KDChartZoomParameters.h

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/****************************************************************************
**
** This file is part of the KD Chart library.
**
** SPDX-FileCopyrightText: 2001 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
**
** SPDX-License-Identifier: MIT
**
****************************************************************************/
 
#ifndef ZOOMPARAMETERS_H
#define ZOOMPARAMETERS_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the KD 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.
//
 
#include <QPointF>
 
namespace KDChart {
class ZoomParameters
{
public:
    ZoomParameters()
    {
    }
 
    ZoomParameters(qreal xFactor, qreal yFactor, const QPointF &center)
        : xFactor(xFactor)
        , yFactor(yFactor)
        , xCenter(center.x())
        , yCenter(center.y())
    {
    }
 
    void setCenter(const QPointF &center)
    {
        xCenter = center.x();
        yCenter = center.y();
    }
    const QPointF center() const
    {
        return QPointF(xCenter, yCenter);
    }
 
    qreal xFactor = 1.0;
    qreal yFactor = 1.0;
 
    qreal xCenter = 0.5;
    qreal yCenter = 0.5;
};
}
 
#endif