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/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.io
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**
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** This file is part of the Qt Charts module.
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**
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** Licensees holding valid commercial license for Qt may use this file in
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** accordance with the Qt License Agreement provided with the Software
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** or, alternatively, in accordance with the terms contained in a written
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** agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.io
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**
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****************************************************************************/
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt Enterprise Chart API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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#ifndef ABSTRACTDOMAIN_H
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#define ABSTRACTDOMAIN_H
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#include <QtCharts/QChartGlobal>
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#include <QtCore/QRectF>
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#include <QtCore/QSizeF>
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#include <QtCore/QDebug>
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QT_CHARTS_BEGIN_NAMESPACE
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class QAbstractAxis;
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class QT_CHARTS_AUTOTEST_EXPORT AbstractDomain: public QObject
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{
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Q_OBJECT
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public:
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enum DomainType { UndefinedDomain,
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XYDomain,
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XLogYDomain,
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LogXYDomain,
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LogXLogYDomain,
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XYPolarDomain,
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XLogYPolarDomain,
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LogXYPolarDomain,
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LogXLogYPolarDomain };
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public:
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explicit AbstractDomain(QObject *object = 0);
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virtual ~AbstractDomain();
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virtual void setSize(const QSizeF &size);
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QSizeF size() const;
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virtual DomainType type() = 0;
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virtual void setRange(qreal minX, qreal maxX, qreal minY, qreal maxY) = 0;
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void setRangeX(qreal min, qreal max);
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void setRangeY(qreal min, qreal max);
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void setMinX(qreal min);
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void setMaxX(qreal max);
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void setMinY(qreal min);
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void setMaxY(qreal max);
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qreal minX() const { return m_minX; }
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qreal maxX() const { return m_maxX; }
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qreal minY() const { return m_minY; }
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qreal maxY() const { return m_maxY; }
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qreal spanX() const;
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qreal spanY() const;
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bool isEmpty() const;
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void blockRangeSignals(bool block);
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bool rangeSignalsBlocked() const { return m_signalsBlocked; }
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void zoomReset();
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void storeZoomReset();
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bool isZoomed() { return m_zoomed; }
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friend bool QT_CHARTS_AUTOTEST_EXPORT operator== (const AbstractDomain &domain1, const AbstractDomain &domain2);
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friend bool QT_CHARTS_AUTOTEST_EXPORT operator!= (const AbstractDomain &domain1, const AbstractDomain &domain2);
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friend QDebug QT_CHARTS_AUTOTEST_EXPORT operator<<(QDebug dbg, const AbstractDomain &domain);
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virtual void zoomIn(const QRectF &rect) = 0;
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virtual void zoomOut(const QRectF &rect) = 0;
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virtual void move(qreal dx, qreal dy) = 0;
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virtual QPointF calculateGeometryPoint(const QPointF &point, bool &ok) const = 0;
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virtual QPointF calculateDomainPoint(const QPointF &point) const = 0;
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virtual QVector<QPointF> calculateGeometryPoints(const QList<QPointF> &vector) const = 0;
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virtual bool attachAxis(QAbstractAxis *axis);
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virtual bool detachAxis(QAbstractAxis *axis);
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static void looseNiceNumbers(qreal &min, qreal &max, int &ticksCount);
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static qreal niceNumber(qreal x, bool ceiling);
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Q_SIGNALS:
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void updated();
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void rangeHorizontalChanged(qreal min, qreal max);
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void rangeVerticalChanged(qreal min, qreal max);
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public Q_SLOTS:
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void handleVerticalAxisRangeChanged(qreal min,qreal max);
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void handleHorizontalAxisRangeChanged(qreal min,qreal max);
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protected:
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void adjustLogDomainRanges(qreal &min, qreal &max);
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qreal m_minX;
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qreal m_maxX;
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qreal m_minY;
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qreal m_maxY;
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QSizeF m_size;
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bool m_signalsBlocked;
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bool m_zoomed;
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qreal m_zoomResetMinX;
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qreal m_zoomResetMaxX;
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qreal m_zoomResetMinY;
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qreal m_zoomResetMaxY;
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};
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QT_CHARTS_END_NAMESPACE
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#endif // ABSTRACTDOMAIN_H
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