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/****************************************************************************
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**
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** Copyright (C) 2012 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.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written 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.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef DOMAIN_H_
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#define DOMAIN_H_
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#include "qchartglobal.h"
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#include <QRectF>
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#include <QSizeF>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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class Domain: public QObject {
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Q_OBJECT
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public:
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explicit Domain(QObject* object=0);
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virtual ~Domain();
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void setRange(qreal minX, qreal maxX, qreal minY, qreal maxY);
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void setRange(qreal minX, qreal maxX, qreal minY, qreal maxY, int tickXCount, int tickYCount);
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void setRangeX(qreal min, qreal max);
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void setRangeX(qreal min, qreal max, int tickCount);
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void setRangeY(qreal min, qreal max);
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void setRangeY(qreal min, qreal max, int tickCount);
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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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int tickXCount() const {return m_tickXCount;}
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int tickYCount() const {return m_tickYCount;}
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friend bool operator== (const Domain &domain1, const Domain &domain2);
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friend bool operator!= (const Domain &domain1, const Domain &domain2);
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friend QDebug operator<<(QDebug dbg, const Domain &domain);
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void zoomIn(const QRectF& rect, const QSizeF& size);
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void zoomOut(const QRectF& rect, const QSizeF& size);
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void move(int dx,int dy,const QSizeF& size);
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Q_SIGNALS:
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void domainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY);
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void rangeXChanged(qreal min, qreal max, int tickXCount);
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void rangeYChanged(qreal min, qreal max, int tickYCount);
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public Q_SLOTS:
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void handleAxisXChanged(qreal min,qreal max,int tickXCount = 5,bool niceNumbers = false);
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void handleAxisYChanged(qreal min,qreal max,int tickYCount = 5,bool niceNumbers = false);
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private:
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void looseNiceNumbers(qreal &min, qreal &max, int &ticksCount);
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qreal niceNumber(qreal x,bool celing);
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private:
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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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int m_tickXCount;
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int m_tickYCount;
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bool m_niceNumbers;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif
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