lily/include/align-element.hh

   1 /*
   2   align-item.hh -- declare Align_elem
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9
  10 #ifndef VERTICAL_ALIGN_ITEM_HH
  11 #define VERTICAL_ALIGN_ITEM_HH
  12
  13 #include "axis-group-element.hh"
  14 #include "interval.hh"
  15 #include "direction.hh"
  16 #include "axes.hh"
  17 #include "hash-table.hh"
  18
  19 /**
  20   Order elements top to bottom/left to right/right to left etc..
  21
  22   TODO: implement padding.
  23
  24   document usage of this.
  25
  26
  27
  28   *******
  29
  30   element properties
  31
  32   stacking-dir
  33
  34   Which side to align?  -1: left side, 0: centered (around
  35      center_l_ if not nil, or around center of width), 1: right side
  36
  37   *****
  38
  39   align-dir: deprecate! Use Side_pos_interface::self_align
  40
  41
  42 */
  43 class Align_element : public virtual Axis_group_element {
  44 public:
  45   Interval threshold_interval_ ;
  46
  47   Axis axis () const;
  48
  49   Align_element ();
  50   void set_axis (Axis);
  51   int get_count (Score_element*)const;
  52 protected:
  53   virtual void do_post_processing() ;
  54   virtual void do_pre_processing ();
  55   virtual void do_side_processing ();
  56 };
  57 #endif // VERTICAL_ALIGN_ITEM_HH