-/*
-
- Copyright (C) 2011 Grame
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-
- Grame Research Laboratory, 9 rue du Garet, 69001 Lyon - France
- research@grame.fr
-
-*/
-
-
-#ifndef __FaustNode__
-#define __FaustNode__
-
-#include <string>
-#include <vector>
-
-#include "MessageDriven.h"
-
-namespace oscfaust
-{
-
-class FaustNode;
-typedef class SMARTP<FaustNode> SFaustNode;
-
-/**
- * map (rescale) input values to output values
- */
-struct mapping
-{
- const float fMinIn;
- const float fMaxIn;
- const float fMinOut;
- const float fMaxOut;
- const float fScale;
-
- mapping(float imin, float imax, float omin, float omax) : fMinIn(imin), fMaxIn(imax),
- fMinOut(omin), fMaxOut(omax),
- fScale( (fMaxOut-fMinOut)/(fMaxIn-fMinIn) ) {}
- float scale (float x) { float z = (x < fMinIn) ? fMinIn : (x > fMaxIn) ? fMaxIn : x; return fMinOut + (z - fMinIn) * fScale; }
-};
-
-
-//--------------------------------------------------------------------------
-/*!
- \brief a faust node is a terminal node and represents a faust parameter controler
-*/
-class FaustNode : public MessageDriven
-{
- float * fZone; // the parameter memory zone
- mapping fMapping;
-
- bool store (float val);
-
- protected:
- FaustNode(const char *name, float* zone, float init, float min, float max, const char* prefix)
- : MessageDriven (name, prefix), fZone(zone), fMapping(min, max, min, max)
- { *zone = init; }
-
- FaustNode(const char *name, float* zone, float imin, float imax, float init, float min, float max, const char* prefix)
- : MessageDriven (name, prefix), fZone(zone), fMapping(imin, imax, min, max)
- { *zone = init; }
- virtual ~FaustNode() {}
-
- public:
- static SFaustNode create (const char* name, float* zone, float init, float min, float max, const char* prefix)
- { return new FaustNode(name, zone, init, min, max, prefix); }
- static SFaustNode create (const char* name, float* zone, float imin, float imax, float init, float min, float max, const char* prefix)
- { return new FaustNode(name, zone, imin, imax, init, min, max, prefix); }
-
-
- virtual bool accept( const Message* msg ); ///< handler for the 'accept' message
- virtual void get (unsigned long ipdest) const; ///< handler for the 'get' message
-};
-
-} // end namespoace
-
-#endif