KDChartZoomParameters.h

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/****************************************************************************
** Copyright (C) 2001-2011 Klaralvdalens Datakonsult AB.  All rights reserved.
**
** This file is part of the KD Chart library.
**
** Licensees holding valid commercial KD Chart licenses may use this file in
** accordance with the KD Chart Commercial License Agreement provided with
** the Software.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 and version 3 as published by the
** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** Contact info@kdab.com if any conditions of this licensing are not
** clear to you.
**
**********************************************************************/

#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.
//

namespace KDChart {
    class ZoomParameters {
    public:
        ZoomParameters()
        : xFactor( 1.0 ),
          yFactor( 1.0 ),
          xCenter( 0.5 ),
          yCenter( 0.5)
        {
        }

        ZoomParameters( double xFactor, double 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 );
        }

        double xFactor;
        double yFactor;

        double xCenter;
        double yCenter;
    };
}

#endif