#include "p-col.hh"
#include "p-score.hh"
-IMPLEMENT_STATIC_NAME(Spanner);
+
IMPLEMENT_IS_TYPE_B1(Spanner,Score_elem);
void
-Spanner::do_print()const
+Spanner::do_print() const
{
#ifndef NPRINT
- mtor << "Between col ";
-// huh? this does not work
-// mtor << ( left_col_l_ ? left_col_l_->rank_i() : "nop" );
- if ( left_col_l_ )
- mtor << left_col_l_->rank_i();
- else
- mtor << "nop";
- mtor << ", ";
-// mtor << ( right_col_l_ ? right_col_l_->rank_i() : "nop" );
- if ( right_col_l_ )
- mtor << right_col_l_->rank_i();
- else
- mtor << "nop";
- if (broken_into_l_arr_.size())
- mtor << "with broken pieces\n";
+ DOUT << "Between col ";
+ if (broken_into_l_arr_.size())
+ DOUT << "with broken pieces\n";
#endif
}
void
-Spanner::break_into_pieces()
+Spanner::break_into_pieces ()
{
- PCol * left = left_col_l_;
- PCol * right = right_col_l_;
- if(left->daddy_l_) left = left->daddy_l_;
- if(right->daddy_l_) right = right->daddy_l_;
-
-
- Link_array<PCol> break_cols = pscore_l_->broken_col_range(left,right);
- Link_array<Spanner> broken_into_l_arr;
-
- break_cols.insert(left,0);
- break_cols.push(right);
+ if (broken_into_l_arr_.size())
+ return;
+
+ Item * left = spanned_drul_[LEFT];
+ Item * right = spanned_drul_[RIGHT];
+
+
+ Link_array<Item> break_cols = pscore_l_->broken_col_range (left,right);
+ Link_array<Spanner> broken_into_l_arr;
+
+ break_cols.insert (left,0);
+ break_cols.push (right);
+
+ for (int i=1; i < break_cols.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);
+ }
+
+ broken_into_l_arr_ = broken_into_l_arr;
+}
- for (int i=1; i < break_cols.size(); i++) {
- Spanner* span_p = clone()->spanner();
- left = break_cols[i-1];
- right = break_cols[i];
- if (!right->line_l_)
- right = right->prebreak_p_;
- if (!left->line_l_)
- left = left->postbreak_p_;
+void
+Spanner::set_my_columns()
+{
+ Direction i = (Direction)1;
+ do
+ {
+ if (!spanned_drul_[i]->line_l())
+ set_bounds(i,spanned_drul_[i]->find_prebroken_piece(-i));
+ }
+ while ((i*=-1) != 1);
+}
- assert(left&&right && left->line_l_ == right->line_l_);
- span_p->left_col_l_ = left;
- span_p->right_col_l_ = right;
-
- pscore_l_->typeset_broken_spanner(span_p);
- broken_into_l_arr.push( span_p );
- }
+void
+Spanner::set_bounds(Direction d, Item*i)
+{
- broken_into_l_arr_ = broken_into_l_arr;
+ 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]);
+
}
void
Spanner::do_break_processing()
{
- if (!left_col_l_->line_l_)
- left_col_l_ = left_col_l_->postbreak_p_;
- if (!right_col_l_->line_l_)
- right_col_l_ = right_col_l_->prebreak_p_;
-
-
- 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();
- } else {
- handle_broken_dependencies();
+ 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();
+ }
+ else
+ {
+ handle_broken_dependencies();
}
}
Spanner::Spanner()
{
- left_col_l_ = right_col_l_ = 0;
+ spanned_drul_[LEFT]=0;
+ spanned_drul_[RIGHT]=0;
}
+String
+Spanner::do_TeX_output_str () const
+{
+ Offset left_off (spanned_drul_[LEFT]->absolute_coordinate(X_AXIS), 0);
+ return make_TeX_string (absolute_offset() + left_off);
+}
Interval
-Spanner::do_width()const
+Spanner::do_width() const
{
- Real r = right_col_l_->hpos_f_;
- Real l = left_col_l_->hpos_f_;
- assert(*left_col_l_ < *right_col_l_);
- assert(r>=l);
+ Real l = spanned_drul_[LEFT]->absolute_coordinate (X_AXIS);
+ Real r = spanned_drul_[RIGHT]->absolute_coordinate (X_AXIS);
+ assert (r>=l);
- return Interval(0, r-l);
+ return Interval (0, r-l);
}
Line_of_score *
-Spanner::line_l()const
+Spanner::line_l() const
{
- if ( left_col_l_->line_l_ != right_col_l_->line_l_)
- return 0;
- return left_col_l_->line_l_;
+ if (!spanned_drul_[LEFT] || !spanned_drul_[RIGHT])
+ return 0;
+ if (spanned_drul_[LEFT]->line_l() != spanned_drul_[RIGHT]->line_l())
+ return 0;
+ return spanned_drul_[LEFT]->line_l();
}
Spanner*
-Spanner::find_broken_piece(Line_of_score*l)const
+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];
- return 0;
+ 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];
+ return 0;
}
bool
-Spanner::broken_b()const
+Spanner::broken_b() const
+{
+ return broken_into_l_arr_.size();
+}
+
+void
+Spanner::do_unlink()
+{
+ if (spanned_drul_[LEFT])
+ {
+ spanned_drul_[LEFT]->attached_span_l_arr_.substitute (this,0);
+ spanned_drul_[LEFT] =0;
+ }
+ if (spanned_drul_[RIGHT])
+ {
+ spanned_drul_[RIGHT]->attached_span_l_arr_.substitute (this,0);
+ spanned_drul_[RIGHT] = 0;
+ }
+}
+
+void
+Spanner::do_junk_links()
{
- return broken_into_l_arr_.size();
+ spanned_drul_[LEFT] = spanned_drul_[RIGHT] =0;
}
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