KChart

KChartAbstractPieDiagram.h
1 /*
2  * SPDX-FileCopyrightText: 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
3  *
4  * This file is part of the KD Chart library.
5  *
6  * SPDX-License-Identifier: GPL-2.0-or-later
7  */
8 
9 #ifndef KCHARTABSTRACTPIEDIAGRAM_H
10 #define KCHARTABSTRACTPIEDIAGRAM_H
11 
12 #include "KChartAbstractPolarDiagram.h"
13 
14 namespace KChart {
15  class PieAttributes;
16  class ThreeDPieAttributes;
17 
18 /**
19  * @brief Base class for any diagram type
20  */
21 class KCHART_EXPORT AbstractPieDiagram : public AbstractPolarDiagram
22 {
23  Q_OBJECT
24 
25  Q_DISABLE_COPY( AbstractPieDiagram )
26  KCHART_DECLARE_DERIVED_DIAGRAM( AbstractPieDiagram, PolarCoordinatePlane )
27 
28 public:
29  explicit AbstractPieDiagram(
30  QWidget* parent = nullptr, PolarCoordinatePlane* plane = nullptr );
31  virtual ~AbstractPieDiagram();
32 
33  /**
34  * Returns true if both diagrams have the same settings.
35  */
36  bool compare( const AbstractPieDiagram* other ) const;
37 
38  /** Set the granularity: the smaller the granularity the more your diagram
39  * segments will show facettes instead of rounded segments.
40  * \param value the granularity value between 0.05 (one twentieth of a degree)
41  * and 36.0 (one tenth of a full circle), other values will be interpreted as 1.0.
42  */
43  void setGranularity( qreal value );
44 
45  /** @return the granularity. */
46  qreal granularity() const;
47 
48  /** \deprecated Use PolarCoordinatePlane::setStartPosition( qreal degrees ) instead. */
49  void setStartPosition( int degrees );
50  /** \deprecated Use qreal PolarCoordinatePlane::startPosition instead. */
51  int startPosition() const;
52 
53  /** If this property is set, and if a pie's TextAttributes have no rotation set, its labels will
54  * automatically be rotated according to the pie's angle.
55  */
56  void setAutoRotateLabels( bool autoRotate );
57  /** \see setAutoRotateLabels( bool autoRotate )
58  */
59  bool autoRotateLabels() const;
60 
61  void setPieAttributes( const PieAttributes & a );
62  void setPieAttributes( int column,
63  const PieAttributes & a );
64  void setPieAttributes( const QModelIndex & index,
65  const PieAttributes & a );
66  PieAttributes pieAttributes() const;
67  PieAttributes pieAttributes( int column ) const;
68  PieAttributes pieAttributes( const QModelIndex & index ) const;
69 
70  void setThreeDPieAttributes( const ThreeDPieAttributes & a );
71  void setThreeDPieAttributes( int column,
72  const ThreeDPieAttributes & a );
73  void setThreeDPieAttributes( const QModelIndex & index,
74  const ThreeDPieAttributes & a );
75  ThreeDPieAttributes threeDPieAttributes() const;
76  ThreeDPieAttributes threeDPieAttributes( int column ) const;
77  ThreeDPieAttributes threeDPieAttributes( const QModelIndex & index ) const;
78 }; // End of class KChartAbstractPieDiagram
79 
80 }
81 
82 #endif // KCHARTABSTACTPIEDIAGRAM_H
Class only listed here to document inheritance of some KChart classes.
A set of attributes controlling the appearance of pie charts.
A set of 3D pie attributes.
Base class for any diagram type.
Base class for diagrams based on a polar coordinate system.
Global namespace.
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