/*
slur-grav.cc -- implement Slur_engraver
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "proto.hh"
#include "musical-request.hh"
#include "slur-engraver.hh"
#include "slur.hh"
#include "debug.hh"
#include "note-column.hh"
#include "translator-group.hh"
+#include "engraver.hh"
+#include "spanner.hh"
+
+class Slur_engraver : public Engraver
+{
+ Link_array<Span_req> requests_arr_;
+ Link_array<Span_req> new_slur_req_l_arr_;
+ Link_array<Score_element> slur_l_stack_;
+ Link_array<Score_element> end_slur_l_arr_;
+ Moment last_start_;
+
+ void set_melisma (bool);
+
+protected:
+ virtual bool do_try_music (Music*);
+ virtual void do_process_music ();
+ virtual void acknowledge_element (Score_element_info);
+ virtual void do_pre_move_processing ();
+ virtual void do_post_move_processing ();
+ virtual void do_removal_processing ();
+
+public:
+ VIRTUAL_COPY_CONS (Translator);
+ Slur_engraver ();
+};
+
+Slur_engraver::Slur_engraver ()
+{
+ last_start_ = Moment (-1);
+}
bool
Slur_engraver::do_try_music (Music *req_l)
{
if (Span_req *sl = dynamic_cast <Span_req *> (req_l))
{
- if (sl->span_type_str_ != "slur")
- return false;
- new_slur_req_l_arr_.push (sl);
-
- return true;
+ String t = ly_scm2string (sl->get_mus_property ("span-type"));
+ if (t == "abort")
+ {
+ for (int i = 0; i < slur_l_stack_.size (); i++)
+ {
+ slur_l_stack_[i]->suicide ();
+ }
+ slur_l_stack_.clear ();
+ for (int i = 0; i < end_slur_l_arr_.size (); i++)
+ {
+ end_slur_l_arr_[i]->suicide ();
+ }
+ end_slur_l_arr_.clear ();
+ requests_arr_.clear ();
+ new_slur_req_l_arr_.clear ();
+ }
+ else if (t == "slur")
+ {
+ /*
+ Let's not start more than one slur per moment.
+ */
+ if (sl->get_span_dir() == START)
+ {
+ if (now_mom () > last_start_)
+ {
+ new_slur_req_l_arr_.push (sl);
+ last_start_ = now_mom ();
+ return true;
+ }
+ }
+ else
+ {
+ new_slur_req_l_arr_.push (sl);
+ return true;
+ }
+ }
}
return false;
}
void
Slur_engraver::set_melisma (bool m)
{
- Translator_group *where = daddy_trans_l_;
- get_property ("slurMelismaBusy", &where);
- if (!where)
- where = daddy_trans_l_;
-
- daddy_trans_l_->set_property ("slurMelismaBusy", m ? "1" :"0");
+ daddy_trans_l_->set_property ("slurMelismaBusy", m ? SCM_BOOL_T :SCM_BOOL_F);
}
void
Slur_engraver::acknowledge_element (Score_element_info info)
{
- if (dynamic_cast<Note_column *> (info.elem_l_))
+ if (Note_column::has_interface (info.elem_l_))
{
- Note_column *col_l =dynamic_cast<Note_column *> (info.elem_l_) ;// ugh
- for (int i = 0; i < slur_l_stack_.size(); i++)
- slur_l_stack_[i]->add_column (col_l);
- for (int i = 0; i < end_slur_l_arr_.size(); i++)
- end_slur_l_arr_[i]->add_column (col_l);
+ Score_element *e =info.elem_l_;
+ for (int i = 0; i < slur_l_stack_.size (); i++)
+ Slur::add_column (slur_l_stack_[i], e);
+ for (int i = 0; i < end_slur_l_arr_.size (); i++)
+ Slur::add_column (end_slur_l_arr_[i], e);
}
}
void
Slur_engraver::do_removal_processing ()
{
- for (int i = 0; i < slur_l_stack_.size(); i++)
+ for (int i = 0; i < slur_l_stack_.size (); i++)
{
+#if 0
typeset_element (slur_l_stack_[i]);
+#else
+ /*
+ Let's not typeset unterminated stuff
+ */
+ slur_l_stack_[i]->suicide ();
+#endif
}
slur_l_stack_.clear ();
- if (!get_property ("weAreGraceContext",0).to_bool ())
- for (int i=0; i < requests_arr_.size(); i++)
