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/***************************************************************************
Functions.h - list of simple periodic functions
-------------------
begin : Jan 21 2001
copyright : (C) 2001 by Thomas Eschenbacher
email : Thomas Eschenbacher <thomas.eschenbacher@gmx.de>
***************************************************************************/
/***************************************************************************
* *
* This program 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. *
* *
***************************************************************************/
#ifndef FUNCTIONS_H
#define FUNCTIONS_H
#include "config.h"
#include "libkwave/TypesMap.h"
#include <QString>
namespace Kwave
{
/**
* @class Functions
* Holds a list of simple periodic arithmetic functions. All functions are
* normed to work within the interval [0...2 Pi]
*/
class Functions
{
public:
typedef double(periodic_function_t)(double);
/** Constructor */
Functions();
/** Destructor */
virtual ~Functions();
/** Returns the number of functions */
unsigned int count() const;
/**
* Returns the name of a function. If the index is out of range,
* the returned name will be that of the "zero()" function.
* @param index [0...count-1]
*/
QString name(unsigned int index);
/**
* Returns a reference to a function. If the index is out of range,
* the returned function will be "zero()".
* @param index [0...count-1]
*/
periodic_function_t &function(unsigned int index) const;
private:
class FunctionTypesMap:
public Kwave::TypesMap< unsigned int, periodic_function_t* >
{
public:
/** Constructor */
explicit FunctionTypesMap()
:Kwave::TypesMap<unsigned int, periodic_function_t *>()
{
fill();
}
/** fills the types map */
void fill() override;
};
/** map of periodic functions */
FunctionTypesMap m_functions_map;
};
}
#endif /* FUNCTIONS_H */
//***************************************************************************
//***************************************************************************
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