source file of the GNU LilyPond music typesetter
- (c) 1996,1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1996, 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "debug.hh"
#include "spanner.hh"
#include "p-col.hh"
#include "p-score.hh"
-#include "outputter.hh"
-
-IMPLEMENT_IS_TYPE_B1(Spanner,Score_elem);
+#include "molecule.hh"
+#include "paper-outputter.hh"
void
Spanner::do_print() const
{
#ifndef NPRINT
- DOUT << "Between col ";
- if (broken_into_l_arr_.size())
- DOUT << "with broken pieces\n";
+ DOUT << "Between " << classname (spanned_drul_[LEFT])
+ << " and " << classname (spanned_drul_[RIGHT]) << '\n';
+
+ if (broken_b ())
+ DOUT << "Broken in " << to_str (broken_info_.size ()) << " pieces";
#endif
}
void
Spanner::break_into_pieces ()
{
- if (broken_into_l_arr_.size())
+ if (broken_b ())
return;
Item * left = spanned_drul_[LEFT];
Item * right = spanned_drul_[RIGHT];
+ if (left == right)
+ {
+ warning (_ ("left spanpoint is right spanpoint\n"));
+ return;
+ }
- Link_array<Item> break_cols = pscore_l_->broken_col_range (left,right);
+ Link_array<Item> break_points = pscore_l_->broken_col_range (left,right);
Link_array<Spanner> broken_into_l_arr;
- break_cols.insert (left,0);
- break_cols.push (right);
+ break_points.insert (left,0);
+ break_points.push (right);
- for (int i=1; i < break_cols.size(); i++)
+ for (int i=1; i < break_points.size(); i++)
{
- Spanner* span_p = clone()->spanner ();
- left = break_cols[i-1];
- right = break_cols[i];
- if (!right->line_l())
- right = right->find_prebroken_piece(-1);
- if (!left->line_l())
- left = left->find_prebroken_piece(1);
-
- assert (left&&right && left->line_l() == right->line_l());
-
- span_p->set_bounds(LEFT,left);
- span_p->set_bounds(RIGHT,right);
-
- pscore_l_->typeset_broken_spanner (span_p);
- broken_into_l_arr.push (span_p);
+ Breaking_information info;
+ info.bounds_[LEFT] = break_points[i-1];
+ info.bounds_[RIGHT] = break_points[i];
+ Direction d = LEFT;
+ do
+ {
+ Item *&pc_l = info.bounds_[d] ;
+ if (!pc_l->line_l())
+ pc_l = pc_l->find_prebroken_piece(- d);
+
+ assert (pc_l);
+ if (!info.line_l_)
+ info.line_l_ = pc_l-> line_l ();
+ else
+ assert( info.line_l_ = pc_l->line_l ());
+
+ }
+ while ((flip(&d))!= LEFT);
+ info.broken_spanner_l_ = 0;
+ broken_info_.push (info);
}
-
- broken_into_l_arr_ = broken_into_l_arr;
}
void
do
{
if (!spanned_drul_[i]->line_l())
- set_bounds(i,spanned_drul_[i]->find_prebroken_piece(-i));
+ set_bounds(i,spanned_drul_[i]->find_prebroken_piece((Direction)-i));
}
- while ((i*=-1) != 1);
+ while (flip(&i) != 1);
}
-
void
Spanner::set_bounds(Direction d, Item*i)
{
-
- if (spanned_drul_[d])
- spanned_drul_[d]->attached_span_l_arr_.substitute(this,0);
-
spanned_drul_[d] =i;
if (i)
- i->attached_span_l_arr_.push(this);
-
- assert (!spanned_drul_[d] ||
- spanned_drul_[Direction(-d)] != spanned_drul_[d]);
+ {
+ i->used_b_ = true;
