#include "lookup.hh"
#include "pointer-group-interface.hh"
-MAKE_SCHEME_CALLBACK (Arpeggio, print, 1);
-SCM
-Arpeggio::print (SCM smob)
+Grob *
+Arpeggio::get_common_y (Grob *me)
{
- Grob *me = unsmob_grob (smob);
-
Grob *common = me;
extract_grob_set (me, "stems", stems);
Y_AXIS);
}
+ return common;
+}
+
+MAKE_SCHEME_CALLBACK(Arpeggio, calc_positions, 1);
+SCM
+Arpeggio::calc_positions (SCM grob)
+{
+ Grob *me = unsmob_grob (grob);
+ Grob *common = get_common_y (me);
+
/*
TODO:
Using stems here is not very convenient; should store noteheads
instead, and also put them into the support. Now we will mess up
in vicinity of a collision.
-
*/
Interval heads;
Real my_y = me->relative_coordinate (common, Y_AXIS);
+ extract_grob_set (me, "stems", stems);
for (vsize i = 0; i < stems.size (); i++)
{
Grob *stem = stems[i];
- my_y);
}
+ heads *= 1/Staff_symbol_referencer::staff_space(me);
+
+ return ly_interval2scm (heads);
+}
+
+MAKE_SCHEME_CALLBACK (Arpeggio, print, 1);
+SCM
+Arpeggio::print (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+ Interval heads = robust_scm2interval (me->get_property ("positions"),
+ Interval())
+ * Staff_symbol_referencer::staff_space (me);
+
if (heads.is_empty () || heads.length () < 0.5)
{
if (!to_boolean (me->get_property ("transparent")))
Arpeggio::brew_chord_bracket (SCM smob)
{
Grob *me = unsmob_grob (smob);
- Grob *common = me;
-
- extract_grob_set (me, "stems", stems);
- for (vsize i = 0; i < stems.size (); i++)
- {
- Grob *stem = stems[i];
- common = common->common_refpoint (Staff_symbol_referencer::get_staff_symbol (stem),
- Y_AXIS);
- }
-
- Interval heads;
- Real my_y = me->relative_coordinate (common, Y_AXIS);
-
- for (vsize i = 0; i < stems.size (); i++)
- {
- Grob *stem = stems[i];
- Grob *ss = Staff_symbol_referencer::get_staff_symbol (stem);
- Interval iv = Stem::head_positions (stem);
- iv *= Staff_symbol::staff_space (ss) / 2.0;
- heads.unite (iv + ss->relative_coordinate (common, Y_AXIS) - my_y);
- }
+ Interval heads = robust_scm2interval (me->get_property ("positions"),
+ Interval())
+ * Staff_symbol_referencer::staff_space (me);
Real lt = me->layout ()->get_dimension (ly_symbol2scm ("line-thickness"));
Real sp = 1.5 * Staff_symbol_referencer::staff_space (me);
/* properties */
"arpeggio-direction "
+ "positions "
"stems "
"script-priority " // TODO: make around-note-interface
);
whether to put a page turn at this column. Can be @code{force} or
@code{allow}.")
(parenthesized ,boolean? "Parenthesize this grob.")
- (positions ,pair? "Pair of staff coordinates @code{(@var{left}
+ (positions ,number-pair? "Pair of staff coordinates @code{(@var{left}
. @var{right})}, where both @var{left} and @var{right} are in
-@code{staff-space} units of the current staff. LilyPond uses these
-values to select which slur candidate positions to use; if extreme
-positions are requested, LilyPond selects the closest positions.")
+@code{staff-space} units of the current staff.
+
+For slurs, this value selects which slur candidate
+to use; if extreme positions are requested, the closest one is taken.")
(ratio ,number? "Parameter for slur shape. The higher this
number, the quicker the slur attains its @code{height-limit}.")