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[lilypond.git] / lily / percent-repeat-item.cc

diff --git a/lily/percent-repeat-item.cc b/lily/percent-repeat-item.cc
index eddb2656a9606c2d2b9a739be142cf785d6ffad0..7b09d44601769e52db5efa96deeda6605e3cd83c 100644 (file)
--- a/lily/percent-repeat-item.cc
+++ b/lily/percent-repeat-item.cc
@@ -1,71 +1,77 @@
-/*   
-  percent-repeat-item.cc --  implement Percent_repeat_item_interface
-  
-  source file of the GNU LilyPond music typesetter
-  
-  (c) 2001--2004  Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
+/*
+  This file is part of LilyPond, the GNU music typesetter.
 
-#include "percent-repeat-item.hh"
+  Copyright (C) 2001--2010  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.
 
-#include <cmath>
+  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 "percent-repeat-item.hh"
+#include "item.hh"
 #include "lookup.hh"
 #include "font-interface.hh"
 
 Stencil
-Percent_repeat_item_interface::brew_slash ( Grob *me)
+Percent_repeat_item_interface::brew_slash (Grob *me)
 {
   Real slope = robust_scm2double (me->get_property ("slope"), 1);
   Real wid = 2.0 / slope;
 
   /*
     todo: check out if in staff-rule thickness normally.
-   */
+  */
   Real thick = robust_scm2double (me->get_property ("thickness"), 1);
   Stencil m = Lookup::repeat_slash (wid, slope, thick);
   m.translate_axis (-m.extent (Y_AXIS).center (), Y_AXIS);
   return m;
 }
 
-/*
-  todo: use grob props for dot_neg_kern, slash_neg_kern?
- */
 Stencil
-Percent_repeat_item_interface::x_percent (Grob *me, int count,
-                                         Real dot_neg_kern,
-                                         Real slash_neg_kern)
+Percent_repeat_item_interface::x_percent (Grob *me, int count)
 {
-  Stencil m ;
+  Stencil m;
   Stencil s = brew_slash (me);
 
-  for (int i  = count; i--;)
-    {
-      m.add_at_edge (X_AXIS, RIGHT, s, -slash_neg_kern,0);
-    }
-  Stencil d1 = Font_interface::get_default_font (me)->find_by_name ("dots-dot");
-  Stencil d2  =  d1;
-  d1.translate_axis (0.5, Y_AXIS );
+  Real dot_neg_kern =
+    robust_scm2double (me->get_property ("dot-negative-kern"), 0.75);
+  Real slash_neg_kern =
+    robust_scm2double (me->get_property ("slash-negative-kern"), 1.6);
+
+  for (int i = count; i--;)
+    m.add_at_edge (X_AXIS, RIGHT, s, -slash_neg_kern);
+  Stencil d1 = Font_interface::get_default_font (me)->find_by_name ("dots.dot");
+  Stencil d2 = d1;
+  d1.translate_axis (0.5, Y_AXIS);
   d2.translate_axis (-0.5, Y_AXIS);
-  
-  m.add_at_edge (X_AXIS, LEFT, d1, -dot_neg_kern,0);
-  m.add_at_edge (X_AXIS, RIGHT, d2, -dot_neg_kern,0);
 
+  m.add_at_edge (X_AXIS, LEFT, d1, -dot_neg_kern);
+  m.add_at_edge (X_AXIS, RIGHT, d2, -dot_neg_kern);
+
+  m.translate_axis (- m.extent (X_AXIS).center (), X_AXIS);
   return m;
 }
 
-MAKE_SCHEME_CALLBACK (Percent_repeat_item_interface,double_percent,1);
+MAKE_SCHEME_CALLBACK (Percent_repeat_item_interface, double_percent, 1);
 SCM
 Percent_repeat_item_interface::double_percent (SCM grob)
 {
   Grob *me = unsmob_grob (grob);
-  Stencil m = x_percent (me, 2, 0.75, 1.6);
-  m.translate_axis (- m.extent (X_AXIS).center (), X_AXIS);
+  Stencil m = x_percent (me, 2);
   return m.smobbed_copy ();
 }
 
-MAKE_SCHEME_CALLBACK (Percent_repeat_item_interface,beat_slash,1);
+MAKE_SCHEME_CALLBACK (Percent_repeat_item_interface, beat_slash, 1);
 SCM
 Percent_repeat_item_interface::beat_slash (SCM grob)
 {
@@ -75,9 +81,13 @@ Percent_repeat_item_interface::beat_slash (SCM grob)
   return m.smobbed_copy ();
 }
 
-ADD_INTERFACE (Percent_repeat_item_interface,"percent-repeat-interface",
-  "Repeats that look like percent signs",
-  "slope thickness");
-
-
+ADD_INTERFACE (Percent_repeat_item_interface,
+              "Repeats that look like percent signs.",
+              
+              /* properties */
+              "dot-negative-kern "
+              "slash-negative-kern "
+              "slope "
+              "thickness "
+              );