/* -*- 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.

*/

/* This header contains code specific to a pict mac file

 * see http://developer.apple.com/legacy/mac/library/documentation/mac/QuickDraw/QuickDraw-458.html

 */

#ifndef MWAW_PICT_MAC

#  define MWAW_PICT_MAC

#  include <ostream>

#  include <string>

#  include <librevenge/librevenge.h>

#  include "libmwaw_internal.hxx"

#  include "MWAWPictData.hxx"

/** \brief Class to read/store a Mac Pict1.0/2.0 */

class MWAWPictMac final : public MWAWPictData

{

public:

  //! destructor

  ~MWAWPictMac() final;

  //! returns the picture subtype

  SubType getSubType() const final

  {

    return MWAWPictData::PictMac;

  }

  //! returns the final picture

  bool getBinary(MWAWEmbeddedObject &picture) const final

  {

    if (!valid() || isEmpty()) return false;

    librevenge::RVNGBinaryData res;

    if (m_version == 1) {

      librevenge::RVNGBinaryData dataV2;

      if (convertPict1To2(m_data, dataV2)) {

        createFileData(dataV2, res);

        picture=MWAWEmbeddedObject(res, "image/pict");

        return true;

      }

    }

    createFileData(m_data, res);

    picture=MWAWEmbeddedObject(res, "image/pict");

    return true;

  }

  //! returns true if the picture is valid

  bool valid() const final

  {

    return (m_version >= 1) && (m_version <= 2);

  }

  /** a virtual function used to obtain a strict order,

   * must be redefined in the subs class */

  int cmp(MWAWPict const &a) const final

  {

    int diff = MWAWPictData::cmp(a);

    if (diff) return diff;

    auto const &aPict = static_cast<MWAWPictMac const &>(a);

    diff = m_version - aPict.m_version;

    if (diff) return (diff < 0) ? -1 : 1;

    diff = m_subVersion - aPict.m_subVersion;

    if (diff) return (diff < 0) ? -1 : 1;

    return 0;

  }

  //! convert a Pict1.0 in Pict2.0, if possible

  static bool convertPict1To2(librevenge::RVNGBinaryData const &orig, librevenge::RVNGBinaryData &result);

protected:

  //! protected constructor: use check to construct a picture

  explicit MWAWPictMac(MWAWBox2f box)

    : MWAWPictData(box)

    , m_version(-1)

    , m_subVersion(-1)

  {

    extendBDBox(1.0);

  }

  friend class MWAWPictData;

  /** checks if the data pointed by input and of given size is a pict 1.0, 2.0 or 2.1

     - if not returns MWAW_R_BAD

     - if true

     - fills box if possible

     - creates a picture if result is given

  */

  static ReadResult checkOrGet(MWAWInputStreamPtr input, int size,

                               MWAWBox2f &box, MWAWPictData **result = nullptr);

  //! the picture version

  int m_version;

  //! the picture subversion

  int m_subVersion;

};

#endif

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