bar-line interface part 2/2: New bar line definition standard

lily/volta-bracket.cc

 /*
   This file is part of LilyPond, the GNU music typesetter.
 
   Copyright (C) 1997--2012 Jan Nieuwenhuizen <janneke@gnu.org>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
 
@@ skipping 34 matching lines @@
 MAKE_SCHEME_CALLBACK (Volta_bracket_interface, print, 1);
 SCM
 Volta_bracket_interface::print (SCM smob)
 {
   Spanner *me = unsmob_spanner (smob);
   Spanner *orig_span = dynamic_cast<Spanner *> (me->original ());
   bool broken_first_bracket = orig_span && (orig_span->broken_intos_[0]
                                             == (Spanner *)me);
 
   Output_def *layout = me->layout ();
-  //Real half_space = 0.5;
 
   Item *bound = dynamic_cast<Spanner *> (me)->get_bound (LEFT);
 
   /*
     If the volta bracket appears after a line-break, make
     it start after the prefatory matter.
   */
   Real left = 0.;
   if (bound->break_status_dir () == RIGHT)
     {
@@ skipping 19 matching lines @@
                                                       Interval (1.0, 1.0));
   Drul_array<Real> flare = robust_scm2interval (me->get_property ("bracket-flare"),
                                                 Interval (0, 0));
   Drul_array<Real> shorten = robust_scm2interval (me->get_property ("shorten-pair"),
                                                   Interval (0, 0));
 
   scale_drul (&edge_height, - Real (get_grob_direction (me)));
 
   Interval empty;
   Offset start;
-  start[X_AXIS] = me->spanner_length () - left; // - half_space;
+  start[X_AXIS] = me->spanner_length () - left;
 
   /*
     ugh, Tuplet_bracket should use Horizontal_bracket, not the other way around.
   */
   Stencil total
     = Tuplet_bracket::make_bracket (me, Y_AXIS, start,
                                     edge_height, empty, flare, shorten);
 
   if (!orig_span || broken_first_bracket)
     {
@@ skipping 26 matching lines @@
   Grob *endbar = bars.size () ? bars.back () : 0;
   SCM glyph = endbar ? endbar->get_property ("glyph-name") : SCM_EOL;
 
   string str;
   if (scm_is_string (glyph))
     str = ly_scm2string (glyph);
   else
     str = "|";
 
   no_vertical_end |= ly_scm2bool (scm_call_1 (ly_lily_module_constant ("volta-bracket::calc-hook-visibility"),
                                              ly_string2scm (str)));

[janek, 2012/10/14 17:17:46]

I'm sorry (that's probably a noob question) - what |= is?

 
   if (no_vertical_end || no_vertical_start)
     {
       Drul_array<Real> edge_height = robust_scm2interval (me->get_property ("edge-height"),
                                                           Interval (1.0, 1.0));
       if (no_vertical_start)
         edge_height[LEFT] = 0.0;
 
       if (no_vertical_end)
         edge_height[RIGHT] = 0.0;
@@ skipping 16 matching lines @@
 ADD_INTERFACE (Volta_bracket_interface,
                "Volta bracket with number.",
 
                /* properties */
                "bars "
                "thickness "
                "height "
                "shorten-pair "
               );