Function.h

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//---------------------------------------------------------------------------------------
// Copyright (c) 2001-2023 by Apryse Software Inc. All Rights Reserved.
// Consult legal.txt regarding legal and license information.
//---------------------------------------------------------------------------------------
#ifndef PDFTRON_H_CPPPDFFunction
#define PDFTRON_H_CPPPDFFunction

#include <C/PDF/TRN_Function.h>
#include <SDF/Obj.h>


namespace pdftron { 
    namespace PDF {


class Function
{
public:

     Function (SDF::Obj funct_dict = 0);
     Function(const Function& f);
     Function& operator=(const Function& f);
     ~Function();

    enum Type
    {
        e_sampled     = 0, // uses a table of sample values to define the function.
        e_exponential = 2, // defines a set of coefficients for an exponential function.
        e_stitching   = 3, // a combination of other functions, partitioned across a domain.
        e_postscript  = 4  // A PostScript calculator function.
    };

     Type GetType() const;

     int GetInputCardinality();

     int GetOutputCardinality();

     std::vector<double> Eval(const std::vector<double>& in_arr);

#ifndef SWIG
     void Eval(double *in, double *out);
#endif

     SDF::Obj GetSDFObj ();

     void Destroy();

// @cond PRIVATE_DOC    
#ifndef SWIGHIDDEN
     Function(TRN_Function impl);
    TRN_Function mp_func;
#endif
// @endcond
};


#include <Impl/Function.inl>

    };  // namespace PDF
};  // namespace pdftron

#endif // PDFTRON_H_CPPPDFFunction