Quantum GIS API Documentation  1.7.4
src/core/qgslabelsearchtree.h
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00001 /***************************************************************************
00002                           qgslabelsearchtree.h
00003             Node for raster calculator tree
00004                           --------------------
00005     begin                : 2010-11-02
00006     copyright            : (C) 2010 by Marco Hugentobler
00007     email                : marco dot hugentobler at sourcepole dot ch
00008 ***************************************************************************/
00009 
00010 /***************************************************************************
00011  *                                                                         *
00012  *   This program is free software; you can redistribute it and/or modify  *
00013  *   it under the terms of the GNU General Public License as published by  *
00014  *   the Free Software Foundation; either version 2 of the License, or     *
00015  *   (at your option) any later version.                                   *
00016  *                                                                         *
00017  ***************************************************************************/
00018 
00019 #ifndef QGSLABELSEARCHTREE_H
00020 #define QGSLABELSEARCHTREE_H
00021 
00022 #include "qgspoint.h"
00023 #include "qgsmaprenderer.h"
00024 #include <QList>
00025 #include <QVector>
00026 #include <pointset.h>
00027 #include <labelposition.h>
00028 #include "qgsrectangle.h"
00029 
00030 using namespace pal;
00031 
00033 class CORE_EXPORT QgsLabelSearchTree
00034 {
00035   public:
00036     QgsLabelSearchTree();
00037     ~QgsLabelSearchTree();
00038 
00040     void clear();
00041 
00043     void label( const QgsPoint& p, QList<QgsLabelPosition*>& posList );
00044 
00047     bool insertLabel( LabelPosition* labelPos, int featureId, const QString& layerName, bool diagram = false );
00048 
00049   private:
00050     RTree<QgsLabelPosition*, double, 2, double> mSpatialIndex;
00051 };
00052 
00053 #endif // QGSLABELTREE_H
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