WPS8Graph.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* libwps
 * Version: MPL 2.0 / LGPLv2.1+
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Major Contributor(s):
 * Copyright (C) 2009, 2011 Alonso Laurent (alonso@loria.fr)
 * Copyright (C) 2006, 2007 Andrew Ziem
 * Copyright (C) 2004-2006 Fridrich Strba (fridrich.strba@bluewin.ch)
 * Copyright (C) 2004 Marc Maurer (uwog@uwog.net)
 * Copyright (C) 2003-2005 William Lachance (william.lachance@sympatico.ca)
 *
 * For minor contributions see the git repository.
 *
 * Alternatively, the contents of this file may be used under the terms
 * of the GNU Lesser General Public License Version 2.1 or later
 * (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are
 * applicable instead of those above.
 *
 * For further information visit http://libwps.sourceforge.net
 */
 
#ifndef WPS8_GRAPH
#  define WPS8_GRAPH
 
#include <map>
#include <vector>
 
#include "libwps_internal.h"
 
#include "WPSDebug.h"
 
class WPS8Parser;
 
namespace WPS8GraphInternal
{
struct State;
}

class WPS8Graph
{
        friend class WPS8Parser;
public:
        explicit WPS8Graph(WPS8Parser &parser);

        ~WPS8Graph();

        void setListener(WPSContentListenerPtr &listen)
        {
                m_listener = listen;
        }

        void computePositions() const;

        int numPages() const;

        bool sendObject(WPSPosition const &pos, int id, bool ole);

        bool sendIBGF(WPSPosition const &pos, int ibgfId);

        void sendObjects(int page, int pageToIgnore=-2);
 
protected:
        int version() const;

        void sendBorder(int borderId);

        void storeObjects(std::map<int,WPSEmbeddedObject> const &objectsMap);

        bool readStructures(RVNGInputStreamPtr const &input);
 
        // low level

        bool readPICT(RVNGInputStreamPtr const &input, WPSEntry const &entry);

        bool readIBGF(RVNGInputStreamPtr const &input, WPSEntry const &entry);

        bool readBDR(RVNGInputStreamPtr const &input, WPSEntry const &entry);

        libwps::DebugFile &ascii()
        {
                return m_asciiFile;
        }
private:
        WPS8Graph(WPS8Graph const &orig) = delete;
        WPS8Graph &operator=(WPS8Graph const &orig) = delete;
 
protected:
        WPSContentListenerPtr m_listener;

        WPS8Parser &m_mainParser;

        mutable std::shared_ptr<WPS8GraphInternal::State> m_state;

        libwps::DebugFile &m_asciiFile;
};
 
#endif
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