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/****************************************************************************
**
** 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
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