, indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by the LGPL.
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* If you do not delete the provisions above, a recipient may use your version
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* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the MPL as stated above or under the terms of the GNU
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* Library General Public License as published by the Free Software Foundation;
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* either version 2 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
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* details.
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*
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* If you didn't download this code from the following link, you should check if
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* you aren't using an obsolete version:
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* http://www.lowagie.com/iText/
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*/
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namespace iTextSharp.text.pdf {
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/** Enumerates all the fonts inside a True Type Collection.
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*
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* @author Paulo Soares (psoares@consiste.pt)
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*/
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internal class EnumerateTTC : TrueTypeFont {
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protected String[] names;
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internal EnumerateTTC(String ttcFile) {
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fileName = ttcFile;
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rf = new RandomAccessFileOrArray(ttcFile);
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FindNames();
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}
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internal EnumerateTTC(byte[] ttcArray) {
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fileName = "Byte array TTC";
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rf = new RandomAccessFileOrArray(ttcArray);
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FindNames();
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}
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internal void FindNames() {
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tables = new Hashtable();
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try {
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String mainTag = ReadStandardString(4);
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if (!mainTag.Equals("ttcf"))
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throw new DocumentException(fileName + " is not a valid TTC file.");
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rf.SkipBytes(4);
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int dirCount = rf.ReadInt();
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names = new String[dirCount];
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int dirPos = rf.FilePointer;
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for (int dirIdx = 0; dirIdx < dirCount; ++dirIdx) {
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tables.Clear();
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rf.Seek(dirPos);
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rf.SkipBytes(dirIdx * 4);
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directoryOffset = rf.ReadInt();
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rf.Seek(directoryOffset);
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if (rf.ReadInt() != 0x00010000)
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throw new DocumentException(fileName + " is not a valid TTF file.");
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int num_tables = rf.ReadUnsignedShort();
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rf.SkipBytes(6);
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for (int k = 0; k < num_tables; ++k) {
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String tag = ReadStandardString(4);
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rf.SkipBytes(4);
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int[] table_location = new int[2];
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table_location[0] = rf.ReadInt();
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table_location[1] = rf.ReadInt();
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tables[tag] = table_location;
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}
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names[dirIdx] = this.BaseFont;
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}
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}
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finally {
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if (rf != null)
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rf.Close();
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}
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}
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internal String[] Names {
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get {
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return names;
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}
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}
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}
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} |