zoom.h

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// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 
#ifndef _ZOOM_H
#define _ZOOM_H

class YZoom {
public:
    YZoom()
    : startPosY(500),  yZoom(0.1), isLogScaleY(false)
    {}


    YZoom(long spy1, double yz1, bool lsy=false)
    : startPosY(spy1), yZoom(yz1), isLogScaleY(lsy)
    {}
    long startPosY; 
    double yZoom; 
    bool isLogScaleY; 
    
    YZoom operator*( double factor );
};

class XZoom {
public:
    XZoom()
    : startPosX(0), xZoom(0.1), isLogScaleX(false)
    {}


    XZoom( long spx, double xz, bool lsx=false )
    : startPosX(spx), xZoom(xz), isLogScaleX(lsx)
    {}
    long startPosX; 
    double xZoom; 
    bool isLogScaleX; 
   
    XZoom operator*( double factor );
};
 
#endif