source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "debug.hh"
#include "rest-collision.hh"
-#include "rest-column.hh"
#include "note-column.hh"
#include "stem.hh"
#include "note-head.hh"
#include "collision.hh"
#include "paper-def.hh"
-IMPLEMENT_STATIC_NAME(Rest_collision);
-IMPLEMENT_IS_TYPE_B1(Rest_collision,Item);
-
-void
-Rest_collision::add(Note_column *nc_l)
-{
- add_dependency(nc_l);
- ncol_l_arr_.push(nc_l);
-}
-void
-Rest_collision::add(Rest_column *rc_l)
-{
- add_dependency(rc_l);
- rest_l_arr_.push(rc_l);
-}
+IMPLEMENT_IS_TYPE_B1(Rest_collision,Item);
void
-Rest_collision::add(Collision * c_l)
+Rest_collision::add_column (Note_column *nc_l)
{
- add_dependency(c_l);
- for (int i=0; i < c_l->clash_l_arr_.size(); i ++)
- ncol_l_arr_.push(c_l->clash_l_arr_[i]);
+ add_dependency (nc_l);
+ if (nc_l->rest_b ())
+ rest_l_arr_.push (nc_l);
+ else
+ ncol_l_arr_.push (nc_l);
}
void
Rest_collision::do_post_processing()
{
- /*
- 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;
-
- Real inter_f = paper()->internote_f();
- int dir_i = rest_l_arr_[0]->dir_i_;
- int midpos = 4;
-#if 1
- // ugh
- int stem_length_i = 7 - 2;
- // ugh, Stem::stem_start vs Stem::stem_end
- int pos = (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
- Real dy = pos * inter_f;
- rest_l_arr_[0]->translate_y(dy);
+ /*
+ 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;
+ // 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;
+ /*
+ nogo: stem_start not set for rests?
+ int pos = (stem_l->stem_begin_f() - midpos) + dir_i * 2;
+
+ WHY IS THIS STILL HERE? --hwn
+ */
+ rest_l_arr_[0]->translate_rests (pos);
}
void
Rest_collision::do_pre_processing()
{
- /*
- handle rest-rest and rest-note collisions
-
- [todo]
- decide not to print rest if too crowded?
- */
-
- // no rests to collide
- if (!rest_l_arr_.size())
- return;
-
- // no partners to collide with
- if (rest_l_arr_.size() + ncol_l_arr_.size() < 2 )
- return;
-
- Real inter_f = paper()->internote_f();
-
- // meisjes met meisjes
- if (!ncol_l_arr_.size()) {
- Real dy = rest_l_arr_.size() > 2 ? 6 * inter_f : 4 * inter_f;
- rest_l_arr_[0]->translate_y(dy);
- // top is last element...
- rest_l_arr_.top()->translate_y(-dy);
+ /*
+ handle rest-rest and rest-note collisions
+
+ [todo]
+ decide not to print rest if too crowded?
+ */
+
+ // no rests to collide
+ if (!rest_l_arr_.size())
+ return;
+
+ // no partners to collide with
+ if (rest_l_arr_.size() + ncol_l_arr_.size () < 2)
+ return;
+
+ // meisjes met meisjes
+ if (!ncol_l_arr_.size())
+ {
+ int dy = rest_l_arr_.size() > 2 ? 6 : 4;
+
+ 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);
}
- // 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_y(dir_i * 3 * inter_f);
-#else
- // int dir_i = - ncol_l_arr_[0]->dir_i_;
- int dir_i = rest_l_arr_[0]->dir_i_;
- // hope it's 4: if it works->doco
- int midpos = 4;
- // minimum move
- int minpos = 4;
- // quart rest height
- int size_i = 6;
- 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;
+ // meisjes met jongetjes
+ 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 = 0;
+
+ // minimum move
+ int minpos = 4;
+
+ // quart rest height
+ // UGH Should get dims from table!
+ int size_i = 6;
+
+ 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;
}
- Real dy = dir_i * minpos * inter_f;
- rest_l_arr_[0]->translate_y(dy);
-#endif
+ rest_l_arr_[0]->translate_rests (dir_i * minpos);
}
}
Rest_collision::do_print() const
{
#ifndef NPRINT
- mtor << "rests: " << rest_l_arr_.size() << ", ";
- mtor << "cols: " << ncol_l_arr_.size();
+ DOUT << "rests: " << rest_l_arr_.size() << ", ";
+ DOUT << "cols: " << ncol_l_arr_.size();
#endif
}
void
-Rest_collision::do_substitute_dependency(Score_elem*o,Score_elem*n)
+Rest_collision::do_substitute_dependency (Score_element*o,Score_element*n)
{
- Item*o_l = o->item();
- Item*n_l = n?n->item():0;
-
- rest_l_arr_.substitute((Rest_column*)o_l,(Rest_column*)n_l);
- ncol_l_arr_.substitute((Note_column*)o_l,(Note_column*)n_l);
+ Item*o_l = o->access_Item ();
+
+
+ if (o_l&&o_l->is_type_b (Note_column::static_name ()))
+ {
+ Note_column *n_l = n?(Note_column*)n->access_Item ():0;
+ rest_l_arr_.substitute ((Note_column*)o_l, n_l);
+ ncol_l_arr_.substitute ((Note_column*)o_l, n_l);
+ }
}
Rest_collision::Rest_collision()
{
- transparent_b_ = true;
- empty_b_ = true;
+ transparent_b_ = true;
+ set_empty (true);
}