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# WPGHeader.h

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    00001 /* libwpg
    00002  * Copyright (C) 2006 Ariya Hidayat (ariya@kde.org)
    00003  * Copyright (C) 2004 Marc Oude Kotte (marc@solcon.nl)
    00004  *
    00005  * This library is free software; you can redistribute it and/or
    00006  * modify it under the terms of the GNU Library General Public
    00007  * License as published by the Free Software Foundation; either
    00008  * version 2 of the License, or (at your option) any later version.
    00009  *
    00010  * This library is distributed in the hope that it will be useful,
    00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00013  * Library General Public License for more details.
    00014  *
    00015  * You should have received a copy of the GNU Library General Public
    00016  * License along with this library; if not, write to the
    00017  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    00018  * Boston, MA  02111-1301 USA
    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 <libwpd/WPXStream.h>
    00031
    00032 class WPGHeader
    00033 {
    00034 public:
    00035         WPGHeader();
    00036
    00037         bool load(WPXInputStream *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         unsigned char m_entryCount;             // number of entries in extension
    00055         unsigned char m_resourceComplete;       // resource completeness indicator
    00056         unsigned int  m_encryptionBlockOffset;  // encryption block offset
    00057         unsigned long m_fileSize;               // size of the entire wpg file
    00058         unsigned int  m_encryptVersion;         // encryption version information
    00059 };
    00060
    00061 #endif // WPGHEADER