KD Chart 2  [rev.2.5.1]
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KDChartPolarDiagram.h
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2 ** Copyright (C) 2001-2013 Klaralvdalens Datakonsult AB. All rights reserved.
3 **
4 ** This file is part of the KD Chart library.
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6 ** Licensees holding valid commercial KD Chart licenses may use this file in
7 ** accordance with the KD Chart Commercial License Agreement provided with
8 ** the Software.
9 **
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11 ** This file may be distributed and/or modified under the terms of the
12 ** GNU General Public License version 2 and version 3 as published by the
13 ** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
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16 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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22 
23 #ifndef KDCHARTPOLARDIAGRAM_H
24 #define KDCHARTPOLARDIAGRAM_H
25 
26 
27 #include "KDChartPosition.h"
29 
30 QT_BEGIN_NAMESPACE
31 class QPolygonF;
32 QT_END_NAMESPACE
33 
34 namespace KDChart {
35 
39 class KDCHART_EXPORT PolarDiagram : public AbstractPolarDiagram
40 {
41  Q_OBJECT
42 
43  Q_DISABLE_COPY( PolarDiagram )
45 
46 public:
47  explicit PolarDiagram(
48  QWidget* parent = 0, PolarCoordinatePlane* plane = 0 );
49  virtual ~PolarDiagram();
50 
51 protected:
52  // Implement AbstractDiagram
54  virtual void paint ( PaintContext* paintContext );
55 
56 public:
58  virtual void resize ( const QSizeF& area );
59 
60  // Implement AbstractPolarDiagram
62  virtual qreal valueTotals () const;
64  virtual qreal numberOfValuesPerDataset() const;
66  virtual qreal numberOfGridRings() const;
67 
68  virtual PolarDiagram * clone() const;
69 
71  void setZeroDegreePosition( int degrees );
73  int zeroDegreePosition() const;
74 
75  void setRotateCircularLabels( bool rotateCircularLabels );
76  bool rotateCircularLabels() const;
77 
81  void setCloseDatasets( bool closeDatasets );
82  bool closeDatasets() const;
83 
84  void setShowDelimitersAtPosition( Position position,
85  bool showDelimiters );
86  void setShowLabelsAtPosition( Position position,
87  bool showLabels );
88 
89  bool showDelimitersAtPosition( Position position ) const;
90 
91  bool showLabelsAtPosition( Position position ) const;
92 
93  virtual void paint ( PaintContext* paintContext,
94  bool calculateListAndReturnScale,
95  qreal& newZoomX, qreal& newZoomY ); // KDChart 3: references -> pointers
96 
97 protected:
99  virtual const QPair<QPointF, QPointF> calculateDataBoundaries() const;
100  void paintEvent ( QPaintEvent* );
101  void resizeEvent ( QResizeEvent* );
102  virtual void paintPolarMarkers( PaintContext* ctx, const QPolygonF& polygon );
103 
104 }; // End of class PolarDiagram
105 
106 }
107 
108 
109 #endif // KDCHARTPOLARDIAGRAM_H

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