| 1 | // Copyright (C) 2023 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
| 3 | |
| 4 | |
| 5 | // |
| 6 | // W A R N I N G |
| 7 | // ------------- |
| 8 | // |
| 9 | // This file is not part of the QtGraphs API. It exists purely as an |
| 10 | // implementation detail. This header file may change from version to |
| 11 | // version without notice, or even be removed. |
| 12 | // |
| 13 | // We mean it. |
| 14 | |
| 15 | #ifndef AXISHELPER_P_H |
| 16 | #define AXISHELPER_P_H |
| 17 | |
| 18 | #include "graphsglobal_p.h" |
| 19 | #include <qvalue3daxisformatter_p.h> |
| 20 | #include <QList> |
| 21 | |
| 22 | QT_BEGIN_NAMESPACE |
| 23 | class AxisHelper : public QObject |
| 24 | { |
| 25 | Q_OBJECT |
| 26 | public: |
| 27 | AxisHelper(); |
| 28 | virtual ~AxisHelper(); |
| 29 | void updatePositions(); |
| 30 | |
| 31 | inline float scale() { return m_scale; } |
| 32 | inline void setScale(float scale) { m_scale = scale; } |
| 33 | |
| 34 | inline float translate() { return m_translate; } |
| 35 | inline void setTranslate(float translate) { m_translate = translate; } |
| 36 | |
| 37 | inline QValue3DAxisFormatter *formatter() { return m_formatter; } |
| 38 | inline void setFormatter(QValue3DAxisFormatter *formatter) { m_formatter = formatter; } |
| 39 | |
| 40 | inline float itemPositionAt(float value) |
| 41 | { |
| 42 | return m_formatter->positionAt(value) * m_scale + m_translate; |
| 43 | } |
| 44 | |
| 45 | inline float labelPositionAt(int index) |
| 46 | { |
| 47 | return m_formatter->labelPositions().at(i: index) * m_scale + m_translate; |
| 48 | } |
| 49 | inline float gridPositionAt(int gridLine) |
| 50 | { |
| 51 | return m_formatter->gridPositions().at(i: gridLine) * m_scale + m_translate; |
| 52 | } |
| 53 | |
| 54 | inline float subGridPositionAt(int gridLine) |
| 55 | { |
| 56 | return m_formatter->subGridPositions().at(i: gridLine) * m_scale + m_translate; |
| 57 | } |
| 58 | |
| 59 | inline void setMin(float min) { m_min = min; } |
| 60 | inline float min() const { return m_min; } |
| 61 | inline void setMax(float max) { m_max = max; } |
| 62 | inline float max() const { return m_max; } |
| 63 | |
| 64 | inline void setReversed(bool enable) { m_reversed = enable; } |
| 65 | inline bool isReversed() const { return m_reversed; } |
| 66 | |
| 67 | private: |
| 68 | QList<float> m_adjustedGridPositions; |
| 69 | QList<float> m_adjustedSubGridPositions; |
| 70 | |
| 71 | float m_scale; |
| 72 | float m_translate; |
| 73 | QValue3DAxisFormatter *m_formatter; |
| 74 | |
| 75 | float m_min; |
| 76 | float m_max; |
| 77 | |
| 78 | bool m_reversed = false; |
| 79 | }; |
| 80 | |
| 81 | QT_END_NAMESPACE |
| 82 | |
| 83 | #endif // AXISHELPER_P_H |
| 84 |