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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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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 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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