/*
staff-side.cc -- implement Staff_side
- source file of the LilyPond music typesetter
+ 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 "interval.hh"
+#include "paper-def.hh"
+#include "dimension.hh"
#include "staff-side.hh"
#include "staff-sym.hh"
+#include "debug.hh"
+
+
+Staff_side::Staff_side()
+{
+ coordinate_offset_f_=0;
+ sym_int_ = Interval (0,0);
+ padding_f_ = 0.0;
+ dir_ = CENTER;
+ axis_ = Y_AXIS;
+}
+
+
+Interval
+Staff_side::support_extent() const
+{
+ Interval y_int;
+ for (int i=0; i < support_l_arr_.size(); i++)
+ {
+ Graphical_axis_group *common =
+ common_group (support_l_arr_[i], axis_);
+
+ Real y = support_l_arr_[i]->relative_coordinate (common, axis_)
+ -relative_coordinate (common,axis_);
+
+ y_int.unite (y + support_l_arr_[i]->extent(axis_));
+ }
+
+ if (y_int.empty_b())
+ {
+ y_int = Interval (0,0);
+ }
+ return Interval(y_int[LEFT] - padding_f_, y_int[RIGHT] + padding_f_);
+}
void
-Staff_side::set_staffsym(Staff_symbol* s_l)
+Staff_side::add_support (Score_element*i)
{
- staff_sym_l_ = s_l;
+ support_l_arr_.push (i);
+ add_dependency (i);
}
-Staff_side::Staff_side(Staff_elem * elem_l)
+Real
+Staff_side::get_position_f () const
{
- elem_l_ = elem_l;
- dir_i_ =0;
- staff_sym_l_ =0;
- inside_staff_b_ =false;
+ if (!dir_)
+ {
+ warning (_ ("Staff_side::get_position_f(): "
+ "somebody forgot to set my direction, returning -20"));
+ return -20;
+ }
+
+
+ Real y = 0;
+ Real inter_f = paper()-> internote_f ();
+
+ Interval v = support_extent();
+
+ // ugh, dim[y] = PT over here
+ y = v[dir_] + 1 * dir_ * inter_f;
+
+ int coordinate_offset_f_i = (int)rint (y / inter_f);
+ // ugh: 5 -> staff_lines
+ if (axis_ == Y_AXIS && abs (coordinate_offset_f_i) < 5)
+ {
+ if (!(abs (coordinate_offset_f_i) % 2))
+ y += (Real)dir_ * inter_f;
+ }
+// else
+// y = v[dir_] + 1 * dir_ * inter_f;
+
+ return y;
}
+Interval
+Staff_side::symbol_height() const
+{
+ return Interval (0,0);
+}
Interval
-Staff_side::support_height() const return r;
+Staff_side::symbol_width () const
{
- for (int i=0; i < support_l_arr_.size(); i++)
- r.unite(support_l_arr_[i]->height());
+ return Interval (0,0);
}
void
-Staff_side::add_support(Staff_elem*i)
+Staff_side::do_pre_processing ()
{
- support_l_arr_.push(i);
- elem_l_->add_dependency(i);
+ if (axis_== X_AXIS)
+ do_side_processing ();
}
-int
-Staff_side::get_position_i()const
+void
+Staff_side::do_side_processing ()
{
- if (!staff_sym_l_)
- return 0;
-
- Real inter_f = staff_sym_l_->inter_note_f();
- int staff_size_i = staff_sym_l_->steps_i();
- Real y=0;
- if (!inside_staff_b_) {
- y = (dir_i_ > 0) ? staff_size_i + 2: -2;
- y *=inter_f;
- Interval v= support_height();
-
- if (dir_i_ > 0) {
- y = y >? (v.max() + 2*inter_f);
- } else if (dir_i_ < 0) {
- y = y <? (v.min() - 2*inter_f);
- }
- } else {
- Interval v= support_height();
- y = v[dir_i_] + 2*dir_i_*inter_f; // ugh
- }
- return int(rint(Real(y)/inter_f));
+ sym_int_ = symbol_extent();
+ coordinate_offset_f_ = get_position_f();
+ if (dir_)
+ coordinate_offset_f_ += - sym_int_[-dir_];
+
}
+
+/*
+ ugh should use do_width (), do_height (), get_extent ()
+ */
+Interval
+Staff_side::symbol_extent () const
+{
+ if (axis_ == Y_AXIS)
+ return symbol_height ();
+ else
+ return symbol_width ();
+}
+
+
+void
+Staff_side::do_post_processing()
+{
+ if (axis_ == Y_AXIS)
+ do_side_processing ();
+}
+
+void
+Staff_side::do_substitute_dependency (Score_element*o, Score_element*n)
+{
+ support_l_arr_.unordered_substitute (o,n);
+}
+
+
+IMPLEMENT_IS_TYPE_B1(Staff_side, Score_element);