qgsspatialindexkdbush.cpp

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/***************************************************************************
                             qgsspatialindexkdbush.cpp
                             -------------------
    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.                                   *
 *                                                                         *
 ***************************************************************************/
 
#include "qgsspatialindexkdbush.h"
 
#include "qgsfeatureiterator.h"
#include "qgsfeaturesource.h"
#include "qgsfeedback.h"
#include "qgsspatialindexkdbush_p.h"
 
QgsSpatialIndexKDBush::QgsSpatialIndexKDBush( QgsFeatureIterator &fi, QgsFeedback *feedback )
  : d( new QgsSpatialIndexKDBushPrivate( fi, feedback ) )
{}
 
QgsSpatialIndexKDBush::QgsSpatialIndexKDBush( const QgsFeatureSource &source, QgsFeedback *feedback )
  : d( new QgsSpatialIndexKDBushPrivate( source, feedback ) )
{}

QgsSpatialIndexKDBush::QgsSpatialIndexKDBush( QgsFeatureIterator &fi, const std::function<bool( const QgsFeature & )> &callback, QgsFeedback *feedback )
  : d( new QgsSpatialIndexKDBushPrivate( fi, callback, feedback ) )
{}

 
QgsSpatialIndexKDBush::QgsSpatialIndexKDBush()
  : d( new QgsSpatialIndexKDBushPrivate() )
{}
 
QgsSpatialIndexKDBush::QgsSpatialIndexKDBush( const QgsSpatialIndexKDBush &other )
  : d( other.d )
{
  d->ref.ref();
}
 
QgsSpatialIndexKDBush &QgsSpatialIndexKDBush::operator=( const QgsSpatialIndexKDBush &other )
{
  if ( this != &other )
  {
    if ( !d->ref.deref() )
    {
      delete d;
    }
 
    d = other.d;
    d->ref.ref();
  }
  return *this;
}
 
QgsSpatialIndexKDBush::~QgsSpatialIndexKDBush()
{
  if ( !d->ref.deref() )
    delete d;
}
 
bool QgsSpatialIndexKDBush::addFeature( QgsFeatureId id, const QgsPointXY &point )
{
  return d->index->addFeature( id, point );
}
 
void QgsSpatialIndexKDBush::finalize()
{
  d->index->finalize();
}
 
QList<QgsSpatialIndexKDBushData> QgsSpatialIndexKDBush::within( const QgsPointXY &point, double radius ) const
{
  if ( !d->index->finalized )
    return {};
 
  QList<QgsSpatialIndexKDBushData> result;
  d->index->within( point.x(), point.y(), radius, [&result]( const QgsSpatialIndexKDBushData &p ) { result << p; } );
  return result;
}
 
void QgsSpatialIndexKDBush::within( const QgsPointXY &point, double radius, const std::function<void( QgsSpatialIndexKDBushData )> &visitor )
{
  if ( !d->index->finalized )
    return;
 
  d->index->within( point.x(), point.y(), radius, visitor );
}
 
qgssize QgsSpatialIndexKDBush::size() const
{
  return d->index->size();
}
 
QList<QgsSpatialIndexKDBushData> QgsSpatialIndexKDBush::intersects( const QgsRectangle &rectangle ) const
{
  if ( !d->index->finalized )
    return {};
 
  QList<QgsSpatialIndexKDBushData> result;
  d->index->range( rectangle.xMinimum(), rectangle.yMinimum(), rectangle.xMaximum(), rectangle.yMaximum(), [&result]( const QgsSpatialIndexKDBushData &p ) { result << p; } );
  return result;
}
 
void QgsSpatialIndexKDBush::intersects( const QgsRectangle &rectangle, const std::function<void( QgsSpatialIndexKDBushData )> &visitor ) const
{
  if ( !d->index->finalized )
    return;
 
  d->index->range( rectangle.xMinimum(), rectangle.yMinimum(), rectangle.xMaximum(), rectangle.yMaximum(), visitor );
}