X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpreter/preprocessor/faust-0.9.47mr3/architecture/osclib/faust/src/nodes/FaustNode.h

diff --git a/interpreter/preprocessor/faust-0.9.47mr3/architecture/osclib/faust/src/nodes/FaustNode.h b/interpreter/preprocessor/faust-0.9.47mr3/architecture/osclib/faust/src/nodes/FaustNode.h
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--- /dev/null
+++ b/interpreter/preprocessor/faust-0.9.47mr3/architecture/osclib/faust/src/nodes/FaustNode.h
@@ -0,0 +1,91 @@
+/*
+
+  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