qgsrendereditemresults.h

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/***************************************************************************
  qgsrendereditemresults.h
  -------------------
   begin                : August 2021
   copyright            : (C) 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 QGSRENDEREDITEMRESULTS_H
#define QGSRENDEREDITEMRESULTS_H
 
#include <memory>
#include <unordered_map>
#include <vector>
 
#include "qgis_core.h"
#include "qgis_sip.h"
#include "qgsrectangle.h"
 
#include <QList>
 
class QgsRenderedItemDetails;
class QgsRenderContext;
class QgsRenderedAnnotationItemDetails;

class QgsRenderedItemResultsSpatialIndex;

class CORE_EXPORT QgsRenderedItemResults
{
  public:

    QgsRenderedItemResults( const QgsRectangle &extent = QgsRectangle() );
    ~QgsRenderedItemResults();
 
    QgsRenderedItemResults( const QgsRenderedItemResults & ) = delete;
    QgsRenderedItemResults &operator=( const QgsRenderedItemResults &rh ) = delete;

    QList< QgsRenderedItemDetails * > renderedItems() const;

    QList<const QgsRenderedAnnotationItemDetails *> renderedAnnotationItemsInBounds( const QgsRectangle &bounds ) const;

    void appendResults( const QList< QgsRenderedItemDetails * > &results SIP_TRANSFER, const QgsRenderContext &context );

    void transferResults( QgsRenderedItemResults *other, const QStringList &layerIds );

    void transferResults( QgsRenderedItemResults *other );

    void eraseResultsFromLayers( const QStringList &layerIds );
 
  private:
#ifdef SIP_RUN
    QgsRenderedItemResults( const QgsRenderedItemResults & );
#endif
 
    QgsRectangle mExtent;
 
    std::unordered_map< QString, std::vector< std::unique_ptr< QgsRenderedItemDetails > > > mDetails;
    std::unique_ptr< QgsRenderedItemResultsSpatialIndex > mAnnotationItemsIndex;
 
};
 
#endif // QGSRENDEREDITEMRESULTS_H