2 dot-column.cc -- implement Dot_column
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #include "dot-column.hh"
11 #include "rhythmic-head.hh"
12 #include "group-interface.hh"
13 #include "staff-symbol-referencer.hh"
14 #include "directional-element-interface.hh"
15 #include "side-position-interface.hh"
16 #include "axis-group-interface.hh"
19 // todo: dots and elements duplicate each other.
21 Dot_column::add_dots (Dots *d)
23 Pointer_group_interface gi (this, "dots");
27 Axis_group_interface (this).add_element (d);
31 Dot_column::add_head (Rhythmic_head *r)
36 Side_position_interface (this).add_support (r);
37 add_dots (r->dots_l ());
42 Dot_column::compare (Dots * const &d1, Dots * const &d2)
44 Staff_symbol_referencer_interface s1(d1);
45 Staff_symbol_referencer_interface s2(d2);
47 return int (s1.position_f () - s2.position_f ());
51 Dot_column::Dot_column (SCM s)
54 Pointer_group_interface gi (this, "dots");
56 directional_element (this).set (RIGHT);
58 Axis_group_interface (this).set_interface ();
59 Axis_group_interface (this).set_axes(X_AXIS,X_AXIS);
63 Will fuck up in this case.
78 Dot_column::after_line_breaking ()
80 Link_array<Dots> dots = Pointer_group_interface__extract_elements (this, (Dots*)0 , "dots");
81 dots.sort (Dot_column::compare);
88 Array<int> taken_posns;
90 for (int i=0; i < dots.size (); i++)
92 Real p = Staff_symbol_referencer_interface (dots[i]).position_f ();
93 for (int j=0; j < taken_posns.size (); j++)
95 if (taken_posns[j] == (int) p)
98 taken_posns.push ((int)p);
99 s.unite (Slice ((int)p,
106 int middle = s.center ();
110 int pos = middle - dots.size () + 1;
112 pos ++; // center () rounds down.
114 for (int i=0; i <dots.size (); pos += 2, i++)
116 staff_symbol_referencer (dots[i]).set_position(pos);