2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2008--2014 Han-Wen Nienhuys <hanwen@lilypond.org>
7 LilyPond is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 LilyPond is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
21 #include "skyline-pair.hh"
23 #include "international.hh"
24 #include "ly-smobs.icc"
26 Skyline_pair::Skyline_pair ()
27 : skylines_ (Skyline (DOWN), Skyline (UP))
31 Skyline_pair::Skyline_pair (vector<Box> const &boxes, Axis a)
32 : skylines_ (Skyline (boxes, a, DOWN), Skyline (boxes, a, UP))
36 Skyline_pair::Skyline_pair (vector<Drul_array<Offset> > const &buildings, Axis a)
37 : skylines_ (Skyline (buildings, a, DOWN), Skyline (buildings, a, UP))
41 Skyline_pair::Skyline_pair (vector<Skyline_pair> const &skypairs)
42 : skylines_ (Skyline (skypairs, DOWN), Skyline (skypairs, UP))
46 Skyline_pair::Skyline_pair (Box const &b, Axis a)
47 : skylines_ (Skyline (b, a, DOWN), Skyline (b, a, UP))
52 Skyline_pair::raise (Real r)
54 skylines_[UP].raise (r);
55 skylines_[DOWN].raise (r);
59 Skyline_pair::deholify ()
61 skylines_[UP].deholify ();
62 skylines_[DOWN].deholify ();
66 Skyline_pair::shift (Real r)
68 skylines_[UP].shift (r);
69 skylines_[DOWN].shift (r);
73 Skyline_pair::insert (Box const &b, Axis a)
75 skylines_[UP].insert (b, a);
76 skylines_[DOWN].insert (b, a);
80 Skyline_pair::merge (Skyline_pair const &other)
82 skylines_[UP].merge (other[UP]);
83 skylines_[DOWN].merge (other[DOWN]);
87 Skyline_pair::print () const
89 skylines_[UP].print ();
90 skylines_[DOWN].print ();
94 Skyline_pair::left () const
96 return min (skylines_[UP].left (), skylines_[DOWN].left ());
100 Skyline_pair::right () const
102 return max (skylines_[UP].right (), skylines_[DOWN].right ());
106 Skyline_pair::print_points () const
108 skylines_[UP].print_points ();
109 skylines_[DOWN].print_points ();
113 Skyline_pair::is_empty () const
115 return skylines_[UP].is_empty ()
116 && skylines_[DOWN].is_empty ();
120 Skyline_pair::operator [] (Direction d)
126 Skyline_pair::operator [] (Direction d) const
131 IMPLEMENT_SIMPLE_SMOBS (Skyline_pair);
132 IMPLEMENT_TYPE_P (Skyline_pair, "ly:skyline-pair?");
133 IMPLEMENT_DEFAULT_EQUAL_P (Skyline_pair);
136 Skyline_pair::mark_smob (SCM)
142 Skyline_pair::print_smob (SCM s, SCM port, scm_print_state *)
144 Skyline_pair *r = (Skyline_pair *) SCM_CELL_WORD_1 (s);
147 scm_puts ("#<Skyline-pair>", port);
151 MAKE_SCHEME_CALLBACK (Skyline_pair, skyline, 2);
153 Skyline_pair::skyline (SCM smob, SCM dir_scm)
155 Skyline_pair *sp = Skyline_pair::unsmob (smob);
156 Direction dir = robust_scm2dir (dir_scm, UP);
160 warning (_f ("direction must not be CENTER in ly:skyline-pair::skyline"));
164 return (*sp)[dir].smobbed_copy ();