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3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
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6** This file is part of the Qt Charts module of the Qt Toolkit.
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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 LOGXLOGYDOMAIN_H
40#define LOGXLOGYDOMAIN_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 LogXLogYDomain: public AbstractDomain
49{
50 Q_OBJECT
51public:
52 explicit LogXLogYDomain(QObject *object = 0);
53 virtual ~LogXLogYDomain();
54
55 DomainType type(){ return AbstractDomain::LogXLogYDomain;}
56
57 void setRange(qreal minX, qreal maxX, qreal minY, qreal maxY);
58
59 friend bool Q_AUTOTEST_EXPORT operator== (const LogXLogYDomain &domain1, const LogXLogYDomain &domain2);
60 friend bool Q_AUTOTEST_EXPORT operator!= (const LogXLogYDomain &domain1, const LogXLogYDomain &domain2);
61 friend QDebug Q_AUTOTEST_EXPORT operator<<(QDebug dbg, const LogXLogYDomain &domain);
62
63 void zoomIn(const QRectF &rect);
64 void zoomOut(const QRectF &rect);
65 void move(qreal dx, qreal dy);
66
67 QPointF calculateGeometryPoint(const QPointF &point, bool &ok) const;
68 QPointF calculateDomainPoint(const QPointF &point) const;
69 QVector<QPointF> calculateGeometryPoints(const QVector<QPointF> &vector) const;
70
71 bool attachAxis(QAbstractAxis *axis);
72 bool detachAxis(QAbstractAxis *axis);
73
74public Q_SLOTS:
75 void handleVerticalAxisBaseChanged(qreal baseY);
76 void handleHorizontalAxisBaseChanged(qreal baseX);
77
78private:
79 qreal m_logLeftX;
80 qreal m_logRightX;
81 qreal m_logBaseX;
82 qreal m_logLeftY;
83 qreal m_logRightY;
84 qreal m_logBaseY;
85};
86
87QT_CHARTS_END_NAMESPACE
88
89#endif // LOGXLOGYDOMAIN_H
90

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