source file of the GNU LilyPond music typesetter
- (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2000--2004 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "performer.hh"
-#include "command-request.hh"
-#include "musical-request.hh"
+
+#include "event.hh"
#include "audio-item.hh"
-#include "dictionary.hh"
-#include "dictionary-iter.hh"
/**
perform Piano pedals
{
struct Pedal_info
{
- Span_req* start_req_l_;
- Drul_array<Span_req*> req_l_drul_;
+ char const *name_;
+ Music* start_req_;
+ Drul_array<Music*> req_l_drul_;
};
public:
- VIRTUAL_COPY_CONS (Translator);
+ TRANSLATOR_DECLARATIONS(Piano_pedal_performer);
+ ~Piano_pedal_performer ();
- Piano_pedal_performer ();
-
protected:
- virtual bool do_try_music (Music*);
- virtual void do_process_music ();
- virtual void do_pre_move_processing ();
- virtual void do_post_move_processing ();
+ virtual void initialize ();
+ virtual bool try_music (Music*);
+ virtual void create_audio_elements ();
+ virtual void stop_translation_timestep ();
+ virtual void start_translation_timestep ();
private:
- Link_array<Audio_piano_pedal> audio_p_arr_;
- Dictionary<Pedal_info> info_dict_;
+ Link_array<Audio_piano_pedal> audios_;
+ Pedal_info * info_alist_;
};
-ADD_THIS_TRANSLATOR (Piano_pedal_performer);
-
Piano_pedal_performer::Piano_pedal_performer ()
{
- (void)info_dict_["Sostenuto"];
- (void)info_dict_["Sustain"];
- (void)info_dict_["UnaChorda"];
- for (Dictionary_iter <Pedal_info> i (info_dict_); i.ok (); i++)
+ info_alist_ = 0;
+}
+
+Piano_pedal_performer::~Piano_pedal_performer ()
+{
+ delete[] info_alist_;
+}
+
+void
+Piano_pedal_performer::initialize ()
+{
+ info_alist_ = new Pedal_info[4];
+ Pedal_info *p = info_alist_;
+
+ char * names [] = { "Sostenuto", "Sustain", "UnaCorda", 0 };
+ char **np = names ;
+ do
{
- Pedal_info& p = i.val_ref ();
- p.req_l_drul_[START] = 0;
- p.req_l_drul_[STOP] = 0;
- p.start_req_l_ = 0;
+ p->name_ = *np;
+ p->req_l_drul_[START] = 0;
+ p->req_l_drul_[STOP] = 0;
+ p->start_req_ = 0;
+
+ p++;
}
+ while (* (np ++));
}
void
-Piano_pedal_performer::do_process_music ()
+Piano_pedal_performer::create_audio_elements ()
{
- for (Dictionary_iter <Pedal_info> i (info_dict_); i.ok (); i++)
+ for (Pedal_info*p = info_alist_; p && p->name_; p ++)
+
{
- Pedal_info& p = i.val_ref ();
- if (p.req_l_drul_[STOP])
+ if (p->req_l_drul_[STOP])
{
- if (!p.start_req_l_)
+ if (!p->start_req_)
{
- p.req_l_drul_[STOP]->warning (_f ("can't find start of piano pedal: %s", i.key ()));
+ p->req_l_drul_[STOP]->origin ()->warning (_f ("can't find start of piano pedal: `%s'", String (p->name_)));
}
else
{
Audio_piano_pedal* a = new Audio_piano_pedal;
- a->type_str_ = i.key ();
+ a->type_string_ = String (p->name_);
a->dir_ = STOP;
- audio_p_arr_.push (a);
+ audios_.push (a);
}
- p.start_req_l_ = 0;
+ p->start_req_ = 0;
}
- if (p.req_l_drul_[START])
+ if (p->req_l_drul_[START])
{
- p.start_req_l_ = p.req_l_drul_[START];
+ p->start_req_ = p->req_l_drul_[START];
Audio_piano_pedal* a = new Audio_piano_pedal;
- a->type_str_ = i.key ();
+ a->type_string_ = String (p->name_);
a->dir_ = START;
- audio_p_arr_.push (a);
+ audios_.push (a);
}
+ p->req_l_drul_[START] = 0;
+ p->req_l_drul_[STOP] = 0;
}
}
void
-Piano_pedal_performer::do_pre_move_processing ()
+Piano_pedal_performer::stop_translation_timestep ()
{
- for (int i=0; i < audio_p_arr_.size (); i++)
- play_element (audio_p_arr_[i]);
- audio_p_arr_.clear ();
+ for (int i=0; i< audios_.size (); i++)
+ play_element (audios_[i]);
+ audios_.clear ();
}
void
-Piano_pedal_performer::do_post_move_processing ()
+Piano_pedal_performer::start_translation_timestep ()
{
- for (Dictionary_iter <Pedal_info> i (info_dict_); i.ok (); i++)
+ for (Pedal_info*p = info_alist_; p && p->name_; p ++)
{
- Pedal_info& p = i.val_ref ();
- p.req_l_drul_[STOP] = 0;
- p.req_l_drul_[START] = 0;
+ p->req_l_drul_[STOP] = 0;
+ p->req_l_drul_[START] = 0;
}
}
bool
-Piano_pedal_performer::do_try_music (Music* r)
+Piano_pedal_performer::try_music (Music* r)
{
- for (Dictionary_iter <Pedal_info> i (info_dict_); i.ok (); i++)
+ if (r->is_mus_type ("pedal-event"))
{
- Pedal_info& p = i.val_ref ();
- if (Span_req * s = dynamic_cast<Span_req*>(r))
+ for (Pedal_info*p = info_alist_; p->name_; p ++)
{
- if (s->span_type_str_ == i.key ())
+ String nm = p->name_ + String ("Event");
+ if (gh_equal_p (r->get_mus_property ("name") ,
+ scm_makfrom0str (nm.to_str0())))
{
- p.req_l_drul_[s->span_dir_] = s;
+ Direction d = to_dir (r->get_mus_property ("span-direction"));
+ p->req_l_drul_[d] = r;
return true;
}
}
}
return false;
}
+
+ENTER_DESCRIPTION (Piano_pedal_performer, "","",
+ "pedal-event",
+ "","","" );