2 axis-group-element.cc -- implement Axis_group_element
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "axis-group-element.hh"
10 #include "dimension-cache.hh"
11 #include "group-interface.hh"
13 Link_array<Score_element>
14 Axis_group_element::get_extra_dependencies() const
16 Link_array<Score_element> e(elem_l_arr ());
20 Link_array<Score_element>
21 Axis_group_element::elem_l_arr () const
24 Group_interface__extract_elements (this, (Score_element*)0, "elements");
27 Link_array<Score_element>
28 Axis_group_element::get_children ()
30 Link_array<Score_element> childs;
31 Link_array<Score_element> elems = elem_l_arr ();
33 for (int i=0; i < elems.size (); i++)
35 Score_element* e = elems[i];
37 Axis_group_element * axis_group= dynamic_cast <Axis_group_element *> (e);
39 childs.concat (axis_group->get_children ());
45 Axis_group_element::Axis_group_element()
50 set_elt_property ("elements", SCM_EOL);
51 set_elt_property ("transparent", SCM_BOOL_T);
55 Axis_group_element::set_axes (Axis a1, Axis a2)
59 if (a1 != X_AXIS && a2 != X_AXIS)
61 if (a1 != Y_AXIS && a2 != Y_AXIS)
64 dim_cache_[a1]->set_callback(extent_callback);
65 dim_cache_[a2]->set_callback (extent_callback);
69 Axis_group_element::extent_callback (Dimension_cache const *c)
72 Axis_group_element * me
73 = dynamic_cast<Axis_group_element*> (c->element_l ());
76 for (SCM s = me->get_elt_property ("elements"); gh_pair_p (s); s = gh_cdr (s))
79 Score_element * se = SMOB_TO_TYPE (Score_element, e);
81 Interval dims = se->extent (a);
83 r.unite (dims + se->relative_coordinate (me, a));
92 Axis_group_element::add_element (Score_element *e)
97 for (int i = 0; i < 2; i++)
99 if (!e->parent_l (axes_[i]))
100 e->set_parent (this, axes_[i]);
102 Group_interface gi (this);