ds9writer.h

Go to the documentation of this file.

//# ds9writer.h: class used for writing ds9 region files
//# Copyright (C) 2012
//# 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
//#
//# $Id: $

#ifndef DISPLAY_DS9_DS9WRITER_H_
#define DISPLAY_DS9_DS9WRITER_H_
#include <stdio.h>

namespace casa {

        class WorldCanvas;

        namespace viewer {

                class ds9writer {
                public:
                        ds9writer( const char *output_path, const char *coord_sys );
                        virtual ~ds9writer( );
                        void setCsysSource(const char *);
                        bool open( );
                        bool rectangle( WorldCanvas *, const std::vector<std::pair<double,double> > &pts );
                        bool ellipse( WorldCanvas *, const std::vector<std::pair<double,double> > &pts );
                        bool polygon( WorldCanvas *, const std::vector<std::pair<double,double> > &pts );
                        bool polyline( WorldCanvas *, const std::vector<std::pair<double,double> > &pts );
                        bool point( WorldCanvas *, const std::vector<std::pair<double,double> > &pts );
                private:
                        typedef std::map<std::string,std::string> str_map_type;
                        str_map_type defaults;

                        struct cs {
                                typedef void (*from_linear_2_type)(WorldCanvas*wc,double,double,double&,double&);
                                typedef void (*from_linear_4_type)(WorldCanvas*wc,double,double,double,double,double&,double&,double&,double&);
                                cs( const char *ds9_type, casacore::MDirection::Types t,
                                    from_linear_2_type func2, from_linear_4_type func4 ) : ds9(ds9_type), type(t), cvt2(func2), cvt4(func4) { }
                                ~cs( ) { }
                                const std::string ds9;
                                const casacore::MDirection::Types type;
                                from_linear_2_type cvt2;
                                from_linear_4_type cvt4;
                        };
                        typedef std::map<std::string,cs> coord_map_type;
                        coord_map_type coord_systems;
                        char *path;
                        char *csys;
                        char *csys_file_path;
                        bool opened;
                        FILE *fptr;
                };
        }
}

#endif