00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: vtkQtChartShapeLocator.h 00005 00006 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen 00007 All rights reserved. 00008 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00009 00010 This software is distributed WITHOUT ANY WARRANTY; without even 00011 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00012 PURPOSE. See the above copyright notice for more information. 00013 00014 =========================================================================*/ 00015 /*------------------------------------------------------------------------- 00016 Copyright 2008 Sandia Corporation. 00017 Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, 00018 the U.S. Government retains certain rights in this software. 00019 -------------------------------------------------------------------------*/ 00020 00023 00024 #ifndef _vtkQtChartShapeLocator_h 00025 #define _vtkQtChartShapeLocator_h 00026 00027 #include "vtkQtChartExport.h" 00028 #include <QLinkedList> // Needed for parameter. 00029 #include <QList> // Needed for parameter. 00030 00031 class vtkQtChartShape; 00032 class QPointF; 00033 class QRectF; 00034 00035 00040 class VTKQTCHART_EXPORT vtkQtChartShapeLocatorNode 00041 { 00042 public: 00046 vtkQtChartShapeLocatorNode(vtkQtChartShape *element=0); 00047 ~vtkQtChartShapeLocatorNode(); 00048 00054 bool contains(const QPointF &point) const; 00055 00061 bool intersects(const QRectF &area) const; 00062 00067 const QRectF &getBounds() const {return *this->Bounds;} 00068 00072 void setBounds(const QRectF &bounds); 00073 00078 vtkQtChartShape *getElement() const {return this->Element;} 00079 00083 void setElement(vtkQtChartShape *element); 00084 00089 vtkQtChartShapeLocatorNode *getParent() const {return this->Parent;} 00090 00094 void setParent(vtkQtChartShapeLocatorNode *parent) {this->Parent = parent;} 00095 00100 bool hasChildren() const {return this->Nodes.size() > 0;} 00101 00106 const QList<vtkQtChartShapeLocatorNode *> &getNodes() const {return this->Nodes;} 00107 00112 QList<vtkQtChartShapeLocatorNode *> &getNodes() {return this->Nodes;} 00113 00119 void updateBounds(); 00120 00121 private: 00122 QRectF *Bounds; 00123 vtkQtChartShape *Element; 00124 vtkQtChartShapeLocatorNode *Parent; 00125 QList<vtkQtChartShapeLocatorNode *> Nodes; 00126 00127 private: 00128 vtkQtChartShapeLocatorNode(const vtkQtChartShapeLocatorNode &); 00129 vtkQtChartShapeLocatorNode &operator=(const vtkQtChartShapeLocatorNode &); 00130 }; 00131 00132 00142 class VTKQTCHART_EXPORT vtkQtChartShapeLocator 00143 { 00144 public: 00145 vtkQtChartShapeLocator(); 00146 ~vtkQtChartShapeLocator(); 00147 00149 void clear(); 00150 00158 void build(const QList<QList<vtkQtChartShape *> > &table); 00159 00170 void build(const QList<vtkQtChartShape *> &list); 00171 00178 void update(); 00179 00185 QList<vtkQtChartShape *> getItemsAt(const QPointF &point) const; 00186 00192 QList<vtkQtChartShape *> getItemsIn(const QRectF &area) const; 00193 00198 vtkQtChartShapeLocatorNode *getLast(); 00199 00205 vtkQtChartShapeLocatorNode *getPrevious(vtkQtChartShapeLocatorNode *node); 00206 00207 public: 00215 static void sort(QList<vtkQtChartShape *> &list); 00216 00217 private: 00221 void build(QLinkedList<QLinkedList<vtkQtChartShapeLocatorNode *> > &table); 00222 00223 private: 00224 vtkQtChartShapeLocatorNode *Root; 00225 00226 private: 00227 vtkQtChartShapeLocator(const vtkQtChartShapeLocator &); 00228 vtkQtChartShapeLocator &operator=(const vtkQtChartShapeLocator &); 00229 }; 00230 00231 #endif
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