source file of the GNU LilyPond music typesetter
- (c) 1996,1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1996, 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "debug.hh"
#include "spanner.hh"
#include "p-col.hh"
#include "p-score.hh"
+#include "tex-outputter.hh"
+#include "molecule.hh"
-
-IMPLEMENT_IS_TYPE_B1(Spanner,Score_elem);
+IMPLEMENT_IS_TYPE_B1(Spanner,Score_element);
void
-Spanner::do_print()const
+Spanner::do_print() const
{
#ifndef NPRINT
- DOUT << "Between col ";
- if ( left_col_l_)
- DOUT << left_col_l_->rank_i();
- else
- DOUT << "nop";
- DOUT << ", ";
- if ( right_col_l_)
- DOUT << right_col_l_->rank_i();
- else
- DOUT << "nop";
+ DOUT << "Between " << spanned_drul_[LEFT]->name ()
+ << " and " << spanned_drul_[RIGHT]->name() << '\n';
if (broken_into_l_arr_.size())
- DOUT << "with broken pieces\n";
+ {
+ DOUT << "with broken pieces:\n";
+ for (int i=0; i < broken_into_l_arr_.size (); i++)
+ broken_into_l_arr_[i]->print ();
+ }
#endif
}
void
-Spanner::break_into_pieces (bool copy_deps_b)
+Spanner::break_into_pieces ()
{
- if ( broken_into_l_arr_.size())
- return;
+ if (broken_into_l_arr_.size())
+ return;
- 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_;
+ Item * left = spanned_drul_[LEFT];
+ Item * right = spanned_drul_[RIGHT];
+ if (left == right)
+ {
+ warning (_ ("left spanpoint is right spanpoint\n"));
+ return;
+ }
- Link_array<PCol> break_cols = pscore_l_->broken_col_range (left,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);
for (int i=1; i < break_cols.size(); i++)
{
- Spanner* span_p = clone()->spanner ();
- if (copy_deps_b)
- span_p->copy_dependencies (*this);
- 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_;
-
- assert (left&&right && left->line_l_ == right->line_l_);
-
- span_p->left_col_l_ = left;
- span_p->right_col_l_ = right;
+ Spanner* span_p = clone()->access_Spanner ();
+ Item *left = break_cols[i-1];
+ Item *right = break_cols[i];
+ if (!right->line_l())
+ right = right->find_prebroken_piece(LEFT);
+ if (!left->line_l())
+ left = left->find_prebroken_piece(RIGHT);
+
+ 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);
+ pscore_l_->typeset_broken_spanner (span_p);
+ broken_into_l_arr.push (span_p);
}
broken_into_l_arr_ = broken_into_l_arr;
void
Spanner::set_my_columns()
{
- 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_;
+ Direction i = (Direction)1;
+ do
+ {
+ if (!spanned_drul_[i]->line_l())
+ set_bounds(i,spanned_drul_[i]->find_prebroken_piece((Direction)-i));
+ }
+ while (flip(&i) != 1);
}
+
void
-Spanner::do_break_processing()
+Spanner::set_bounds(Direction d, Item*i)
{
- set_my_columns();
+ if (spanned_drul_[d])
+ spanned_drul_[d]->attached_span_l_arr_.substitute(this,0);
- if (!line_l())
+ spanned_drul_[d] =i;
+ if (i)
+ i->attached_span_l_arr_.push(this);
+
+ if (spanned_drul_[Direction(-d)] == spanned_drul_[d]
+ && i)
+ warning (_f ("Spanner `%s\' with equal left and right spanpoints", name ()));
+}
+
+void
+Spanner::do_break_processing()
+{
+ if (!line_l())
{
- break_into_pieces (true);
- for (int i=0; i < broken_into_l_arr_.size(); i++)
- broken_into_l_arr_[i]->handle_broken_dependencies();
+ 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();
+ handle_broken_dependencies();
}
}
+Spanner*
+Spanner::access_Spanner ()
+{
+ return this;
+}
-Spanner::Spanner()
+Spanner::Spanner ()
{
- left_col_l_ = right_col_l_ = 0;
+ unbroken_original_l_ =0;
+ spanned_drul_[LEFT]=0;
+ spanned_drul_[RIGHT]=0;
}
+Spanner::Spanner (Spanner const &s)
+ :Score_element (s)
+{
+ spanned_drul_[LEFT] = spanned_drul_[RIGHT] =0;
+ unbroken_original_l_ = &s;
+}
+
+void
+Spanner::do_brew_molecule ()
+{
+ 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, name ());
+ delete output;
+}
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_);
+ 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);
}
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];
+ 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()
+{
+ set_bounds (LEFT, 0);
+ set_bounds (RIGHT, 0);
+
+ if (unbroken_original_l_)
+ {
+ unbroken_original_l_->broken_into_l_arr_.substitute (this, 0);
+ unbroken_original_l_ =0;
+ }
+}
+
+void
+Spanner::do_junk_links()
+{
+ spanned_drul_[LEFT] = spanned_drul_[RIGHT] =0;
+}
+
+Array<Rod>
+Spanner::get_rods () const
+{
+ Array<Rod> r;
+ return r;
+}
+
+void
+Spanner::do_space_processing ()
+{
+ Array<Rod> rs (get_rods ());
+ for (int i=0; i < rs.size (); i++)
+ {
+ rs[i].add_to_cols ();
+ }
+}
projects / lilypond.git / blobdiff