WPGHeader.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
00002 /* libwpg
00003  * Version: MPL 2.0 / LGPLv2.1+
00004  *
00005  * This Source Code Form is subject to the terms of the Mozilla Public
00006  * License, v. 2.0. If a copy of the MPL was not distributed with this
00007  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
00008  *
00009  * Major Contributor(s):
00010  * Copyright (C) 2006 Ariya Hidayat (ariya@kde.org)
00011  * Copyright (C) 2004 Marc Oude Kotte (marc@solcon.nl)
00012  *
00013  * For minor contributions see the git repository.
00014  *
00015  * Alternatively, the contents of this file may be used under the terms
00016  * of the GNU Lesser General Public License Version 2.1 or later
00017  * (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are
00018  * applicable instead of those above.
00019  *
00020  * For further information visit http://libwpg.sourceforge.net
00021  */
00022 
00023 /* "This product is not manufactured, approved, or supported by
00024  * Corel Corporation or Corel Corporation Limited."
00025  */
00026 
00027 #ifndef __WPGHEADER_H__
00028 #define __WPGHEADER_H__
00029 
00030 #include <librevenge-stream/librevenge-stream.h>
00031 
00032 class WPGHeader
00033 {
00034 public:
00035         WPGHeader();
00036 
00037         bool load(librevenge::RVNGInputStream *input);
00038 
00039         bool isSupported() const;
00040 
00041         unsigned long startOfDocument() const;
00042 
00043         int majorVersion() const;
00044 
00045 private:
00046         unsigned char m_identifier[4];          // should always be 0xFF followed by "WPC"
00047         unsigned long m_startOfDocument;        // index into file
00048         unsigned char m_productType;            // should always be 1 for WPG files
00049         unsigned char m_fileType;               // should always be 22 for WPG files
00050         unsigned char m_majorVersion;           // 2 for WPG 8.0 files
00051         unsigned char m_minorVersion;           // 0 for WPG 8.0 files
00052         unsigned int  m_encryptionKey;          // 0 when not encrypted
00053         unsigned int  m_startOfPacketData;      // unused, since according to the docs no packets are defined
00054 };
00055 
00056 #endif // WPGHEADER
00057 /* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */