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Diffstat (limited to 'attic/muse_qt4_evolution/synti/zynaddsubfx/Synth/Envelope.h')
-rw-r--r-- | attic/muse_qt4_evolution/synti/zynaddsubfx/Synth/Envelope.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/attic/muse_qt4_evolution/synti/zynaddsubfx/Synth/Envelope.h b/attic/muse_qt4_evolution/synti/zynaddsubfx/Synth/Envelope.h new file mode 100644 index 00000000..d78eb16d --- /dev/null +++ b/attic/muse_qt4_evolution/synti/zynaddsubfx/Synth/Envelope.h @@ -0,0 +1,58 @@ +/* + ZynAddSubFX - a software synthesizer + + Envelope.h - Envelope implementation + Copyright (C) 2002-2005 Nasca Octavian Paul + Author: Nasca Octavian Paul + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License + as published by the Free Software Foundation. + + This program 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 (version 2) for more details. + + You should have received a copy of the GNU General Public License (version 2) + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +*/ + +#ifndef ENVELOPE_H +#define ENVELOPE_H + +#include <math.h> +#include "../globals.h" +#include "../Params/EnvelopeParams.h" + +class Envelope{ +public: + Envelope(EnvelopeParams *envpars,REALTYPE basefreq); + ~Envelope(); + void relasekey(); + REALTYPE envout(); + REALTYPE envout_dB(); + int finished();//returns 1 if the envelope is finished +private: + int envpoints; + int envsustain;//"-1" means disabled + REALTYPE envdt[MAX_ENVELOPE_POINTS];//millisecons + REALTYPE envval[MAX_ENVELOPE_POINTS];// [0.0 .. 1.0] + REALTYPE envstretch; + int linearenvelope; + + int currentpoint; //current envelope point (starts from 1) + int forcedrelase; + char keyreleased; //if the key was released + char envfinish; + REALTYPE t; // the time from the last point + REALTYPE inct;// the time increment + REALTYPE envoutval;//used to do the forced release +}; + + +#endif + + |