lily/dimension-cache.cc

   1 /*
   2   dimension-cache.cc -- implement Dimension_cache
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1998--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
   7 */
   8
   9
  10 #include "dimension-cache.hh"
  11
  12 #include "warn.hh"
  13 #include "grob.hh"
  14
  15 Dimension_cache::Dimension_cache (Dimension_cache const &d)
  16 {
  17   init ();
  18   offset_ = d.offset_ ? new Real (*d.offset_) : 0;
  19   parent_ = d.parent_;
  20   extent_ = d.extent_ ? new Interval (*d.extent_) : 0;
  21 }
  22
  23 Dimension_cache::Dimension_cache ()
  24 {
  25   init ();
  26 }
  27
  28 void
  29 Dimension_cache::init ()
  30 {
  31   offset_ = 0;
  32   extent_ = 0;
  33   parent_ = 0;
  34 }
  35
  36 Dimension_cache::~Dimension_cache ()
  37 {
  38   clear ();
  39 }
  40
  41 void
  42 Dimension_cache::clear ()
  43 {
  44   delete extent_;
  45   delete offset_;
  46   extent_ = 0;
  47   offset_ = 0;
  48 }