qgsinvertedpolygonrenderer.h

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/***************************************************************************
    qgsinvertedpolygonrenderer.h
    ---------------------
    begin                : April 2014
    copyright            : (C) 2014 Hugo Mercier / Oslandia
    email                : hugo dot mercier at oslandia 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 QGSINVERTEDPOLYGONRENDERER_H
#define QGSINVERTEDPOLYGONRENDERER_H
 
#include "qgis.h"
#include "qgis_core.h"
#include "qgis_sip.h"
#include "qgsexpression.h"
#include "qgsfeature.h"
#include "qgsgeometry.h"
#include "qgsmergedfeaturerenderer.h"
#include "qgsrenderer.h"

class CORE_EXPORT QgsInvertedPolygonRenderer : public QgsMergedFeatureRenderer
{
  public:
    QgsInvertedPolygonRenderer( QgsFeatureRenderer *embeddedRenderer SIP_TRANSFER = nullptr );

    QgsInvertedPolygonRenderer( const QgsInvertedPolygonRenderer & ) = delete;
    QgsInvertedPolygonRenderer &operator=( const QgsInvertedPolygonRenderer & ) = delete;
 
    QgsInvertedPolygonRenderer *clone() const override SIP_FACTORY;
 
    QString dump() const override;

    static std::unique_ptr<QgsFeatureRenderer> create( QDomElement &element, const QgsReadWriteContext &context ); // cppcheck-suppress duplInheritedMember
 
    QDomElement save( QDomDocument &doc, const QgsReadWriteContext &context ) override;

    bool preprocessingEnabled() const { return mOperation == MergeAndInvert; }

    void setPreprocessingEnabled( bool enabled ) { mOperation = enabled ? MergeAndInvert : InvertOnly; }

    static std::unique_ptr<QgsInvertedPolygonRenderer> convertFromRenderer( const QgsFeatureRenderer *renderer ); // cppcheck-suppress duplInheritedMember
};
 
 
#endif // QGSINVERTEDPOLYGONRENDERER_H