qgsfeaturerenderergenerator.h

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/***************************************************************************
     qgsfeaturerenderergenerator.h
     -----------------------
    Date                 : December 2020
    Copyright            : (C) 2020 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 QGSFEATURERENDERERGENERATOR_H
#define QGSFEATURERENDERERGENERATOR_H
 
#include "qgis_core.h"
#include "qgis_sip.h"
 
#include <QString>
 
class QgsFeatureRenderer;

class CORE_EXPORT QgsFeatureRendererGenerator
{
  public:
 
    virtual ~QgsFeatureRendererGenerator() = default;

    virtual QString id() const = 0;

    virtual double level() const;

    virtual QgsFeatureRenderer *createRenderer() const = 0 SIP_FACTORY;
};
 
#endif // QGSFEATURERENDERERGENERATOR_H