QtDrawSettings.h

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00001 //# Copyright (C) 2005
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 
00027 #ifndef TQPLOTSETTINGS_H
00028 #define TQPLOTSETTINGS_H
00029 
00030 #include <cmath>
00031 
00032 namespace casa {
00033 
00034         class QtDrawSettings {
00035         public:
00036                 QtDrawSettings();
00037 
00038                 void scroll(int dx, int dy);
00039                 void adjust();
00040                 double spanX() const {
00041                         return maxX - minX;
00042                 }
00043                 double spanY() const {
00044                         return maxY - minY;
00045                 }
00046 
00047                 double minX;
00048                 double maxX;
00049                 int numXTicks;
00050                 double minY;
00051                 double maxY;
00052                 int numYTicks;
00053 
00054 
00055         private:
00056                 void adjustAxis(double &min, double &max, int &numTicks);
00057         };
00058 
00059 
00060 }
00061 #endif
00062 
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