lily/skyline-pair.cc

   1 /*
   2   skyline-pair.cc -- implement Skyline_pair
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 2008--2009 Han-Wen Nienhuys <hanwen@lilypond.org>
   7
   8 */
   9
  10 #include "skyline-pair.hh"
  11
  12 #include "ly-smobs.icc"
  13
  14 Skyline_pair::Skyline_pair ()
  15   : skylines_ (Skyline (DOWN), Skyline (UP))
  16 {
  17 }
  18
  19 Skyline_pair::Skyline_pair (vector<Box> const &boxes, Real padding, Axis a)
  20   : skylines_ (Skyline (boxes, padding, a, DOWN), Skyline (boxes, padding, a, UP))
  21 {
  22 }
  23
  24 Skyline_pair::Skyline_pair (Box const &b, Real padding, Axis a)
  25   : skylines_ (Skyline (b, padding, a, DOWN), Skyline (b, padding, a, UP))
  26 {
  27 }
  28
  29 void
  30 Skyline_pair::raise (Real r)
  31 {
  32   skylines_[UP].raise (r);
  33   skylines_[DOWN].raise (r);
  34 }
  35
  36 void
  37 Skyline_pair::shift (Real r)
  38 {
  39   skylines_[UP].shift (r);
  40   skylines_[DOWN].shift (r);
  41 }
  42
  43 void
  44 Skyline_pair::insert (Box const &b, Real padding, Axis a)
  45 {
  46   skylines_[UP].insert (b, padding, a);
  47   skylines_[DOWN].insert (b, padding, a);
  48 }
  49
  50 void
  51 Skyline_pair::merge (Skyline_pair const &other)
  52 {
  53   skylines_[UP].merge (other[UP]);
  54   skylines_[DOWN].merge (other[DOWN]);
  55 }
  56
  57 void
  58 Skyline_pair::print () const
  59 {
  60   skylines_[UP].print ();
  61   skylines_[DOWN].print ();
  62 }
  63
  64 void
  65 Skyline_pair::print_points () const
  66 {
  67   skylines_[UP].print ();
  68   skylines_[DOWN].print ();
  69 }
  70
  71
  72 bool
  73 Skyline_pair::is_empty () const
  74 {
  75   return skylines_[UP].is_empty ()
  76     && skylines_[DOWN].is_empty ();
  77 }
  78
  79 Skyline&
  80 Skyline_pair::operator [] (Direction d)
  81 {
  82   return skylines_[d];
  83 }
  84
  85 Skyline const&
  86 Skyline_pair::operator [] (Direction d) const
  87 {
  88   return skylines_[d];
  89 }
  90
  91 IMPLEMENT_SIMPLE_SMOBS (Skyline_pair);
  92 IMPLEMENT_TYPE_P (Skyline_pair, "ly:skyline-pair?");
  93 IMPLEMENT_DEFAULT_EQUAL_P (Skyline_pair);
  94
  95 SCM
  96 Skyline_pair::mark_smob (SCM)
  97 {
  98   return SCM_EOL;
  99 }
 100
 101 int
 102 Skyline_pair::print_smob (SCM s, SCM port, scm_print_state *)
 103 {
 104   Skyline_pair *r = (Skyline_pair *) SCM_CELL_WORD_1 (s);
 105   (void) r;
 106
 107   scm_puts ("#<Skyline-pair>", port);
 108   return 1;
 109 }