qgsspatialindexkdbush.h

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/***************************************************************************
                             qgsspatialindexkdbush.h
                             -----------------
    begin                : July 2018
    copyright            : (C) 2018 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 QGSSPATIALINDEXKDBUSH_H
#define QGSSPATIALINDEXKDBUSH_H
 
class QgsFeatureIterator;
class QgsFeedback;
class QgsFeatureSource;
class QgsSpatialIndexKDBushPrivate;
class QgsRectangle;
class QgsFeature;
 
#include <functional>
#include <memory>
 
#include "qgis_core.h"
#include "qgspointxy.h"
#include "qgsspatialindexkdbushdata.h"
 
#include <QList>

class CORE_EXPORT QgsSpatialIndexKDBush
{
  public:
    explicit QgsSpatialIndexKDBush( QgsFeatureIterator &fi, QgsFeedback *feedback = nullptr );

    explicit QgsSpatialIndexKDBush( const QgsFeatureSource &source, QgsFeedback *feedback = nullptr );
 
#ifndef SIP_RUN

    explicit QgsSpatialIndexKDBush( QgsFeatureIterator &fi, const std::function< bool( const QgsFeature & ) > &callback, QgsFeedback *feedback = nullptr );
#endif

    QgsSpatialIndexKDBush();
 
    QgsSpatialIndexKDBush( const QgsSpatialIndexKDBush &other );
    QgsSpatialIndexKDBush &operator=( const QgsSpatialIndexKDBush &other );
 
    ~QgsSpatialIndexKDBush();

    bool addFeature( QgsFeatureId id, const QgsPointXY &point );

    void finalize();

    QList<QgsSpatialIndexKDBushData> intersects( const QgsRectangle &rectangle ) const;

    void intersects( const QgsRectangle &rectangle, const std::function<void( const QgsSpatialIndexKDBushData & )> &visitor ) const SIP_SKIP;

    QList<QgsSpatialIndexKDBushData> within( const QgsPointXY &point, double radius ) const;

    void within( const QgsPointXY &point, double radius, const std::function<void( const QgsSpatialIndexKDBushData & )> &visitor ) const SIP_SKIP;

    qgssize size() const;
 
  private:
    QgsSpatialIndexKDBushPrivate *d = nullptr;
 
    friend class TestQgsSpatialIndexKdBush;
};
 
#endif // QGSSPATIALINDEXKDBUSH_H