Web-ja: update introduction

[lilypond.git] / lily / piano-pedal-bracket.cc

diff --git a/lily/piano-pedal-bracket.cc b/lily/piano-pedal-bracket.cc
index 52afd47c530f2f1c8c67d6066926b4df7dc5fb47..d13f56414f4f52c3f8939f6b7c306a94360477d9 100644 (file)
--- a/lily/piano-pedal-bracket.cc
+++ b/lily/piano-pedal-bracket.cc
@@ -1,92 +1,111 @@
-/*   
-  piano-pedal-bracket.cc --  implement  Piano_pedal_bracket
+/*
+  This file is part of LilyPond, the GNU music typesetter.
 
-source file of the GNU LilyPond music typesetter
+  Copyright (C) 2003--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-(c) 2003--2004 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  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.
 
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "stencil.hh"
 #include "spanner.hh"
 #include "item.hh"
-#include "tuplet-bracket.hh"
+#include "bracket.hh"
+#include "axis-group-interface.hh"
 
 struct Piano_pedal_bracket
 {
-  DECLARE_SCHEME_CALLBACK (print,(SCM));
-  static bool has_interface (Grob*);
+  DECLARE_SCHEME_CALLBACK (print, (SCM));
 };
 
-
-MAKE_SCHEME_CALLBACK (Piano_pedal_bracket,print,1);
+MAKE_SCHEME_CALLBACK (Piano_pedal_bracket, print, 1);
 SCM
 Piano_pedal_bracket::print (SCM smob)
 {
-  Spanner *me = dynamic_cast<Spanner*> (unsmob_grob (smob));
-  
-  Drul_array<bool> broken (false,false);
+  Spanner *me = unsmob<Spanner> (smob);
+  Spanner *orig = dynamic_cast<Spanner *> (me->original ());
+
+  Drul_array<bool> broken (false, false);
   Drul_array<Real> height = robust_scm2drul
-    (me->get_property ("edge-height"), Interval (0,0));
+                            (me->get_property ("edge-height"), Interval (0, 0));
   Drul_array<Real> shorten = robust_scm2drul
-    (me->get_property ("shorten-pair"), Interval (0,0));
+                             (me->get_property ("shorten-pair"), Interval (0, 0));
   Drul_array<Real> flare = robust_scm2drul
-    (me->get_property ("bracket-flare"), Interval (0,0));
+                           (me->get_property ("bracket-flare"), Interval (0, 0));
 
   Grob *common = me->get_bound (LEFT)
-    ->common_refpoint (me->get_bound (RIGHT), X_AXIS);
-  Grob *textbit = unsmob_grob (me->get_property ("pedal-text"));
+                 ->common_refpoint (me->get_bound (RIGHT), X_AXIS);
+  Grob *textbit = unsmob<Grob> (me->get_object ("pedal-text"));
 
   if (textbit)
     common = common->common_refpoint (textbit, X_AXIS);
 
-  Interval span_points (0,0);
-  Direction d = LEFT;
-  do
+  Interval span_points (0, 0);
+  for (LEFT_and_RIGHT (d))
     {
       Item *b = me->get_bound (d);
       broken[d] = b->break_status_dir () != CENTER;
       if (broken[d])
-       height[d] = 0.0;
-
-      Interval ext   = b->extent (common,  X_AXIS);
-      span_points[d] = ext [broken[d] ?  RIGHT : LEFT];
+        {
+          if (orig
+              && ((d == RIGHT
+                   && me->get_break_index () != orig->broken_intos_.size () - 1)
+                  || (d == LEFT && me->get_break_index ())))
+            height[d] = 0.0;
+          else
+            flare[d] = 0.0;
+
+          span_points[d]
+            = Axis_group_interface::generic_bound_extent (b, common, X_AXIS)[RIGHT];
+        }
+      else
+        span_points[d] = b->relative_coordinate (common, X_AXIS);
     }
-  while (flip (&d) != LEFT);
 
-  
   /* For 'Mixed' style pedals, i.e.  a bracket preceded by text:  Ped._____|
-   need to shorten by the extent of the text grob
+     need to shorten by the extent of the text grob
   */
   if (textbit)
     {
       height[LEFT] = 0;
-      
-      Real padding = robust_scm2double (me->get_property ("if-text-padding"), 0);
-      
+
+      Real padding = robust_scm2double (me->get_property ("bound-padding"), 0);
+
       span_points[LEFT] = padding
-       + textbit->extent (common, X_AXIS)[RIGHT];
+                          + robust_relative_extent (textbit, common, X_AXIS)[RIGHT];
     }
-  
 
-  Stencil m ;
-  if (!span_points.is_empty () &&
-      span_points.length () > 0.001)
+  Stencil m;
+  if (!span_points.is_empty ()
+      && span_points.length () > 0.001)
     {
-      m = Tuplet_bracket::make_bracket (me, Y_AXIS,
-                                       Offset (span_points.length (), 0),
-                                       height,
-                                       0.0,
-                                       flare, shorten);
+      m = Bracket::make_bracket (
+        me, Y_AXIS, Offset (span_points.length (), 0), height,
+        Interval (), flare, shorten);
     }
   m.translate_axis (span_points[LEFT]
-                   - me->relative_coordinate (common, X_AXIS), X_AXIS);
+                    - me->relative_coordinate (common, X_AXIS), X_AXIS);
   return m.smobbed_copy ();
 }
 
-
-
-ADD_INTERFACE (Piano_pedal_bracket,"piano-pedal-bracket-interface",
-              "The bracket of the piano pedal.  It can be tuned through the regular "
-              "bracket properties.",
-              "edge-height shorten-pair bracket-flare pedal-text");
+ADD_INTERFACE (Piano_pedal_bracket,
+               "The bracket of the piano pedal.  It can be tuned through"
+               " the regular bracket properties.",
+
+               /* properties */
+               "bound-padding "
+               "edge-height "
+               "shorten-pair "
+               "bracket-flare "
+               "pedal-text "
+              );