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/*
ZynAddSubFX - a software synthesizer
EnvelopeParams.h - Parameters for Envelope
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_PARAMS_H
#define ENVELOPE_PARAMS_H
#define MAX_ENVELOPE_POINTS 40
#define MIN_ENVELOPE_DB -40
#define ZYN_ENVELOPE_MODE_ADSR 1 // ADSR parameters (linear amplitude)
#define ZYN_ENVELOPE_MODE_ADSR_DB 2 // ADSR_dB parameters (dB amplitude)
#define ZYN_ENVELOPE_MODE_ASR 3 // ASR parameters (frequency LFO)
#define ZYN_ENVELOPE_MODE_ADSR_FILTER 4 // ADSR_filter parameters (filter parameters)
#define ZYN_ENVELOPE_MODE_ASR_BW 5 // ASR_bw parameters (bandwidth parameters)
class EnvelopeParams
{
public:
EnvelopeParams();
~EnvelopeParams();
void
init_adsr(
unsigned char stretch,
bool forced_release,
char attack_duration,
char decay_duration,
char sustain_value,
char release_duration,
bool linear);
void
init_asr(
unsigned char stretch,
bool forced_release,
char attack_value,
char attack_duration,
char release_value,
char release_duration);
void
init_adsr_filter(
unsigned char stretch,
bool forced_release,
char attack_value,
char attack_duration,
char decay_value,
char decay_duration,
char release_duration,
char release_value);
void
init_asr_bw(
unsigned char stretch,
bool forced_release,
char attack_value,
char attack_duration,
char release_value,
char release_duration);
unsigned char
get_value(
int index);
void
set_value(
int index,
unsigned char value);
unsigned char
get_duration(
int index);
void
set_duration(
int index,
unsigned char duration);
REALTYPE getdt(unsigned char i);
void set_point_value(int i, unsigned char value);
unsigned char Penvpoints;
unsigned char Penvsustain; // 127 pentru dezactivat
unsigned char Penvdt[MAX_ENVELOPE_POINTS];
float m_values[MAX_ENVELOPE_POINTS];
unsigned char m_values_params[MAX_ENVELOPE_POINTS];
// 0 = no stretch
// 64 = normal stretch (piano-like)
// 127 = 200% = envelope is stretched about 4 times/octave
unsigned char m_stretch;
bool m_forced_release;
bool m_linear; // if the amplitude envelope is linear
unsigned int m_mode; // one of ZYN_ENVELOPE_MODE_XXX
int m_attack_duration_index;
int m_decay_duration_index;
int m_release_duration_index;
int m_attack_value_index;
int m_decay_value_index;
int m_sustain_value_index;
int m_release_value_index;
};
#endif
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