| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Charts module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt Chart API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| |
| #ifndef ABSTRACTDOMAIN_H |
| #define ABSTRACTDOMAIN_H |
| #include <QtCharts/QChartGlobal> |
| #include <QtCharts/private/qchartglobal_p.h> |
| #include <QtCore/QRectF> |
| #include <QtCore/QSizeF> |
| #include <QtCore/QDebug> |
| |
| QT_CHARTS_BEGIN_NAMESPACE |
| |
| class QAbstractAxis; |
| |
| class Q_CHARTS_PRIVATE_EXPORT AbstractDomain: public QObject |
| { |
| Q_OBJECT |
| public: |
| enum DomainType { UndefinedDomain, |
| XYDomain, |
| XLogYDomain, |
| LogXYDomain, |
| LogXLogYDomain, |
| XYPolarDomain, |
| XLogYPolarDomain, |
| LogXYPolarDomain, |
| LogXLogYPolarDomain }; |
| public: |
| explicit AbstractDomain(QObject *object = 0); |
| virtual ~AbstractDomain(); |
| |
| virtual void setSize(const QSizeF &size); |
| QSizeF size() const; |
| |
| virtual DomainType type() = 0; |
| |
| virtual void setRange(qreal minX, qreal maxX, qreal minY, qreal maxY) = 0; |
| void setRangeX(qreal min, qreal max); |
| void setRangeY(qreal min, qreal max); |
| void setMinX(qreal min); |
| void setMaxX(qreal max); |
| void setMinY(qreal min); |
| void setMaxY(qreal max); |
| |
| qreal minX() const { return m_minX; } |
| qreal maxX() const { return m_maxX; } |
| qreal minY() const { return m_minY; } |
| qreal maxY() const { return m_maxY; } |
| |
| qreal spanX() const; |
| qreal spanY() const; |
| bool isEmpty() const; |
| |
| void blockRangeSignals(bool block); |
| bool rangeSignalsBlocked() const { return m_signalsBlocked; } |
| |
| void zoomReset(); |
| void storeZoomReset(); |
| bool isZoomed() { return m_zoomed; } |
| |
| friend bool Q_AUTOTEST_EXPORT operator== (const AbstractDomain &domain1, const AbstractDomain &domain2); |
| friend bool Q_AUTOTEST_EXPORT operator!= (const AbstractDomain &domain1, const AbstractDomain &domain2); |
| friend QDebug Q_AUTOTEST_EXPORT operator<<(QDebug dbg, const AbstractDomain &domain); |
| |
| virtual void zoomIn(const QRectF &rect) = 0; |
| virtual void zoomOut(const QRectF &rect) = 0; |
| virtual void move(qreal dx, qreal dy) = 0; |
| |
| virtual QPointF calculateGeometryPoint(const QPointF &point, bool &ok) const = 0; |
| virtual QPointF calculateDomainPoint(const QPointF &point) const = 0; |
| virtual QVector<QPointF> calculateGeometryPoints(const QVector<QPointF> &vector) const = 0; |
| |
| virtual bool attachAxis(QAbstractAxis *axis); |
| virtual bool detachAxis(QAbstractAxis *axis); |
| |
| static void looseNiceNumbers(qreal &min, qreal &max, int &ticksCount); |
| static qreal niceNumber(qreal x, bool ceiling); |
| |
| void setReverseX(bool reverse) { m_reverseX = reverse; } |
| void setReverseY(bool reverse) { m_reverseY = reverse; } |
| |
| bool isReverseX() const { return m_reverseX; } |
| bool isReverseY() const { return m_reverseY; } |
| |
| Q_SIGNALS: |
| void updated(); |
| void rangeHorizontalChanged(qreal min, qreal max); |
| void rangeVerticalChanged(qreal min, qreal max); |
| |
| public Q_SLOTS: |
| void handleVerticalAxisRangeChanged(qreal min,qreal max); |
| void handleHorizontalAxisRangeChanged(qreal min,qreal max); |
| void handleReverseXChanged(bool reverse); |
| void handleReverseYChanged(bool reverse); |
| |
| protected: |
| void adjustLogDomainRanges(qreal &min, qreal &max); |
| QRectF fixZoomRect(const QRectF &rect); |
| |
| qreal m_minX; |
| qreal m_maxX; |
| qreal m_minY; |
| qreal m_maxY; |
| QSizeF m_size; |
| bool m_signalsBlocked; |
| bool m_zoomed; |
| qreal m_zoomResetMinX; |
| qreal m_zoomResetMaxX; |
| qreal m_zoomResetMinY; |
| qreal m_zoomResetMaxY; |
| bool m_reverseX; |
| bool m_reverseY; |
| }; |
| |
| QT_CHARTS_END_NAMESPACE |
| |
| #endif // ABSTRACTDOMAIN_H |