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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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// 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 QtCommercial 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 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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#include <QDebug>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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class QTCOMMERCIALCHART_AUTOTEST_EXPORT Domain: public QObject
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{
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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 setSize(const QSizeF& size);
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QSizeF size() const;
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void setRange(qreal minX, qreal maxX, qreal minY, qreal maxY);
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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 blockAxisSignals(bool block);
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bool axisSignalsBlocked() const { return m_axisSignalsBlocked; }
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friend bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator== (const Domain &domain1, const Domain &domain2);
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friend bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator!= (const Domain &domain1, const Domain &domain2);
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friend QDebug QTCOMMERCIALCHART_AUTOTEST_EXPORT operator<<(QDebug dbg, const Domain &domain);
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void zoomIn(const QRectF &rect);
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void zoomOut(const QRectF &rect);
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void move(qreal dx, qreal dy);
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QPointF calculateGeometryPoint(const QPointF &point) const;
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QPointF calculateDomainPoint(const QPointF &point) const;
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QVector<QPointF> calculateGeometryPoints(const QList<QPointF>& vector) const;
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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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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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QSizeF m_size;
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bool m_axisSignalsBlocked;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif
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