+ if (fabs (line_thick + (count -1) * ss - h) < 0.1) // ugh.
+ {
+ Real blot =
+ me->layout ()->get_dimension (ly_symbol2scm ("blot-diameter"));
+
+ Real half_space = ss/2;
+ Stencil bar;
+
+ for (int i = (count-1); i >= -(count-1); i -= 2)
+ {
+ Real top_y = min ((i + dash_size) * half_space,
+ (count-1) * half_space + line_thick / 2);
+ Real bot_y = max ((i - dash_size) * half_space,
+ -(count-1) * half_space - line_thick/2);
+
+ bar.add_stencil (Lookup::round_filled_box (Box (Interval (0, thick),
+ Interval (bot_y, top_y)),
+ blot));
+ }
+ return bar;
+ }
+ else
+ {
+ /*
+ We have to scale the dashing so it starts and ends with half a
+ dash exactly.
+ */
+ int dashes = int (rint (h / ss));
+ Real total_dash_size = h / dashes;
+ Real factor = (dash_size - thick) / ss;
+
+ SCM at = scm_list_n (ly_symbol2scm ("dashed-line"),
+ scm_from_double (thick),
+ scm_from_double (factor * total_dash_size),
+ scm_from_double ((1-factor) * total_dash_size),
+ scm_from_double (0),
+ scm_from_double (h),
+ scm_from_double (factor * total_dash_size * 0.5),
+ SCM_UNDEFINED);
+
+ Box box;
+ box.add_point (Offset (0, 0));
+ box.add_point (Offset (0, h));
+
+ Stencil s (box, at);
+ s.translate (Offset (thick/2, -h/2));
+ return s;
+ }
+ return Stencil ();
+}
+
+MAKE_SCHEME_CALLBACK (Bar_line, calc_anchor, 1)
+SCM
+Bar_line::calc_anchor (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+ Real kern = robust_scm2double (me->get_property ("kern"), 1);
+ Real staffline = me->layout ()->get_dimension (ly_symbol2scm ("line-thickness"));
+ string str = robust_scm2string (me->get_property ("glyph-name"), "");
+
+ /* we put the anchor in the center of the barline, unless we are
+ a repeat bar, in which case we put the anchor in the center of
+ the barline without the dots. */
+ Interval ext = me->extent (me, X_AXIS);
+ if (ext.is_empty ())
+ return scm_from_double (0);
+
+ Real anchor = ext.center ();
+
+ Stencil dot = Font_interface::get_default_font (me)->find_by_name ("dots.dot");
+ Real dot_width = dot.extent (X_AXIS).length () + kern * staffline;
+ if (str == "|:")
+ anchor -= dot_width / 2;
+ else if (str == ":|")
+ anchor += dot_width / 2;
+
+ return scm_from_double (anchor);
+}
+
+ADD_INTERFACE (Bar_line,