KDChartZoomParameters.h

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00001 /****************************************************************************
00002 ** Copyright (C) 2001-2011 Klaralvdalens Datakonsult AB.  All rights reserved.
00003 **
00004 ** This file is part of the KD Chart library.
00005 **
00006 ** Licensees holding valid commercial KD Chart licenses may use this file in
00007 ** accordance with the KD Chart Commercial License Agreement provided with
00008 ** the Software.
00009 **
00010 **
00011 ** This file may be distributed and/or modified under the terms of the
00012 ** GNU General Public License version 2 and version 3 as published by the
00013 ** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
00014 **
00015 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00016 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00017 **
00018 ** Contact info@kdab.com if any conditions of this licensing are not
00019 ** clear to you.
00020 **
00021 **********************************************************************/
00022 
00023 #ifndef ZOOMPARAMETERS_H
00024 #define ZOOMPARAMETERS_H
00025 
00026 //
00027 //  W A R N I N G
00028 //  -------------
00029 //
00030 // This file is not part of the KD Chart API.  It exists purely as an
00031 // implementation detail.  This header file may change from version to
00032 // version without notice, or even be removed.
00033 //
00034 // We mean it.
00035 //
00036 
00037 namespace KDChart {
00042     class ZoomParameters {
00043     public:
00044         ZoomParameters()
00045         : xFactor( 1.0 ),
00046           yFactor( 1.0 ),
00047           xCenter( 0.5 ),
00048           yCenter( 0.5)
00049         {
00050         }
00051 
00052         ZoomParameters( double xFactor, double yFactor, const QPointF& center )
00053         : xFactor( xFactor ),
00054           yFactor( yFactor ),
00055           xCenter( center.x() ),
00056           yCenter( center.y() )
00057         {
00058         }
00059 
00060         void setCenter( const QPointF& center )
00061         {
00062             xCenter = center.x();
00063             yCenter = center.y();
00064         }
00065         const QPointF center() const
00066         {
00067             return QPointF( xCenter, yCenter );
00068         }
00069 
00070         double xFactor;
00071         double yFactor;
00072 
00073         double xCenter;
00074         double yCenter;
00075     };
00076 }
00077 
00078 #endif
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