source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "dimen.hh"
#include "span-bar.hh"
#include "lookup.hh"
-#include "symbol.hh"
+#include "dimensions.hh"
#include "paper-def.hh"
#include "molecule.hh"
-#include "vertical-align-elem.hh"
+#include "align-element.hh"
+#include "warn.hh"
void
-Span_bar::add (Bar*b)
+Span_bar::add_bar (Score_element*b)
{
- b->spanned_i_ ++;
spanning_l_arr_.push (b);
add_dependency (b);
}
-
+void
+Span_bar::do_substitute_element_pointer (Score_element*o, Score_element*n)
+{
+ spanning_l_arr_.unordered_substitute (o, n);
+}
void
-Span_bar::do_substitute_dependency (Score_elem*o, Score_elem*n)
+Span_bar::set_align (Align_element *a)
{
- Bar * bold = 0;
- if (o->is_type_b (Bar::static_name()))
- bold = (Bar*)o->item();
- else
- return;
+ add_dependency (a);
+}
- bold->spanned_i_ --;
- Bar * b =0;
- if (n && n->is_type_b (Bar::static_name()))
+Interval
+Span_bar::do_width () const
+{
+ if (no_width_b_)
{
- b = (Bar*)n->item();
- b->spanned_i_ ++;
+ return Interval (0,0);
}
- spanning_l_arr_.substitute (bold , b);
+ Molecule m = lookup_l ()->bar (type_str_, 40 PT);
+
+ return m.extent (X_AXIS);
}
-
void
-Span_bar::set (Vertical_align_element *a)
+Span_bar::do_pre_processing ()
{
- add_dependency (a);
-}
+ Bar::do_pre_processing ();
+
+ evaluate_empty ();
+ translate_axis (extra_x_off_, X_AXIS);
+ dim_cache_[Y_AXIS].set_empty (false); // a hack to make mark scripts work.
+}
-Interval
-Span_bar::do_width() const
+void
+Span_bar::do_post_processing ()
{
- return paper()->lookup_l ()->bar (type_str_, 40 PT).dim.x (); // ugh
+ Bar::do_post_processing ();
}
+
void
-Span_bar::do_pre_processing()
-{
- if (spanning_l_arr_.size() < 1)
+Span_bar::evaluate_empty ()
+{
+ if (spanning_l_arr_.size () < 1)
{
transparent_b_ = true;
set_empty (true);
}
- else
+ if (type_str_.empty_b ())
{
- if (!type_str_)
- type_str_ = spanning_l_arr_[0]->type_str_;
- if (!type_str_)
- {
- transparent_b_=true;
- set_empty (true);
- }
- else if (type_str_ == "|:")
- {
- type_str_ = ".|";
- }
- else if (type_str_ == ":|")
- {
- type_str_ = "|.";
- }
+ transparent_b_=true;
+ set_empty (true);
+ }
+ else if (type_str_ == "|:")
+ {
+ type_str_ = ".|";
+ }
+ else if (type_str_ == ":|")
+ {
+ type_str_ = "|.";
+ }
+ else if (type_str_ == ":|:")
+ {
+ type_str_ = ".|.";
}
}
-Symbol
-Span_bar::get_bar_sym (Real dy) const
-{
- return paper()->lookup_l ()->bar (type_str_, dy);
-}
-
-
-Molecule*
-Span_bar::brew_molecule_p() const
+Interval
+Span_bar::get_spanned_interval () const
{
Interval y_int;
- for (int i=0; i < spanning_l_arr_.size(); i++)
+ for (int i=0; i < spanning_l_arr_.size (); i++)
{
- Axis_group_element *common =
+ Dimension_cache*common =
common_group (spanning_l_arr_[i], Y_AXIS);
- Real y = spanning_l_arr_[i]->relative_coordinate (common, Y_AXIS)
- -relative_coordinate (common,Y_AXIS);
+ Real y = spanning_l_arr_[i]->dim_cache_[Y_AXIS].relative_coordinate (common)
+ -dim_cache_[Y_AXIS].relative_coordinate (common);
- y_int.unite (y + spanning_l_arr_[i]->height());
+ y_int.unite (y + spanning_l_arr_[i]->extent(Y_AXIS));
}
+ return y_int;
+}
- Symbol s = get_bar_sym (y_int.length());
- Molecule*output = new Molecule (Atom (s));
- output->translate (y_int[-1], Y_AXIS);
+Interval
+Span_bar::do_height () const
+{
+ return get_spanned_interval ();
+}
+
+Molecule*
+Span_bar::do_brew_molecule_p () const
+{
+ Interval iv (get_spanned_interval ());
+ Molecule*output = new Molecule;
+ if (!iv.empty_b())
+ {
+ output->add_molecule (lookup_l ()->bar (type_str_, iv.length ()));
+ output->translate_axis (iv.center (), Y_AXIS);
+ }
+ else
+ {
+ warning("Huh? My children deflated (FIXME)");
+ }
return output;
}
-IMPLEMENT_IS_TYPE_B1(Span_bar,Bar);
-Span_bar::Span_bar()
+Span_bar::Span_bar ()
{
type_str_ = "";
+ extra_x_off_ = 0.0;
+ no_width_b_ = false;
}