MBTILES.h

/***************************************************************************
 *   Copyright (C) 2022-2024 by Stefan Kebekus                             *
 *   stefan.kebekus@gmail.com                                              *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
 
#pragma once
 
#include <QFile>
#include <QMap>
#include <QObject>
#include <QSharedPointer>
 
#include "fileFormats/DataFileAbstract.h"
 
 
namespace FileFormats
{
 
  class MBTILES : public DataFileAbstract
  {
 
  public:
    enum Format : quint8
    {
      Unknown,

      Vector,

      Raster,
    };

    MBTILES();

    MBTILES(const QString& fileName);

    ~MBTILES();

    [[nodiscard]] QString attribution();

    [[nodiscard]] FileFormats::MBTILES::Format format();

    [[nodiscard]] QString info();

    [[nodiscard]] QByteArray tile(int zoom, int x, int y);

    [[nodiscard]] int tileSize();

    [[nodiscard]] QMap<QString, QString> metaData() const
    {
      return m_metadata;
    }

    [[nodiscard]] QString fileName() const
    {
      return m_fileName;
    }
 
  private:
    //
    Q_DISABLE_COPY_MOVE(MBTILES)
 
    // Name of the MBTILES file
    QString m_fileName;
    QSharedPointer<QFile> m_file;
 
    // Name of the data base connection. This name is unique to each instance of
    // this class, and should therefore not be copied.
    QString m_databaseConnectionName;
    QMap<QString, QString> m_metadata;
  };
 
} // namespace FileFormats