KD Chart 2 [rev.2.4]
|
00001 /**************************************************************************** 00002 ** Copyright (C) 2001-2012 Klaralvdalens Datakonsult AB. All rights reserved. 00003 ** 00004 ** This file is part of the KD Chart library. 00005 ** 00006 ** Licensees holding valid commercial KD Chart licenses may use this file in 00007 ** accordance with the KD Chart Commercial License Agreement provided with 00008 ** the Software. 00009 ** 00010 ** 00011 ** This file may be distributed and/or modified under the terms of the 00012 ** GNU General Public License version 2 and version 3 as published by the 00013 ** Free Software Foundation and appearing in the file LICENSE.GPL.txt included. 00014 ** 00015 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE 00016 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 00017 ** 00018 ** Contact info@kdab.com if any conditions of this licensing are not 00019 ** clear to you. 00020 ** 00021 **********************************************************************/ 00022 00023 #ifndef REVERSEMAPPER_H 00024 #define REVERSEMAPPER_H 00025 00026 #include <QModelIndex> 00027 #include <QHash> 00028 00029 class QRectF; 00030 class QGraphicsScene; 00031 class QPolygonF; 00032 00033 namespace KDChart { 00034 00035 class AbstractDiagram; 00036 class ChartGraphicsItem; 00037 00042 class ReverseMapper 00043 { 00044 00045 public: 00046 ReverseMapper(); 00047 explicit ReverseMapper( AbstractDiagram* diagram ); 00048 00049 ~ReverseMapper(); 00050 00051 void setDiagram( AbstractDiagram* diagram ); 00052 00053 void clear(); 00054 00055 QModelIndexList indexesAt( const QPointF& point ) const; 00056 QModelIndexList indexesIn( const QRect& rect ) const; 00057 00058 QPolygonF polygon( int row, int column ) const; 00059 QRectF boundingRect( int row, int column ) const; 00060 00061 void addItem( ChartGraphicsItem* item ); 00062 00063 // convenience methods: 00064 void addPolygon( int row, int column, const QPolygonF& polygon ); 00065 void addRect( int row, int column, const QRectF& rect ); 00066 void addCircle( int row, int column, const QPointF& location, const QSizeF& diameter ); 00067 void addLine( int row, int column, const QPointF& from, const QPointF& to ); 00068 00069 private: 00070 QGraphicsScene* m_scene; 00071 AbstractDiagram* m_diagram; 00072 QHash<QModelIndex, ChartGraphicsItem*> m_itemMap; 00073 }; 00074 00075 } 00076 00077 #endif