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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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19 | ** General Public License version 3 or (at your option) any later version |
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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 ABSTRACTDOMAIN_H |
40 | #define ABSTRACTDOMAIN_H |
41 | #include <QtCharts/QChartGlobal> |
42 | #include <QtCharts/private/qchartglobal_p.h> |
43 | #include <QtCore/QRectF> |
44 | #include <QtCore/QSizeF> |
45 | #include <QtCore/QDebug> |
46 | |
47 | QT_CHARTS_BEGIN_NAMESPACE |
48 | |
49 | class QAbstractAxis; |
50 | |
51 | class Q_CHARTS_PRIVATE_EXPORT AbstractDomain: public QObject |
52 | { |
53 | Q_OBJECT |
54 | public: |
55 | enum DomainType { UndefinedDomain, |
56 | XYDomain, |
57 | XLogYDomain, |
58 | LogXYDomain, |
59 | LogXLogYDomain, |
60 | XYPolarDomain, |
61 | XLogYPolarDomain, |
62 | LogXYPolarDomain, |
63 | LogXLogYPolarDomain }; |
64 | public: |
65 | explicit AbstractDomain(QObject *object = 0); |
66 | virtual ~AbstractDomain(); |
67 | |
68 | virtual void setSize(const QSizeF &size); |
69 | QSizeF size() const; |
70 | |
71 | virtual DomainType type() = 0; |
72 | |
73 | virtual void setRange(qreal minX, qreal maxX, qreal minY, qreal maxY) = 0; |
74 | void setRangeX(qreal min, qreal max); |
75 | void setRangeY(qreal min, qreal max); |
76 | void setMinX(qreal min); |
77 | void setMaxX(qreal max); |
78 | void setMinY(qreal min); |
79 | void setMaxY(qreal max); |
80 | |
81 | qreal minX() const { return m_minX; } |
82 | qreal maxX() const { return m_maxX; } |
83 | qreal minY() const { return m_minY; } |
84 | qreal maxY() const { return m_maxY; } |
85 | |
86 | qreal spanX() const; |
87 | qreal spanY() const; |
88 | bool isEmpty() const; |
89 | |
90 | void blockRangeSignals(bool block); |
91 | bool rangeSignalsBlocked() const { return m_signalsBlocked; } |
92 | |
93 | void zoomReset(); |
94 | void storeZoomReset(); |
95 | bool isZoomed() { return m_zoomed; } |
96 | |
97 | friend bool Q_AUTOTEST_EXPORT operator== (const AbstractDomain &domain1, const AbstractDomain &domain2); |
98 | friend bool Q_AUTOTEST_EXPORT operator!= (const AbstractDomain &domain1, const AbstractDomain &domain2); |
99 | friend QDebug Q_AUTOTEST_EXPORT operator<<(QDebug dbg, const AbstractDomain &domain); |
100 | |
101 | virtual void zoomIn(const QRectF &rect) = 0; |
102 | virtual void zoomOut(const QRectF &rect) = 0; |
103 | virtual void move(qreal dx, qreal dy) = 0; |
104 | |
105 | virtual QPointF calculateGeometryPoint(const QPointF &point, bool &ok) const = 0; |
106 | virtual QPointF calculateDomainPoint(const QPointF &point) const = 0; |
107 | virtual QVector<QPointF> calculateGeometryPoints(const QVector<QPointF> &vector) const = 0; |
108 | |
109 | virtual bool attachAxis(QAbstractAxis *axis); |
110 | virtual bool detachAxis(QAbstractAxis *axis); |
111 | |
112 | static void looseNiceNumbers(qreal &min, qreal &max, int &ticksCount); |
113 | static qreal niceNumber(qreal x, bool ceiling); |
114 | |
115 | void setReverseX(bool reverse) { m_reverseX = reverse; } |
116 | void setReverseY(bool reverse) { m_reverseY = reverse; } |
117 | |
118 | bool isReverseX() const { return m_reverseX; } |
119 | bool isReverseY() const { return m_reverseY; } |
120 | |
121 | Q_SIGNALS: |
122 | void updated(); |
123 | void rangeHorizontalChanged(qreal min, qreal max); |
124 | void rangeVerticalChanged(qreal min, qreal max); |
125 | |
126 | public Q_SLOTS: |
127 | void handleVerticalAxisRangeChanged(qreal min,qreal max); |
128 | void handleHorizontalAxisRangeChanged(qreal min,qreal max); |
129 | void handleReverseXChanged(bool reverse); |
130 | void handleReverseYChanged(bool reverse); |
131 | |
132 | protected: |
133 | void adjustLogDomainRanges(qreal &min, qreal &max); |
134 | QRectF fixZoomRect(const QRectF &rect); |
135 | |
136 | qreal m_minX; |
137 | qreal m_maxX; |
138 | qreal m_minY; |
139 | qreal m_maxY; |
140 | QSizeF m_size; |
141 | bool m_signalsBlocked; |
142 | bool m_zoomed; |
143 | qreal m_zoomResetMinX; |
144 | qreal m_zoomResetMaxX; |
145 | qreal m_zoomResetMinY; |
146 | qreal m_zoomResetMaxY; |
147 | bool m_reverseX; |
148 | bool m_reverseY; |
149 | }; |
150 | |
151 | QT_CHARTS_END_NAMESPACE |
152 | |
153 | #endif // ABSTRACTDOMAIN_H |
154 | |