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GnuPlotter.h

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// This plotting program courtesy of M. Rauscher, modifications by K. S. Brown
//              Any derived class of GnuPlotter must overload Update, even
//      if (as in the example of a one-time plot) you don't use it.

#ifndef GNUPLOTTER_H
#define GNUPLOTTER_H

#include <sstream>
#include <stdio.h>
#include "SubjectObserver.h"
#include <stdlib.h>

class GnuPlotter : public Observer
{
        protected:
                char title[256];
            char buffnamevalue[256];
                char *buffername;
            int buffattempt;
            FILE* gnuplot_pipe;
                FILE* buffer;
        public:
                virtual bool SetTitle(const char * text) 
                { 
                        #ifdef _DEBUG 
                                if (strlen(text)>=255) return(false);
                        #endif
                        strcpy(title, text);
                        return(true);
                }
#ifndef SWIG
                GnuPlotter(void);
                GnuPlotter(FILE * gplotpipe);
                virtual ~GnuPlotter(void);

                // virtual bool InitializeGnuplot(void)=0;
                virtual bool FlushGnuPlotter(void) 
                { 
                        #ifdef _DEBUG
                                if (gnuplot_pipe==NULL) return(false);
                        #endif 
                        fflush(gnuplot_pipe);
                        return(true);
                };
                virtual bool SendPlotCommand(const char* commandstring);
                virtual void Update(Subject *theChangedSubject) = 0;
#endif // SWIG
};
#endif

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