File indexing completed on 2024-05-12 15:54:20

 /*
  * Copyright (C) 2001-2015 Klaralvdalens Datakonsult AB.  All rights reserved.
  *
  * This file is part of the KD Chart library.
  *
  * 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.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #ifndef REVERSEMAPPER_H
 #define REVERSEMAPPER_H
 
 #include <QModelIndex>
 #include <QHash>
 
 QT_BEGIN_NAMESPACE
 class QRectF;
 class QGraphicsScene;
 class QPolygonF;
 QT_END_NAMESPACE
 
 namespace KChart {
 
     class AbstractDiagram;
     class ChartGraphicsItem;
 
     /**
       * @brief The ReverseMapper stores information about objects on a chart and their respective model indexes
       * \internal
       */
     class ReverseMapper
     {
 
     public:
         ReverseMapper();
         explicit ReverseMapper( AbstractDiagram* diagram );
 
         ~ReverseMapper();
 
         void setDiagram( AbstractDiagram* diagram );
 
         void clear();
 
         QModelIndexList indexesAt( const QPointF& point ) const;
         QModelIndexList indexesIn( const QRect& rect ) const;
 
         QPolygonF polygon( int row, int column ) const;
         QRectF boundingRect( int row, int column ) const;
 
         void addItem( ChartGraphicsItem* item );
 
         // convenience methods:
         void addPolygon( int row, int column, const QPolygonF& polygon );
         void addRect( int row, int column, const QRectF& rect );
         void addCircle( int row, int column, const QPointF& location, const QSizeF& diameter );
         void addLine( int row, int column, const QPointF& from, const QPointF& to );
 
     private:
         QGraphicsScene* m_scene;
         AbstractDiagram* m_diagram;
         QHash<QModelIndex, ChartGraphicsItem*> m_itemMap;
     };
 
 }
 
 #endif