"Return whether @var{pos} is on a line of the staff associated with the the grob @var{sg} (even on an extender line).")
{
LY_ASSERT_SMOB (Grob, sg, 1);
- LY_ASSERT_TYPE (scm_is_number, spos, 1);
+ LY_ASSERT_TYPE (scm_is_number, spos, 2);
Grob *g = unsmob_grob (sg);
Grob *st = Staff_symbol_referencer::get_staff_symbol (g);
int pos = scm_to_int (spos);
bool on_line = st ? Staff_symbol::on_line (g, pos) : false;
return scm_from_bool (on_line);
}
+
+LY_DEFINE (ly_staff_symbol_line_thickness, "ly:staff-symbol-line-thickness",
+ 1, 0, 0, (SCM grob),
+ "Returns the line-thickness of the staff associated with @var{grob}.")
+{
+ LY_ASSERT_SMOB (Grob, grob, 1);
+ Grob *g = unsmob_grob (grob);
+ Real thickness = Staff_symbol_referencer::line_thickness (g);
+ return scm_from_double (thickness);
+}