+ SCM wg = get_property ("weAreGraceContext");
+ bool wgb = to_boolean (wg);
+ if (!wgb)
+ for (int i=0; i < requests_arr_.size (); i++)
{
- requests_arr_[i]->warning (_ ("unterminated slur"));
+ requests_arr_[i]->origin ()->warning (_ ("unterminated slur"));
}
}
void
-Slur_engraver::do_process_requests()
+Slur_engraver::do_process_music ()
{
- Array<Slur*> start_slur_l_arr_;
- for (int i=0; i< new_slur_req_l_arr_.size(); i++)
+ Link_array<Score_element> start_slur_l_arr;
+ for (int i=0; i< new_slur_req_l_arr_.size (); i++)
{
Span_req* slur_req_l = new_slur_req_l_arr_[i];
// end slur: move the slur to other array
- if (slur_req_l->span_dir_ == STOP)
+ if (slur_req_l->get_span_dir() == STOP)
{
- if (slur_l_stack_.empty())
-
- slur_req_l->warning (_f ("can't find both ends of %s", _("slur")));
+ if (slur_l_stack_.empty ())
+ slur_req_l->origin ()->warning (_f ("can't find start of slur"));
else
{
- end_slur_l_arr_.push (slur_l_stack_.pop());
- requests_arr_.pop();
+ Score_element* slur = slur_l_stack_.pop ();
+ SCM s = get_property ("slurEndAttachment");
+ if (gh_symbol_p (s))
+ {
+ index_set_cell (slur->get_elt_property ("attachment"), STOP, s);
+ }
+ end_slur_l_arr_.push (slur);
+ requests_arr_.pop ();
}
}
- else if (slur_req_l->span_dir_ == START)
+ else if (slur_req_l->get_span_dir() == START)
{
// push a new slur onto stack.
- //(use temp. array to wait for all slur STOPs)
- Slur * s_p =new Slur;
- Scalar prop = get_property ("slurDash", 0);
- if (prop.isnum_b ())
- s_p->set_elt_property (dashed_scm_sym, gh_int2scm(prop));
-
+ // (use temp. array to wait for all slur STOPs)
+ Score_element* slur = new Spanner (get_property ("Slur"));
+ Slur::set_interface (slur);
+ SCM s = get_property ("slurBeginAttachment");
+ if (gh_symbol_p (s))
+ {
+ index_set_cell (slur->get_elt_property ("attachment"), START, s);
+ }
+ start_slur_l_arr.push (slur);
requests_arr_.push (slur_req_l);
- start_slur_l_arr_.push (s_p);
- announce_element (Score_element_info (s_p, slur_req_l));
+ announce_element (slur, slur_req_l);
}
}
- for (int i=0; i < start_slur_l_arr_.size(); i++)
- slur_l_stack_.push (start_slur_l_arr_[i]);
+ for (int i=0; i < start_slur_l_arr.size (); i++)
+ slur_l_stack_.push (start_slur_l_arr[i]);
}
void
-Slur_engraver::do_pre_move_processing()
+Slur_engraver::do_pre_move_processing ()
{
- Scalar dir (get_property ("slurVerticalDirection", 0));
- Scalar dir2 (get_property ("verticalDirection", 0));
-
- Direction slurdir = CENTER;
- if (dir.length_i () && dir.isnum_b ())
- slurdir = (Direction) sign (int(dir));
- else if (dir2.length_i () && dir2.isnum_b ())
- slurdir = (Direction) sign (int (dir2));
-
- for (int i = 0; i < end_slur_l_arr_.size(); i++)
+ for (int i = 0; i < end_slur_l_arr_.size (); i++)
{
- end_slur_l_arr_[i]->dir_ = slurdir;
typeset_element (end_slur_l_arr_[i]);
}
- end_slur_l_arr_.clear();
+ end_slur_l_arr_.clear ();
}
void
-Slur_engraver::do_post_move_processing()
+Slur_engraver::do_post_move_processing ()
{
- new_slur_req_l_arr_.clear();
- if (get_property ("automaticMelismas",0).to_bool ())
+ new_slur_req_l_arr_.clear ();
+ SCM m = get_property ("automaticMelismata");
+ if (to_boolean (m))
{
set_melisma (slur_l_stack_.size ());
}
}
-ADD_THIS_TRANSLATOR(Slur_engraver);
+ADD_THIS_TRANSLATOR (Slur_engraver);