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SliceZoomer.h
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00001 //# Copyright (C) 1994,1995,1996,1997,1998,1999,2000
00002 //# Associated Universities, Inc. Washington DC, USA.
00003 //#
00004 //# This library is free software; you can redistribute it and/or modify it
00005 //# under the terms of the GNU Library General Public License as published by
00006 //# the Free Software Foundation; either version 2 of the License, or (at your
00007 //# option) any later version.
00008 //#
00009 //# This library is distributed in the hope that it will be useful, but WITHOUT
00010 //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00011 //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00012 //# License for more details.
00013 //#
00014 //# You should have received a copy of the GNU Library General Public License
00015 //# along with this library; if not, write to the Free Software Foundation,
00016 //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
00017 //#
00018 //# Correspondence concerning AIPS++ should be addressed as follows:
00019 //#        Internet email: aips2-request@nrao.edu.
00020 //#        Postal address: AIPS++ Project Office
00021 //#                        National Radio Astronomy Observatory
00022 //#                        520 Edgemont Road
00023 //#                        Charlottesville, VA 22903-2475 USA
00024 //#
00025 
00026 #ifndef SLICEZOOMER_H_
00027 #define SLICEZOOMER_H_
00028 
00029 #include <qwt_plot_zoomer.h>
00030 
00031 class QwtPlotCanvas;
00032 class QKeyEvent;
00033 
00034 namespace casa {
00035 
00036 class SliceZoomer : public QwtPlotZoomer {
00037 
00038 public:
00039         SliceZoomer( QwtPlotCanvas* plot);
00040         virtual ~SliceZoomer();
00041         void zoomIn();
00042         void zoomOut();
00043         void zoomNeutral();
00044         virtual void zoom( const QwtDoubleRect & );
00045 
00046 
00047 protected:
00048         virtual void widgetMouseReleaseEvent( QMouseEvent* event );
00049 
00050 private:
00051         bool zoomMode;
00052         QwtPlotCanvas* canvas;
00053         QPixmap zoomMap;
00054         QCursor* zoomCursor;
00055 
00056 };
00057 
00058 } /* namespace casa */
00059 #endif /* SLICEZOOMER_H_ */