GeneralFunction.h

Go to the documentation of this file.

//    Copyright 2004-2019, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    H3D API 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 General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __GENERALFUNCTION_H__
#define __GENERALFUNCTION_H__
 
// H3D API includes
#include <H3D/H3DFunctionNode.h>
#include <H3D/SFString.h>
 
#ifdef HAVE_FPARSER
 
namespace HAPI {
  // Forward declaration.
  class ParsedFunction;
}
 
namespace H3D {
  class H3DAPI_API GeneralFunction : public H3DFunctionNode {
  public:
    class H3DAPI_API SFFunctionObject: 
      public TypedField< SField< HAPI::ParsedFunction * >,
                         Types< SFString, SFString > > {
    public:
      SFFunctionObject();
 
      ~SFFunctionObject();
 
    protected:
      virtual void update();
    };
 
    GeneralFunction( Inst< SFNode  > _metadata  = 0,
                     Inst< SFString > _function = 0,
                     Inst< SFString > _params   = 0,
                     Inst< SFFunctionObject > _functionObject = 0 );    
 
 
    virtual unsigned int nrInputValues();
 
    virtual HAPI::HAPIFunctionObject *getAsHAPIFunctionObject();
 
    H3DDouble evaluate(H3DDouble *x );
 
    H3DUniquePtr< SFString > function;
 
    H3DUniquePtr< SFString > params;
 
    static H3DNodeDatabase database;
 
  protected:
    H3DUniquePtr< SFFunctionObject > functionObject;
  };
}
 
#endif
#endif