qgsalgorithmcentroid.h

Go to the documentation of this file.

/***************************************************************************
                         qgsalgorithmcentroid.h
                         ----------------------
    begin                : April 2017
    copyright            : (C) 2017 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 QGSALGORITHMCENTROID_H
#define QGSALGORITHMCENTROID_H
 
#define SIP_NO_FILE
 
#include "qgis_sip.h"
#include "qgsprocessingalgorithm.h"
#include "qgsapplication.h"
 
 
class QgsCentroidAlgorithm : public QgsProcessingFeatureBasedAlgorithm
{
 
  public:
 
    QgsCentroidAlgorithm() = default;
    QIcon icon() const override { return QgsApplication::getThemeIcon( QStringLiteral( "/algorithms/mAlgorithmCentroids.svg" ) ); }
    QString svgIconPath() const override { return QgsApplication::iconPath( QStringLiteral( "/algorithms/mAlgorithmCentroids.svg" ) ); }
    QString name() const override;
    QString displayName() const override;
    QStringList tags() const override;
    QString group() const override;
    QString groupId() const override;
    QString shortHelpString() const override;
    QgsCentroidAlgorithm *createInstance() const override SIP_FACTORY;
    void initParameters( const QVariantMap &configuration = QVariantMap() ) override;
 
  protected:
 
    QString outputName() const override;
    QgsProcessing::SourceType outputLayerType() const override { return QgsProcessing::TypeVectorPoint; }
    QgsWkbTypes::Type outputWkbType( QgsWkbTypes::Type inputWkbType ) const override { Q_UNUSED( inputWkbType ) return QgsWkbTypes::Point; }
 
    bool prepareAlgorithm( const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
    QgsFeatureList processFeature( const QgsFeature &feature,  QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
 
  private:
 
    bool mAllParts = false;
    bool mDynamicAllParts = false;
    QgsProperty mAllPartsProperty;
};
 
 
#endif // QGSALGORITHMCENTROID_H