source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "debug.hh"
#include "collision.hh"
#include "paper-def.hh"
-
-IMPLEMENT_IS_TYPE_B1(Rest_collision,Item);
-
void
-Rest_collision::add (Note_column *nc_l)
+Rest_collision::add_column (Note_column *nc_l)
{
add_dependency (nc_l);
if (nc_l->rest_b ())
Rest_collision::do_post_processing()
{
/*
+ [TODO]
handle rest under beam (do_post: beams are calculated now)
-
- [todo]
- i-d like to have access to the beam itself,
- iso only the (half-initialised?) stem
-
what about combination of collisions and rest under beam
*/
-
- // no rests to collide
- if (!rest_l_arr_.size())
- return;
- // can this happen?
- Stem* stem_l = rest_l_arr_[0]->stem_l_;
- if (!stem_l)
- return;
- // no beam
- if (!(stem_l->beams_left_i_ || stem_l->beams_right_i_))
- return;
-
- int dir_i = rest_l_arr_[0]->dir_;
- int midpos = 4;
-#if 1
- // ugh
- int stem_length_i = 7 - 2;
- // ugh, Stem::stem_start vs Stem::stem_end
- int pos = (int)(stem_l->stem_end_f() - midpos) - dir_i * stem_length_i;
-#else // nogo: stem_start not set for rests?
- int pos = (stem_l->stem_start_f() - midpos) + dir_i * 2;
-#endif
- rest_l_arr_[0]->translate_rests (pos);
}
void
{
int dy = rest_l_arr_.size() > 2 ? 6 : 4;
- rest_l_arr_[0]->translate_rests (rest_l_arr_[0]->dir_ *dy);
+ rest_l_arr_[0]->translate_rests (rest_l_arr_[0]->dir () *dy);
// top is last element...
- rest_l_arr_.top()->translate_rests (rest_l_arr_.top ()->dir_* dy);
+ rest_l_arr_.top()->translate_rests (rest_l_arr_.top ()->dir ()* dy);
}
// meisjes met jongetjes
else
{
-#if 0 // breendet: rests go always under
- // geen gemug, trug op je rug
- int dir_i = -1;
- rest_l_arr_[0]->translate_rests (dir_i * 3);
-#else
// int dir_i = - ncol_l_arr_[0]->dir_;
- int dir_i = rest_l_arr_[0]->dir_;
- // hope it's 4: if it works->doco
- int midpos = 4;
+ Direction dir = rest_l_arr_[0]->dir ();
// minimum move
int minpos = 4;
// UGH Should get dims from table!
int size_i = 6;
+
+ // staff ref'd?
+ Real internote_f = paper_l ()->get_realvar (interline_scm_sym)/2.0;
int sep_i = 3 + size_i / 2;
for (int i = 0; i < ncol_l_arr_.size(); i++)
{
// how to know whether to sort?
ncol_l_arr_[i]->sort();
for (int j = 0; j < ncol_l_arr_[i]->head_l_arr_.size(); j++)
- minpos = minpos >? dir_i *
- (ncol_l_arr_[i]->head_l_arr_[j]->position_i_ -midpos) + sep_i;
+ {
+ int stem = (int)((ncol_l_arr_[i]->stem_l_->extent
+ (Y_AXIS)[dir]) / internote_f);
+ minpos = minpos >? (dir * stem + sep_i);
+ }
}
- rest_l_arr_[0]->translate_rests (dir_i * minpos);
-#endif
+ rest_l_arr_[0]->translate_rests (dir * minpos);
}
}
}
void
-Rest_collision::do_substitute_dependency (Score_elem*o,Score_elem*n)
+Rest_collision::do_substitute_element_pointer (Score_element*o,Score_element*n)
{
- Item*o_l = o->item();
-
-
- if (o_l&&o_l->is_type_b (Note_column::static_name ()))
+ if (Note_column *onl = dynamic_cast<Note_column *> (o))
{
- Note_column *n_l = n?(Note_column*)n->item():0;
- rest_l_arr_.substitute ((Note_column*)o_l, n_l);
- ncol_l_arr_.substitute ((Note_column*)o_l, n_l);
+ Note_column *n_l = n?dynamic_cast<Note_column *> (n):0;
+ rest_l_arr_.substitute (onl, n_l);
+ ncol_l_arr_.substitute (onl, n_l);
}
}
Rest_collision::Rest_collision()
{
- transparent_b_ = true;
+ set_elt_property (transparent_scm_sym, SCM_BOOL_T);
set_empty (true);
}