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domain_p.h
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef DOMAIN_H
#define DOMAIN_H
#include "qchartglobal.h"
#include <QRectF>
#include <QSizeF>
#include <QDebug>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
class QTCOMMERCIALCHART_AUTOTEST_EXPORT Domain: public QObject {
Q_OBJECT
public:
explicit Domain(QObject* object=0);
virtual ~Domain();
void setRange(qreal minX, qreal maxX, qreal minY, qreal maxY);
void setRange(qreal minX, qreal maxX, qreal minY, qreal maxY, int tickXCount, int tickYCount);
void setRangeX(qreal min, qreal max);
void setRangeX(qreal min, qreal max, int tickCount);
void setRangeY(qreal min, qreal max);
void setRangeY(qreal min, qreal max, int tickCount);
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;
int tickXCount() const {return m_tickXCount;}
int tickYCount() const {return m_tickYCount;}
friend bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator== (const Domain &domain1, const Domain &domain2);
friend bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator!= (const Domain &domain1, const Domain &domain2);
friend QDebug QTCOMMERCIALCHART_AUTOTEST_EXPORT operator<<(QDebug dbg, const Domain &domain);
void zoomIn(const QRectF& rect, const QSizeF& size);
void zoomOut(const QRectF& rect, const QSizeF& size);
void move(qreal dx,qreal dy,const QSizeF& size);
Q_SIGNALS:
void domainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY);
void rangeXChanged(qreal min, qreal max, int tickXCount);
void rangeYChanged(qreal min, qreal max, int tickYCount);
public Q_SLOTS:
void handleAxisXChanged(qreal min,qreal max,int tickXCount = 5,bool niceNumbers = false);
void handleAxisYChanged(qreal min,qreal max,int tickYCount = 5,bool niceNumbers = false);
private:
void looseNiceNumbers(qreal &min, qreal &max, int &ticksCount) const;
qreal niceNumber(qreal x,bool celing) const;
private:
qreal m_minX;
qreal m_maxX;
qreal m_minY;
qreal m_maxY;
int m_tickXCount;
int m_tickYCount;
bool m_niceXNumbers;
bool m_niceYNumbers;
};
QTCOMMERCIALCHART_END_NAMESPACE
#endif