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
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU
19** General Public License version 3 or (at your option) any later version
20** approved by the KDE Free Qt Foundation. The licenses are as published by
21** the Free Software Foundation and appearing in the file LICENSE.GPL3
22** included in the packaging of this file. Please review the following
23** information to ensure the GNU General Public License requirements will
24** be met: https://www.gnu.org/licenses/gpl-3.0.html.
25**
26** $QT_END_LICENSE$
27**
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 LOGXLOGYPOLARDOMAIN_H
40#define LOGXLOGYPOLARDOMAIN_H
41#include <private/polardomain_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 LogXLogYPolarDomain: public PolarDomain
49{
50 Q_OBJECT
51public:
52 explicit LogXLogYPolarDomain(QObject *object = 0);
53 virtual ~LogXLogYPolarDomain();
54
55 DomainType type() { return AbstractDomain::LogXLogYPolarDomain; }
56
57 void setRange(qreal minX, qreal maxX, qreal minY, qreal maxY);
58
59 friend bool Q_AUTOTEST_EXPORT operator== (const LogXLogYPolarDomain &domain1, const LogXLogYPolarDomain &domain2);
60 friend bool Q_AUTOTEST_EXPORT operator!= (const LogXLogYPolarDomain &domain1, const LogXLogYPolarDomain &domain2);
61 friend QDebug Q_AUTOTEST_EXPORT operator<<(QDebug dbg, const LogXLogYPolarDomain &domain);
62
63 void zoomIn(const QRectF &rect);
64 void zoomOut(const QRectF &rect);
65 void move(qreal dx, qreal dy);
66
67 QPointF calculateDomainPoint(const QPointF &point) const;
68
69 bool attachAxis(QAbstractAxis *axis);
70 bool detachAxis(QAbstractAxis *axis);
71
72public Q_SLOTS:
73 void handleVerticalAxisBaseChanged(qreal baseY);
74 void handleHorizontalAxisBaseChanged(qreal baseX);
75
76protected:
77 qreal toAngularCoordinate(qreal value, bool &ok) const;
78 qreal toRadialCoordinate(qreal value, bool &ok) const;
79
80private:
81 qreal m_logLeftX;
82 qreal m_logRightX;
83 qreal m_logBaseX;
84 qreal m_logInnerY;
85 qreal m_logOuterY;
86 qreal m_logBaseY;
87};
88
89QT_CHARTS_END_NAMESPACE
90
91#endif // LOGXLOGYPOLARDOMAIN_H
92

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