lily/skyline-pair.cc

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 2008--2010 Han-Wen Nienhuys <hanwen@lilypond.org>
   5
   6
   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.
  11
  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.
  16
  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/>.
  19 */
  20
  21 #include "skyline-pair.hh"
  22
  23 #include "ly-smobs.icc"
  24
  25 Skyline_pair::Skyline_pair ()
  26   : skylines_ (Skyline (DOWN), Skyline (UP))
  27 {
  28 }
  29
  30 Skyline_pair::Skyline_pair (vector<Box> const &boxes, Real padding, Axis a)
  31   : skylines_ (Skyline (boxes, padding, a, DOWN), Skyline (boxes, padding, a, UP))
  32 {
  33 }
  34
  35 Skyline_pair::Skyline_pair (Box const &b, Real padding, Axis a)
  36   : skylines_ (Skyline (b, padding, a, DOWN), Skyline (b, padding, a, UP))
  37 {
  38 }
  39
  40 void
  41 Skyline_pair::raise (Real r)
  42 {
  43   skylines_[UP].raise (r);
  44   skylines_[DOWN].raise (r);
  45 }
  46
  47 void
  48 Skyline_pair::shift (Real r)
  49 {
  50   skylines_[UP].shift (r);
  51   skylines_[DOWN].shift (r);
  52 }
  53
  54 void
  55 Skyline_pair::insert (Box const &b, Real padding, Axis a)
  56 {
  57   skylines_[UP].insert (b, padding, a);
  58   skylines_[DOWN].insert (b, padding, a);
  59 }
  60
  61 void
  62 Skyline_pair::merge (Skyline_pair const &other)
  63 {
  64   skylines_[UP].merge (other[UP]);
  65   skylines_[DOWN].merge (other[DOWN]);
  66 }
  67
  68 void
  69 Skyline_pair::print () const
  70 {
  71   skylines_[UP].print ();
  72   skylines_[DOWN].print ();
  73 }
  74
  75 void
  76 Skyline_pair::print_points () const
  77 {
  78   skylines_[UP].print ();
  79   skylines_[DOWN].print ();
  80 }
  81
  82
  83 bool
  84 Skyline_pair::is_empty () const
  85 {
  86   return skylines_[UP].is_empty ()
  87     && skylines_[DOWN].is_empty ();
  88 }
  89
  90 Skyline&
  91 Skyline_pair::operator [] (Direction d)
  92 {
  93   return skylines_[d];
  94 }
  95
  96 Skyline const&
  97 Skyline_pair::operator [] (Direction d) const
  98 {
  99   return skylines_[d];
 100 }
 101
 102 IMPLEMENT_SIMPLE_SMOBS (Skyline_pair);
 103 IMPLEMENT_TYPE_P (Skyline_pair, "ly:skyline-pair?");
 104 IMPLEMENT_DEFAULT_EQUAL_P (Skyline_pair);
 105
 106 SCM
 107 Skyline_pair::mark_smob (SCM)
 108 {
 109   return SCM_EOL;
 110 }
 111
 112 int
 113 Skyline_pair::print_smob (SCM s, SCM port, scm_print_state *)
 114 {
 115   Skyline_pair *r = (Skyline_pair *) SCM_CELL_WORD_1 (s);
 116   (void) r;
 117
 118   scm_puts ("#<Skyline-pair>", port);
 119   return 1;
 120 }