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// phraser.h
/******************************************************************************
*
* MiXViews - an X window system based sound & data editor/processor
*
* Copyright (c) 1993, 1994 Regents of the University of California
*
* Author: Douglas Scott
* Date: December 13, 1994
*
* Permission to use, copy and modify this software and its documentation
* for research and/or educational purposes and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation. The author reserves the right to distribute this
* software and its documentation. The University of California and the author
* make no representations about the suitability of this software for any
* purpose, and in no event shall University of California be liable for any
* damage, loss of data, or profits resulting from its use.
* It is provided "as is" without express or implied warranty.
*
******************************************************************************/
// this maps an Envelope over the amplitudes of the data [f(x) = f(env, x)]
#ifndef PHRASER_H
#ifdef __GNUG__
#pragma interface
#endif
#define PHRASER_H
#include "processfun.h"
class Envelope;
class EnvelopeFunction : public SimpleFunction {
public:
EnvelopeFunction(Data* output, Envelope *evp);
virtual ~EnvelopeFunction();
redefined void restoreState();
protected:
Envelope *envelope;
};
class Phraser : public EnvelopeFunction {
typedef EnvelopeFunction Super;
public:
Phraser(Data* output, Envelope *evp, double amp);
Phraser(Data* output, Envelope *evp);
redefined const char* message() { return "Applying envelope..."; }
redefined double operator () (double input);
protected:
redefined Requester* createRequester();
redefined void initialize();
private:
double gain;
};
#endif
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