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 "p-score.hh"
#include "debug.hh"
#include "item.hh"
#include "p-col.hh"
-#include "elem-group.hh"
+// #include "elem-group.hh"
#include "spanner.hh"
-Item::Item()
+Item::Item ()
{
+ unbroken_original_l_ =0;
break_priority_i_ = 0;
breakable_b_ = false;
- break_status_i_ = 0;
+ break_status_dir_ = CENTER;
broken_to_drul_[LEFT] = broken_to_drul_[RIGHT]=0;
}
-IMPLEMENT_IS_TYPE_B1(Item, Score_elem);
+IMPLEMENT_IS_TYPE_B1(Item, Score_element);
void
Item::do_print() const
{
#ifndef NPRINT
DOUT << "breakable_b_: " << breakable_b_ <<
- " break_status_i_: " <<break_status_i_;
+ " break_status_dir_: " << break_status_dir_;
#endif
}
Line_of_score *
Item::line_l() const
{
- return (axis_group_l_a_[X_AXIS])? axis_group_l_a_[X_AXIS]->line_l() : 0;
+ Graphical_axis_group *ga = axis_group_l_a_[X_AXIS];
+
+ if (!ga)
+ return 0;
+
+ assert (dynamic_cast <Score_element *> (ga));
+ return dynamic_cast <Score_element *> (ga)-> line_l ();
}
-int
-Item::break_status_i() const
+Direction
+Item::break_status_dir() const
{
- return break_status_i_;
+ return break_status_dir_;
}
void
Direction i=LEFT;
do
{
- Item * item_p = clone()->item ();
+ Item * item_p = dynamic_cast<Item*>(clone());
- item_p->break_status_i_ = i;
+ item_p->break_status_dir_ = i;
pscore_l_->typeset_element (item_p);
item_p->handle_prebroken_dependencies();
new_copies[i] =item_p;
}
- while ((i *= -1) != LEFT);
+ while (flip(&i) != LEFT);
broken_to_drul_= new_copies;
}
if (!breakable_b_)
return;
+ if (!column_l ()->breakable_b_)
+ return;
+
copy_breakable_items();
handle_prebroken_dependencies();
/*
Otherwise the broken items won't be pre_process()'ed.
- */
+ */
add_dependency (broken_to_drul_[LEFT]);
add_dependency (broken_to_drul_[RIGHT]);
-
}
Item*
}
Item*
-Item::find_prebroken_piece (int breakstatus) const
+Item::find_prebroken_piece (Direction breakstatus) const
{
if (!breakstatus)
return (Item *) this; // ugh
else
- return (Item*) broken_to_drul_[(Direction)breakstatus];
+ return (Item*) broken_to_drul_[breakstatus];
}
void
Item::handle_prebroken_dependencies()
{
if (breakable_b_)
- Score_elem::handle_prebroken_dependencies();
+ Score_element::handle_prebroken_dependencies();
}
int
Item::left_right_compare(Item const *l, Item const *r)
{
while (!l->is_type_b (Paper_column::static_name ()))
- l = l->axis_group_l_a_[X_AXIS]->item();
+ l = dynamic_cast<Item*> (l->axis_group_l_a_[X_AXIS]);
while (!r->is_type_b (Paper_column::static_name ()))
- r = r->axis_group_l_a_[X_AXIS]->item();
+ r = dynamic_cast<Item*> (r->axis_group_l_a_[X_AXIS]);
Paper_column *p1 = (Paper_column*)l;
Paper_column* p2 = (Paper_column*)r;
bool
Item::linked_b() const
{
- return Score_elem::linked_b() || attached_span_l_arr_.size();
+ return Score_element::linked_b() || attached_span_l_arr_.size();
}
void
void
Item::do_unlink()
{
- Link_array<Spanner> attached = attached_span_l_arr_;
-
- for (int i=0; i < attached_span_l_arr_.size (); i++) {
- Spanner *&s= attached_span_l_arr_[i];
- if (s->spanned_drul_[LEFT] == this)
- s->set_bounds (LEFT, 0);
- if (s->spanned_drul_[RIGHT] == this)
- s->set_bounds (RIGHT,0);
- s =0;
- }
- attached_span_l_arr_.set_size (0);
+ Link_array<Spanner> attached=attached_span_l_arr_;
+ for (int i=0; i < attached.size (); i++)
+ {
+ Spanner *s= attached[i];
+
+ Direction d= LEFT;
+ do {
+ if (s->spanned_drul_[d] == this)
+ s->set_bounds (d, 0);
+ if (unbroken_original_l_
+ && unbroken_original_l_-> broken_to_drul_[d] == this)
+ unbroken_original_l_->broken_to_drul_[d] = 0;
+ } while (flip (&d) != LEFT);
+ }
+ assert (!attached_span_l_arr_.size ());
+ unbroken_original_l_ =0;
+}
+
+Paper_column *
+Item::column_l () const
+{
+ return dynamic_cast<Item*> (axis_group_l_a_[X_AXIS]) ->column_l ();
+}
+
+Item::Item (Item const &s)
+ : Score_element (s)
+{
+ unbroken_original_l_ = &s;
+ /* do not copy attached_span_l_arr_ */
+ breakable_b_ = s.breakable_b_;
+ broken_to_drul_[LEFT] = broken_to_drul_[RIGHT] =0;
+ break_status_dir_ = s.break_status_dir_;
+ break_priority_i_ = s.break_priority_i_;
+}
+
+Item *
+Item::access_Item ()
+{
+ return this;
}