2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2000--2012 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 #ifndef AXIS_GROUP_INTERFACE_HH
21 #define AXIS_GROUP_INTERFACE_HH
23 #include "std-vector.hh"
24 #include "lily-proto.hh"
25 #include "grob-interface.hh"
28 struct Axis_group_interface
30 static SCM generic_group_extent (Grob *me, Axis a);
31 static Interval generic_bound_extent (Grob *me, Grob *common, Axis a);
32 static Interval pure_group_height (Grob *me, int start, int end);
33 DECLARE_SCHEME_CALLBACK (width, (SCM smob));
34 DECLARE_SCHEME_CALLBACK (calc_x_common, (SCM smob));
35 DECLARE_SCHEME_CALLBACK (calc_y_common, (SCM smob));
36 DECLARE_SCHEME_CALLBACK (height, (SCM smob));
37 DECLARE_SCHEME_CALLBACK (pure_height, (SCM smob, SCM start, SCM end));
38 DECLARE_SCHEME_CALLBACK (calc_skylines, (SCM smob));
39 DECLARE_SCHEME_CALLBACK (combine_skylines, (SCM smob));
40 DECLARE_SCHEME_CALLBACK (print, (SCM smob));
41 DECLARE_SCHEME_CALLBACK (adjacent_pure_heights, (SCM));
42 DECLARE_SCHEME_CALLBACK (calc_staff_staff_spacing, (SCM));
43 DECLARE_SCHEME_CALLBACK (calc_pure_staff_staff_spacing, (SCM, SCM, SCM));
44 DECLARE_SCHEME_CALLBACK (calc_pure_relevant_grobs, (SCM));
45 DECLARE_SCHEME_CALLBACK (calc_pure_relevant_items, (SCM));
46 DECLARE_SCHEME_CALLBACK (calc_pure_relevant_spanners, (SCM));
47 DECLARE_SCHEME_CALLBACK (calc_pure_y_common, (SCM));
48 static SCM internal_calc_pure_relevant_grobs (Grob *, string);
49 static Interval relative_group_extent (vector<Grob *> const &list,
51 static Interval relative_maybe_bound_group_extent (vector<Grob *> const &list,
52 Grob *common, Axis, bool);
53 static Interval relative_pure_height (Grob *me, int start, int end);
54 static Interval combine_pure_heights (Grob *me, SCM, int, int);
55 static Interval sum_partial_pure_heights (Grob *me, int, int);
56 static Interval begin_of_line_pure_height (Grob *me, int);
57 static Interval rest_of_line_pure_height (Grob *me, int, int);
58 static Interval part_of_line_pure_height (Grob *me, bool begin, int, int);
60 static bool has_outside_staff_parent (Grob *me);
61 static Skyline_pair skyline_spacing (Grob *me, vector<Grob *> elements);
62 static void add_element (Grob *me, Grob *);
63 static void set_axes (Grob *, Axis, Axis);
64 static bool has_axis (Grob *, Axis);
65 static void get_children (Grob *, vector<Grob *> *);
66 static Interval staff_extent (Grob *me, Grob *ref, Axis, Grob *staff, Axis);
67 static SCM calc_common (Grob *, Axis);
68 static Real minimum_distance (Grob *, Grob *, Axis);
69 static SCM calc_maybe_pure_staff_staff_spacing (Grob *, bool, int, int);
70 DECLARE_GROB_INTERFACE ();
73 #endif /* AXIS_GROUP_INTERFACE_HH */