79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
/****************************************************************************
|
|
** 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 {
|
|
/**
|
|
* ZoomParameters stores the center and the factor of zooming internally
|
|
* \internal
|
|
*/
|
|
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
|