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#ifndef __ENVELOPE_H__
#define __ENVELOPE_H__
#include <jack/jack.h>
#include "programs.h"
#include "fixed.h"
class Envelope
{
public:
Envelope(jack_nframes_t a, jack_nframes_t d, fixed_t s, jack_nframes_t r, bool h);
Envelope(env_settings_t s);
void release_key();
void reattack();
fixed_t get_level();
bool still_active();
void set_hold(bool h);
void set_attack(jack_nframes_t a);
void set_decay(jack_nframes_t d);
void set_sustain(fixed_t s);
void set_release(jack_nframes_t r);
void set_max(fixed_t m)
{
max=m;
if (max>ONE) max=ONE;
else if (max<0) max=0;
}
void set_ratefactor(double factor);
bool get_hold() { return hold; }
jack_nframes_t get_attack() { return attack_orig; }
jack_nframes_t get_decay() { return decay_orig; }
fixed_t get_sustain() { return sustain; }
jack_nframes_t get_release() { return release_orig; }
private:
fixed_t max;
jack_nframes_t attack;
jack_nframes_t decay;
jack_nframes_t release;
jack_nframes_t attack_orig;
jack_nframes_t decay_orig;
jack_nframes_t release_orig;
jack_nframes_t rel_t;
fixed_t sustain;
fixed_t sustain_orig;
fixed_t level;
bool hold;
jack_nframes_t t;
fixed_t ratefactor;
enum
{
ATTACK,
DECAY,
HOLD,
RELEASE,
DONE
} state;
};
#endif
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