/* -*- Mode: C++; c-default-style: "k&r"; indent-tabs-mode: nil; tab-width: 2; c-basic-offset: 2 -*- */

/* libmwaw

* Version: MPL 2.0 / LGPLv2+

*

* The contents of this file are subject to the Mozilla Public License Version

* 2.0 (the "License"); you may not use this file except in compliance with

* the License or as specified alternatively below. 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.

*

* Major Contributor(s):

* Copyright (C) 2002 William Lachance (wrlach@gmail.com)

* Copyright (C) 2002,2004 Marc Maurer (uwog@uwog.net)

* Copyright (C) 2004-2006 Fridrich Strba (fridrich.strba@bluewin.ch)

* Copyright (C) 2006, 2007 Andrew Ziem

* Copyright (C) 2011, 2012 Alonso Laurent (alonso@loria.fr)

*

*

* All Rights Reserved.

*

* 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 or later (the "LGPLv2+"),

* in which case the provisions of the LGPLv2+ are applicable

* instead of those above.

*/

/*

 * Parser to LightWay Text document ( graphic part )

 *

 */

#ifndef LIGHT_WAY_TXT_GRAPH

#  define LIGHT_WAY_TXT_GRAPH

#include <string>

#include <vector>

#include <librevenge/librevenge.h>

#include "libmwaw_internal.hxx"

#include "MWAWDebug.hxx"

#include "MWAWInputStream.hxx"

namespace LightWayTxtGraphInternal

{

struct State;

}

class LightWayTxtParser;

/** \brief the main class to read the graphic part of a LightWay Text file

 *

 *

 *

 */

class LightWayTxtGraph

{

  friend class LightWayTxtParser;

public:

  //! constructor

  explicit LightWayTxtGraph(LightWayTxtParser &parser);

  //! destructor

  virtual ~LightWayTxtGraph();

  /** returns the file version */

  int version() const;

  /** returns the number of pages */

  int numPages() const;

protected:

  //! finds the different graphic zones

  bool createZones();

  //! sends the data which have not yet been sent to the listener

  void flushExtra();

  //! try to send the page graphic

  bool sendPageGraphics();

  //! try to send a graph

  void send(int id);

  //

  // Intermediate level

  //

  //! try to send a JPEG resource

  bool sendJPEG(MWAWEntry const &entry);

  //! try to send a PICT resource

  bool sendPICT(MWAWEntry const &entry);

  //

  // low level

  //

  //! try to find a JPEG size

  static bool findJPEGSize(librevenge::RVNGBinaryData const &data, MWAWVec2i &sz);

private:

  LightWayTxtGraph(LightWayTxtGraph const &orig) = delete;

  LightWayTxtGraph &operator=(LightWayTxtGraph const &orig) = delete;

protected:

  //

  // data

  //

  //! the parser state

  MWAWParserStatePtr m_parserState;

  //! the state

  std::shared_ptr<LightWayTxtGraphInternal::State> m_state;

  //! the main parser;

  LightWayTxtParser *m_mainParser;

};

#endif

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