1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Qt Charts module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:GPL$
9** Commercial License Usage
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21** the Free Software Foundation and appearing in the file LICENSE.GPL3
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28****************************************************************************/
29
30// W A R N I N G
31// -------------
32//
33// This file is not part of the Qt Chart API. It exists purely as an
34// implementation detail. This header file may change from version to
35// version without notice, or even be removed.
36//
37// We mean it.
38
39#ifndef POLARDOMAIN_H
40#define POLARDOMAIN_H
41#include <private/abstractdomain_p.h>
42#include <QtCharts/private/qchartglobal_p.h>
43#include <QtCore/QRectF>
44#include <QtCore/QSizeF>
45
46QT_CHARTS_BEGIN_NAMESPACE
47
48class Q_CHARTS_PRIVATE_EXPORT PolarDomain: public AbstractDomain
49{
50 Q_OBJECT
51public:
52 explicit PolarDomain(QObject *object = 0);
53 virtual ~PolarDomain();
54
55 void setSize(const QSizeF &size);
56
57 QPointF calculateGeometryPoint(const QPointF &point, bool &ok) const;
58 QVector<QPointF> calculateGeometryPoints(const QVector<QPointF> &vector) const;
59
60 virtual qreal toAngularCoordinate(qreal value, bool &ok) const = 0;
61 virtual qreal toRadialCoordinate(qreal value, bool &ok) const = 0;
62
63protected:
64 QPointF polarCoordinateToPoint(qreal angularCoordinate, qreal radialCoordinate) const;
65
66 QPointF m_center;
67 qreal m_radius;
68};
69
70QT_CHARTS_END_NAMESPACE
71
72#endif // POLARDOMAIN_H
73

source code of qtcharts/src/charts/domain/polardomain_p.h