SliceZoomer.h

Go to the documentation of this file.

//# Copyright (C) 1994,1995,1996,1997,1998,1999,2000
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library 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 Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//#        Internet email: aips2-request@nrao.edu.
//#        Postal address: AIPS++ Project Office
//#                        National Radio Astronomy Observatory
//#                        520 Edgemont Road
//#                        Charlottesville, VA 22903-2475 USA
//#

#ifndef SLICEZOOMER_H_
#define SLICEZOOMER_H_

#include <qwt_plot_zoomer.h>

class QwtPlotCanvas;
class QKeyEvent;

namespace casa {

        class SliceZoomer : public QwtPlotZoomer {

        public:
                SliceZoomer( QwtPlotCanvas* plot);
                virtual ~SliceZoomer();
                void zoomIn();
                void zoomOut();
                void zoomNeutral();
                virtual void zoom( const QRectF & );


        protected:
                virtual void widgetMouseReleaseEvent( QMouseEvent* event );

        private:
                bool zoomMode;
                QwtPlotCanvas* canvas;
                QPixmap zoomMap;
                QCursor* zoomCursor;

        };

} /* namespace casa */
#endif /* SLICEZOOMER_H_ */