79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
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/****************************************************************************
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** Copyright (C) 2001-2011 Klaralvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KD Chart library.
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**
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** Licensees holding valid commercial KD Chart licenses may use this file in
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** accordance with the KD Chart Commercial License Agreement provided with
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** the Software.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 and version 3 as published by the
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** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** Contact info@kdab.com if any conditions of this licensing are not
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** clear to you.
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**
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**********************************************************************/
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#ifndef ZOOMPARAMETERS_H
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#define ZOOMPARAMETERS_H
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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 KD 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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//
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namespace KDChart {
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/**
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* ZoomParameters stores the center and the factor of zooming internally
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* \internal
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*/
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class ZoomParameters {
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public:
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ZoomParameters()
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: xFactor( 1.0 ),
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yFactor( 1.0 ),
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xCenter( 0.5 ),
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yCenter( 0.5)
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{
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}
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ZoomParameters( double xFactor, double yFactor, const QPointF& center )
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: xFactor( xFactor ),
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yFactor( yFactor ),
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xCenter( center.x() ),
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yCenter( center.y() )
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{
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}
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void setCenter( const QPointF& center )
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{
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xCenter = center.x();
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yCenter = center.y();
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}
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const QPointF center() const
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{
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return QPointF( xCenter, yCenter );
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}
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double xFactor;
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double yFactor;
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double xCenter;
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double yCenter;
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};
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}
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#endif
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