/*
TODO:
handle multiple requests
- handle span requests (crescendo/decrescendo)
*/
/**
class Dynamic_performer : public Performer
{
public:
- VIRTUAL_COPY_CONS (Translator);
-
- Dynamic_performer ();
- ~Dynamic_performer ();
-
+ TRANSLATOR_DECLARATIONS(Dynamic_performer);
protected:
- void do_print () const;
- virtual bool do_try_music (Music* req_l);
- virtual void do_process_music ();
- virtual void do_pre_move_processing ();
+ virtual bool try_music (Music* req_l);
+ virtual void stop_translation_timestep ();
+ virtual void create_audio_elements ();
private:
- Text_script_req* text_script_req_l_;
+ Music* script_req_l_;
Audio_dynamic* audio_p_;
};
-ADD_THIS_TRANSLATOR (Dynamic_performer);
+
Dynamic_performer::Dynamic_performer ()
{
- text_script_req_l_ = 0;
+ script_req_l_ = 0;
audio_p_ = 0;
}
-Dynamic_performer::~Dynamic_performer ()
-{
-}
-
void
-Dynamic_performer::do_print () const
+Dynamic_performer::create_audio_elements ()
{
-#ifndef NPRINT
- if (text_script_req_l_)
- text_script_req_l_->print ();
-#endif
-}
-
-void
-Dynamic_performer::do_process_music ()
-{
- if (text_script_req_l_)
+ if (script_req_l_)
{
-
- SCM s = scm_eval
- (gh_list
- (ly_symbol2scm ("dynamic-absolute-volume"),
- ly_quote_scm (ly_str02scm (text_script_req_l_->text_str_.ch_C ())),
- SCM_UNDEFINED));
- Real volume = gh_scm2double (scm_eval (ly_symbol2scm ("dynamic-default-volume")));
- if (gh_number_p (s))
- volume = gh_scm2double (s);
-
+ SCM proc = get_property ("dynamicAbsoluteVolumeFunction");
+
+ SCM svolume = SCM_EOL;
+ if (gh_procedure_p (proc))
+ {
+ // urg
+ svolume = gh_call1 (proc, script_req_l_->get_mus_property ("text"));
+ }
+
+ Real volume = 0.5;
+ if (gh_number_p (svolume))
+ volume = gh_scm2double (svolume);
+
/*
properties override default equaliser setting
*/
/*
urg, code duplication:: staff_performer
*/
- s = get_property ("midiInstrument");
+ SCM s = get_property ("midiInstrument");
- if (!gh_string_p(s))
+ if (!gh_string_p (s))
s = get_property ("instrument");
- if (!gh_string_p(s))
+ if (!gh_string_p (s))
s = ly_str02scm ("piano");
- s = scm_eval (gh_list (ly_symbol2scm ("instrument-equaliser"),
- s, SCM_UNDEFINED));
+ SCM eq = get_property ("instrumentEqualizer");
+ if (gh_procedure_p (eq))
+ {
+ s = gh_call1 (eq, s);
+ }
+
if (gh_pair_p (s))
{
Interval iv;
- iv[MIN] = gh_scm2double (gh_car (s));
- iv[MAX] = gh_scm2double (gh_cdr (s));
+ iv[MIN] = gh_scm2double (ly_car (s));
+ iv[MAX] = gh_scm2double (ly_cdr (s));
volume = iv[MIN] + iv.length () * volume;
}
}
audio_p_ = new Audio_dynamic (volume);
- Audio_element_info info (audio_p_, text_script_req_l_);
+ Audio_element_info info (audio_p_, script_req_l_);
announce_element (info);
- text_script_req_l_ = 0;
+ script_req_l_ = 0;
}
}
void
-Dynamic_performer::do_pre_move_processing ()
+Dynamic_performer::stop_translation_timestep ()
{
if (audio_p_)
{
}
bool
-Dynamic_performer::do_try_music (Music* r)
+Dynamic_performer::try_music (Music* r)
{
- if (!text_script_req_l_)
+ if (!script_req_l_)
{
- // urg, text script, style `dynamic' is how absolute dynamics appear
- if(Text_script_req* t = dynamic_cast <Text_script_req*> (r))
+ if (dynamic_cast <Text_script_req*> (r)
+ && r->get_mus_property ("text-type") == ly_symbol2scm ("dynamic"))
{
- if (t->style_str_ == "dynamic")
- {
- text_script_req_l_ = t;
- return true;
- }
+ script_req_l_ = r;
+ return true;
}
}
return false;
}
+ENTER_DESCRIPTION(Dynamic_performer,
+ "","","","dynamicAbsoluteVolumeFunction midiMaximumVolume midiMinimumVolume midiInstrument instrumentEqualizer","");