#include "staff-symbol-referencer.hh"
#include "line-interface.hh"
+MAKE_SCHEME_CALLBACK (Bar_line, calc_bar_extent, 1)
+SCM
+Bar_line::calc_bar_extent (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+
+ SCM size = me->get_property ("bar-size");
+
+ if (!scm_is_number (size)
+ || !Staff_symbol_referencer::get_staff_symbol (me))
+ return ly_interval2scm (Interval ());
+
+ Real h = scm_to_double (size);
+ return ly_interval2scm (Interval (-h/2, h/2));
+}
+
+Interval
+Bar_line::bar_y_extent (Grob *me, Grob *refpoint)
+{
+ Interval iv = robust_scm2interval (me->get_property ("bar-extent"), Interval ());
+
+ iv.translate (me->relative_coordinate (refpoint, Y_AXIS));
+ return iv;
+}
+
MAKE_SCHEME_CALLBACK (Bar_line, print, 1);
SCM
Bar_line::print (SCM smob)
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),
+ bar.add_stencil (Lookup::round_filled_box (Box (Interval (0, thick),
Interval (bot_y, top_y)),
blot));
}
s.translate (Offset (thick/2, -h/2));
return s;
}
- return Stencil();
+ 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,
/* properties */
+ "allow-span-bar "
"gap "
"kern "
"thin-kern "
"glyph "
"glyph-name "
"bar-size "
+ "bar-extent "
);