2 g-staff-side.cc -- implement G_staff_side_item
4 source file of the GNU LilyPond music typesetter
6 (c) 1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #include "g-staff-side.hh"
12 G_staff_side_item::G_staff_side_item ()
16 transparent_b_ = true;
22 G_staff_side_item::do_pre_processing ()
25 set_default_direction ();
32 G_staff_side_item::set_default_direction ()
39 G_staff_side_item::set_victim (Score_element *e)
43 to_position_l_->dim_cache_[Y_AXIS].parent_l_ = &dim_cache_[Y_AXIS];
47 G_staff_side_item::add_support (Score_element*e)
50 support_l_arr_.push (e);
55 G_staff_side_item::do_substitute_dependency (Score_element*o, Score_element*n)
57 if (o == to_position_l_)
60 support_l_arr_.unordered_substitute (o,n);
64 G_staff_side_item::position_self ()
66 if (!support_l_arr_.size ())
69 Dimension_cache *common = common_group (typecast_array (support_l_arr_, (Graphical_element*)0),
73 for (int i=0; i < support_l_arr_.size (); i++)
75 Score_element * e = support_l_arr_ [i];
76 Real coord = e->relative_coordinate (common, axis_);
77 dim.unite (coord + e->extent (axis_));
80 Interval sym_dim = to_position_l_->extent (axis_);
81 Real off = dim_cache_[axis_].relative_coordinate (common) - padding_f_ * dir_;
83 dim_cache_[axis_].set_offset (dim[dir_] - sym_dim[-dir_] - off);
87 G_staff_side_item::do_post_processing ()