+ }
+ if (d== LEFT)
+ {
+ dim_cache_[X_AXIS]->parent_l_ = i->dim_cache_[X_AXIS];
+ }
+
+ if (spanned_drul_[Direction(-d)] == spanned_drul_[d]
+ && i)
+ warning (_f ("Spanner `%s\' with equal left and right spanpoints", classname (this)));
}
void
Spanner::do_break_processing()
{
if (!line_l())
- {
- break_into_pieces ();
- for (int i=0; i < broken_into_l_arr_.size(); i++)
- broken_into_l_arr_[i]->handle_broken_dependencies();
- }
+ break_into_pieces ();
else
- {
- handle_broken_dependencies();
- }
+ handle_broken_dependencies();
}
-
-Spanner::Spanner()
+Spanner::Spanner ()
{
spanned_drul_[LEFT]=0;
spanned_drul_[RIGHT]=0;
}
-void
-Spanner::do_brew_molecule ()
+Spanner::Spanner (Spanner const &s)
+ : Score_element (s)
{
- if (transparent_b_)
- return ;
- Molecule *output= brew_molecule_p ();
- Offset left_off (spanned_drul_[LEFT]->absolute_coordinate(X_AXIS), 0);
- Offset o = absolute_offset() + left_off;
- pscore_l_->outputter_l_->output_molecule (output, o);
+ spanned_drul_[LEFT] = spanned_drul_[RIGHT] =0;
}
+
Interval
Spanner::do_width() const
-{
+{
Real l = spanned_drul_[LEFT]->absolute_coordinate (X_AXIS);
Real r = spanned_drul_[RIGHT]->absolute_coordinate (X_AXIS);
- assert (r>=l);
+
+ if (r< l)
+ warning ("Spanner with negative length");
return Interval (0, r-l);
}
Spanner*
Spanner::find_broken_piece (Line_of_score*l) const
{
- for (int i=0; i < broken_into_l_arr_.size(); i++)
- if (broken_into_l_arr_[i]->line_l() == l)
- return broken_into_l_arr_[i];
+ for (int i=0; i < broken_info_.size (); i++)
+ {
+ Spanner *me =(Spanner*) this;
+ Breaking_information &info = me->broken_info_[i];
+ if (info.line_l_ == l)
+ {
+ if (!info.broken_spanner_l_)
+ {
+ Spanner *span_p = dynamic_cast<Spanner*>(clone ());
+ span_p->set_bounds(LEFT,info.bounds_[LEFT]);
+ span_p->set_bounds(RIGHT,info.bounds_[RIGHT]);
+ pscore_l_->typeset_element (span_p);
+
+ info.broken_spanner_l_ = span_p;
+ span_p->handle_broken_dependencies();
+
+ }
+ return info.broken_spanner_l_;
+ }
+ }
+
return 0;
-
}
bool
Spanner::broken_b() const
{
- return broken_into_l_arr_.size();
+ return broken_info_.size();
+}
+
+Array<Rod>
+Spanner::get_rods () const
+{
+ Array<Rod> r;
+ return r;
+}
+
+Array<Spring>
+Spanner::get_springs () const
+{
+ Array<Spring> s;
+ return s;
}
void
-Spanner::do_unlink()
+Spanner::do_space_processing ()
{
- if (spanned_drul_[LEFT])
+ Array<Rod> rs (get_rods ());
+ for (int i=0; i < rs.size (); i++)
{
- spanned_drul_[LEFT]->attached_span_l_arr_.substitute (this,0);
- spanned_drul_[LEFT] =0;
+ rs[i].add_to_cols ();
}
- if (spanned_drul_[RIGHT])
+
+ Array<Spring> ss (get_springs ());
+ for (int i=0; i < ss.size (); i++)
{
- spanned_drul_[RIGHT]->attached_span_l_arr_.substitute (this,0);
- spanned_drul_[RIGHT] = 0;
+ ss[i].add_to_cols ();
}
}
-
-void
-Spanner::do_junk_links()
-{
- spanned_drul_[LEFT] = spanned_drul_[RIGHT] =0;
-}