qgsvectortilemvtdecoder.h

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/***************************************************************************
  qgsvectortilemvtdecoder.h
  --------------------------------------
  Date                 : March 2020
  Copyright            : (C) 2020 by Martin Dobias
  Email                : wonder dot sk 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 QGSVECTORTILEMVTDECODER_H
#define QGSVECTORTILEMVTDECODER_H
 
#define SIP_NO_FILE
 
class QgsFeature;
 
#include "qgsvectortilematrixset.h"
#include "qgsvectortilerenderer.h"
#include "vector_tile.pb.h"
 
#include <QMap>
#include <QStringList>
 
class QgsVectorTileRawData;

class CORE_EXPORT QgsVectorTileMVTDecoder
{
  public:

    QgsVectorTileMVTDecoder( const QgsVectorTileMatrixSet &structure );
    ~QgsVectorTileMVTDecoder();

    bool decode( const QgsVectorTileRawData &rawTileData );

    QStringList layers() const;

    QStringList layerFieldNames( const QString &layerName ) const;

    QgsVectorTileFeatures layerFeatures( const QMap<QString, QgsFields> &perLayerFields, const QgsCoordinateTransform &ct,
                                         const QSet< QString > *layerSubset = nullptr ) const;
 
  private:
    QMap<QString, vector_tile::Tile> tiles;
    QgsTileXYZ mTileID;
    QgsVectorTileMatrixSet mStructure;
    QMap<QString, QMap<QString, int>> mLayerNameToIndex;
};
 
#endif // QGSVECTORTILEMVTDECODER_H