/* -*- 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) 2006, 2007 Andrew Ziem

 * Copyright (C) 2003-2005 William Lachance (william.lachance@sympatico.ca)

 * Copyright (C) 2003 Marc Maurer (uwog@uwog.net)

 *

 * 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.

 */

#ifndef QUATTRO9_GRAPH_H

#define QUATTRO9_GRAPH_H

#include <ostream>

#include <map>

#include <vector>

#include <librevenge-stream/librevenge-stream.h>

#include "libwps_internal.h"

#include "WPSDebug.h"

#include "WKSContentListener.h"

#include "WPSGraphicStyle.h"

namespace Quattro9GraphInternal

{

struct Graph;

struct Shape;

struct State;

class SubDocument;

}

class Quattro9Parser;

/**

 * This class parses Quattro9Pro graph file

 *

 */

class Quattro9Graph

{

public:

  friend class Quattro9Parser;

  friend class Quattro9GraphInternal::SubDocument;

  //! constructor

  explicit Quattro9Graph(Quattro9Parser &parser);

  //! destructor

  ~Quattro9Graph();

  //! sets the listener

  void setListener(WKSContentListenerPtr &listen)

  {

    m_listener = listen;

  }

  //! clean internal state

  void cleanState();

  //! update the state (need to be called before sending data)

  void updateState();

  //! returns the color corresponding to an id

  bool getColor(int id, WPSColor &color) const;

  //! returns the pattern corresponding to a pattern id between 0 and 24

  bool getPattern(int id, WPSGraphicStyle::Pattern &pattern) const;

protected:

  //! return the file version

  int version() const;

  //! return the file sub version

  int subversion() const;

  //! stores the OLE objets

  void storeObjects(std::map<librevenge::RVNGString,WPSEmbeddedObject> const &nameToObjectMap);

  //! send the page graphic corresponding to a sheet

  bool sendPageGraphics(int sheetId) const;

  //! send a shape

  bool sendShape(Quattro9GraphInternal::Graph const &graph, int sheetId) const;

  //! send a shape (recursif)

  bool sendShape(Quattro9GraphInternal::Shape const &shape, WPSTransformation const &transf) const;

  //! send a shape

  bool sendShape(WPSGraphicShape const &shape, WPSGraphicStyle const &style, WPSTransformation const &transf) const;

  //! send a OLE

  bool sendOLE(Quattro9GraphInternal::Graph const &graph, int sheetId) const;

  //! send a textbox

  bool sendTextbox(Quattro9GraphInternal::Graph const &graph, int sheetId) const;

  //

  // low level

  //

  //! read the begin/end graph zone: 1401/1402

  bool readBeginEnd(std::shared_ptr<WPSStream> stream, int sheetId);

  //! try to read a begin/end  zone: 2051

  bool readBeginEndZone(std::shared_ptr<WPSStream> const &stream);

  //! try to read a graph header zone: 2051

  bool readGraphHeader(std::shared_ptr<WPSStream> const &stream);

  //! try to read a frame style zone: 2131

  static bool readFrameStyle(std::shared_ptr<WPSStream> const &stream);

  //! try to read a frame style zone: 2141

  static bool readFramePattern(std::shared_ptr<WPSStream> const &stream);

  //! try to read a frame header zone: 2171

  static bool readFrameHeader(std::shared_ptr<WPSStream> const &stream);

  //! try to read the OLE name zone: 21d1

  bool readOLEName(std::shared_ptr<WPSStream> const &stream);

  //! try to read a shape zone: 2221, 23d1

  bool readShape(std::shared_ptr<WPSStream> const &stream);

  //! try to read a shape sub zone: 2221, 23d1

  bool readShapeRec(std::shared_ptr<WPSStream> const &stream, long endPos, Quattro9GraphInternal::Shape &shape, WPSGraphicStyle const &actStyle);

  //! try to read a textbox style zone: 2371

  bool readTextboxStyle(std::shared_ptr<WPSStream> const &stream);

  //! try to read a textbox text zone: 2372

  bool readTextboxText(std::shared_ptr<WPSStream> const &stream);

private:

  Quattro9Graph(Quattro9Graph const &orig) = delete;

  Quattro9Graph &operator=(Quattro9Graph const &orig) = delete;

  std::shared_ptr<WKSContentListener> m_listener; /** the listener (if set)*/

  //! the main parser

  Quattro9Parser &m_mainParser;

  //! the internal state

  std::shared_ptr<Quattro9GraphInternal::State> m_state;

};

#endif /* QUATTRO9_GRAPH_H */

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