QGIS API Documentation  3.21.0-Master (5b68dc587e)
qgsfeaturerenderergenerator.h
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1 /***************************************************************************
2  qgsfeaturerenderergenerator.h
3  -----------------------
4  Date : December 2020
5  Copyright : (C) 2020 by Nyall Dawson
6  Email : nyall dot dawson at gmail dot com
7  ***************************************************************************
8  * *
9  * This program is free software; you can redistribute it and/or modify *
10  * it under the terms of the GNU General Public License as published by *
11  * the Free Software Foundation; either version 2 of the License, or *
12  * (at your option) any later version. *
13  * *
14  ***************************************************************************/
15 
16 #ifndef QGSFEATURERENDERERGENERATOR_H
17 #define QGSFEATURERENDERERGENERATOR_H
18 
19 #include "qgis_core.h"
20 #include "qgis_sip.h"
21 #include <QString>
22 
23 class QgsFeatureRenderer;
24 
31 class CORE_EXPORT QgsFeatureRendererGenerator
32 {
33  public:
34 
35  virtual ~QgsFeatureRendererGenerator() = default;
36 
40  virtual QString id() const = 0;
41 
62  virtual double level() const;
63 
70 };
71 
72 #endif // QGSFEATURERENDERERGENERATOR_H
An interface for objects which generate feature renderers for vector layers.
virtual QString id() const =0
Returns a unique ID string identifying the renderer generator.
virtual QgsFeatureRenderer * createRenderer() const =0
Creates a new feature renderer to use when rendering a vector layer.
virtual ~QgsFeatureRendererGenerator()=default
#define SIP_FACTORY
Definition: qgis_sip.h:76