qgsvtpktiles.h

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/***************************************************************************
  qgsvtpktiles.h
  --------------------------------------
  Date                 : March 2022
  Copyright            : (C) 2022 by Nyall Dawson
  Email                : nyall dot dawson at gmail dot 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 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSVTPKTILES_H
#define QGSVTPKTILES_H
 
#include <sqlite3.h>
 
#include "qgis_core.h"
#include "qgsvectortilematrixset.h"
 
#include <QVariantMap>
 
class QImage;
class QgsRectangle;
class QgsVectorTileMatrixSet;
class QgsLayerMetadata;

class CORE_EXPORT QgsVtpkTiles
{
  public:
    explicit QgsVtpkTiles( const QString &filename );
 
#ifndef SIP_RUN
    QgsVtpkTiles( const QgsVtpkTiles &other ) = delete;
    QgsVtpkTiles &operator=( const QgsVtpkTiles &other ) = delete;
#endif
    ~QgsVtpkTiles();

    bool open();

    bool isOpen() const;

    QVariantMap metadata() const;

    QVariantMap styleDefinition() const;

    QVariantMap spriteDefinition() const;

    QImage spriteImage() const;

    QgsLayerMetadata layerMetadata() const;

    QVariantMap rootTileMap() const;

    QgsVectorTileMatrixSet matrixSet() const;

    QgsCoordinateReferenceSystem crs() const;

    QgsRectangle extent( const QgsCoordinateTransformContext &context ) const;

    QByteArray tileData( int z, int x, int y );
 
  private:
 
#ifdef SIP_RUN
    QgsVtpkTiles( const QgsVtpkTiles &other );
#endif
 
    QString mFilename;
    struct zip *mZip = nullptr;
    mutable QVariantMap mMetadata;
    mutable QgsVectorTileMatrixSet mMatrixSet;
    mutable QString mTileMapPath;
    mutable bool mHasReadTileMap = false;
    mutable QVariantMap mRootTileMap;
    mutable int mPacketSize = -1;
};
 
 
#endif // QGSVTPKTILES_H