Revert "Issue 4550 (2/2) Avoid "using namespace std;" in included files"

[lilypond.git] / lily / staff-spacing.cc

diff --git a/lily/staff-spacing.cc b/lily/staff-spacing.cc
index 99052146bb2bbfed8278c9acd04f4a0160c2de6d..d693feaee1056fd5d293f27eff0e7d873765e66f 100644 (file)
--- a/lily/staff-spacing.cc
+++ b/lily/staff-spacing.cc
@@ -34,6 +34,9 @@ using namespace std;
 #include "pointer-group-interface.hh"
 #include "directional-element-interface.hh"
 
+using std::string;
+using std::vector;
+
 /* A stem following a bar-line creates an optical illusion similar to the
    one mentioned in note-spacing.cc. We correct for it here.
 
@@ -44,7 +47,7 @@ using namespace std;
 Real
 Staff_spacing::optical_correction (Grob *me, Grob *g, Interval bar_height)
 {
-  if (!g || !Note_column::has_interface (g))
+  if (!g || !has_interface<Note_column> (g))
     return 0;
 
   Grob *stem = Note_column::get_stem (g);
@@ -55,7 +58,7 @@ Staff_spacing::optical_correction (Grob *me, Grob *g, Interval bar_height)
       Direction d = get_grob_direction (stem);
       if (Stem::is_normal_stem (stem) && d == DOWN)
         {
-          Interval stem_posns = stem->pure_height (stem, 0, INT_MAX);
+          Interval stem_posns = stem->pure_y_extent (stem, 0, INT_MAX);
 
           stem_posns.intersect (bar_height);
 
@@ -165,21 +168,21 @@ Staff_spacing::get_spacing (Grob *me, Grob *right_col, Real situational_space)
   Real fixed = last_ext[RIGHT];
   Real ideal = fixed + 1.0;
 
-  if (type == ly_symbol2scm ("fixed-space"))
+  if (scm_is_eq (type, ly_symbol2scm ("fixed-space")))
     {
       fixed += distance;
       ideal = fixed;
     }
-  else if (type == ly_symbol2scm ("extra-space"))
+  else if (scm_is_eq (type, ly_symbol2scm ("extra-space")))
     ideal = fixed + distance;
-  else if (type == ly_symbol2scm ("semi-fixed-space"))
+  else if (scm_is_eq (type, ly_symbol2scm ("semi-fixed-space")))
     {
       fixed += distance / 2;
       ideal = fixed + distance / 2;
     }
-  else if (type == ly_symbol2scm ("minimum-space"))
+  else if (scm_is_eq (type, ly_symbol2scm ("minimum-space")))
     ideal = last_ext[LEFT] + max (last_ext.length (), distance);
-  else if (type == ly_symbol2scm ("minimum-fixed-space"))
+  else if (scm_is_eq (type, ly_symbol2scm ("minimum-fixed-space")))
     {
       fixed = last_ext[LEFT] + max (last_ext.length (), distance);
       ideal = fixed;