2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2005--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 #include "engraver.hh"
22 #include "grid-line-interface.hh"
24 class Grid_line_span_engraver
: public Engraver
30 TRANSLATOR_DECLARATIONS (Grid_line_span_engraver
);
32 DECLARE_ACKNOWLEDGER (grid_point
);
33 void stop_translation_timestep ();
36 Grid_line_span_engraver::Grid_line_span_engraver ()
42 Grid_line_span_engraver::acknowledge_grid_point (Grob_info i
)
44 int depth
= i
.origin_contexts (this).size ();
47 Item
*it
= dynamic_cast<Item
*> (i
.grob ());
48 lines_
.push_back (it
);
50 if (lines_
.size () >= 2 && !spanline_
)
52 spanline_
= make_item ("GridLine", SCM_EOL
);
53 spanline_
->set_parent (lines_
[0], X_AXIS
);
59 Grid_line_span_engraver::stop_translation_timestep ()
63 for (vsize i
= 0; i
< lines_
.size (); i
++)
64 Grid_line_interface::add_grid_point (spanline_
, lines_
[i
]);
71 #include "translator.icc"
72 ADD_ACKNOWLEDGER (Grid_line_span_engraver
, grid_point
);
73 ADD_TRANSLATOR (Grid_line_span_engraver
,
75 "This engraver makes cross-staff lines: It catches all normal"
76 " lines and draws a single span line across them.",