2 graphical-element.cc -- implement Graphical_element
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "dimension-cache.hh"
10 #include "graphical-element.hh"
11 #include "graphical-axis-group.hh"
14 Graphical_element::Graphical_element ()
16 dim_cache_[X_AXIS] = new Dimension_cache;
17 dim_cache_[Y_AXIS] = new Dimension_cache;
22 Graphical_element::Graphical_element (Graphical_element const &s)
24 dim_cache_[X_AXIS] = new Dimension_cache (*s.dim_cache_[X_AXIS]);
25 dim_cache_[Y_AXIS] = new Dimension_cache (*s.dim_cache_[Y_AXIS]);
32 Graphical_element::init ()
34 dim_cache_[X_AXIS]->elt_l_ = dim_cache_[Y_AXIS]->elt_l_ = this;
38 Graphical_element::absolute_coordinate (Axis a) const
40 return dim_cache_[a]->absolute_coordinate ();
44 Graphical_element::translate_axis (Real y, Axis a)
46 dim_cache_[a]->translate (y);
50 Graphical_element::relative_coordinate (Dimension_cache*e, Axis a) const
52 return dim_cache_[a]->relative_coordinate (e);
56 Graphical_element::common_group (Graphical_element const* s, Axis a) const
58 return dim_cache_[a]->common_group (s->dim_cache_[a]);
62 Graphical_element::translate (Offset offset)
64 translate_axis (offset[Y_AXIS], Y_AXIS);
65 translate_axis (offset[X_AXIS], X_AXIS);
70 Graphical_element::set_empty (bool b)
72 dim_cache_[X_AXIS]->set_empty (b);
73 dim_cache_[Y_AXIS]->set_empty (b);
77 Graphical_element::extent (Axis a) const
79 Dimension_cache const * d = dim_cache_[a];
89 Graphical_element::do_print () const
99 Graphical_element::invalidate_cache (Axis a)
101 dim_cache_[a]->invalidate ();
105 Graphical_element::parent_l (Axis a) const
107 Dimension_cache*d= dim_cache_[a]->parent_l_;
108 return d ? d->elt_l_ : 0;
111 Graphical_element::~Graphical_element ()
113 delete dim_cache_[X_AXIS];
114 delete dim_cache_[Y_AXIS];
118 Graphical_element::common_group (Link_array<Graphical_element> gs, Axis a) const
120 Dimension_cache * common = dim_cache_[a];
121 for (int i=0; i < gs.size (); i++)
123 common = common->common_group (gs[i]->dim_cache_[a]);
130 Graphical_element::name () const
132 return classname (this);
136 Graphical_element::print () const
139 DOUT << classname (this) << "{\n";