2 staff-side.cc -- implement Staff_side
4 source file of the GNU LilyPond music typesetter
6 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
10 #include "paper-def.hh"
12 #include "staff-side.hh"
13 #include "staff-sym.hh"
17 Staff_side::Staff_side()
20 sym_int_ = Interval (0,0);
26 Staff_side::support_height() const
29 for (int i=0; i < support_l_arr_.size(); i++)
31 Axis_group_element *common =
32 common_group (support_l_arr_[i], Y_AXIS);
34 Real y = support_l_arr_[i]->relative_coordinate (common, Y_AXIS)
35 -relative_coordinate (common,Y_AXIS);
37 y_int.unite (y + support_l_arr_[i]->height());
43 y_int = Interval (0,0);
49 Staff_side::add_support (Score_elem*i)
51 support_l_arr_.push (i);
56 Staff_side::get_position_f () const
60 warning (_("Staff_side::get_position_f(): "
61 "somebody forgot to set my vertical direction, returning -20"));
67 Real inter_f = paper()-> internote_f ();
69 Interval v = support_height();
71 // ugh, dim[y] = PT over here
72 y = v[dir_] + 2 * dir_ * inter_f;
74 int y_i = (int)rint (y / inter_f);
75 // ugh: 5 -> staff_lines
76 if ((abs (y_i) < 5) && !(abs (y_i) % 2))
77 y += (Real)dir_ * inter_f;
83 Staff_side::symbol_height() const
85 return Interval (0,0);
89 Staff_side::do_post_processing()
91 sym_int_ = symbol_height();
92 y_ = get_position_f();
94 y_ += - sym_int_[-dir_];
98 Staff_side::do_substitute_dependency (Score_elem*o, Score_elem*n)
100 support_l_arr_.unordered_substitute (o,n);
104 IMPLEMENT_IS_TYPE_B1(Staff_side, Score_elem);