"head-direction "
"note-head "
"thickness "
+ "line-thickness "
);
MAKE_SCHEME_CALLBACK (Semi_tie, calc_control_points, 1)
SCM
Semi_tie::calc_control_points (SCM smob)
{
- Grob *me = unsmob<Grob> (smob);
+ Item *me = LY_ASSERT_SMOB(Item, smob, 1);
+
(void) me->get_property ("direction");
- if (Semi_tie_column::has_interface (me->get_parent (Y_AXIS)))
- {
- me->get_parent (Y_AXIS)->get_property ("positioning-done");
- }
- else
+ Grob *yparent = me->get_parent (Y_AXIS);
+ if (has_interface<Semi_tie_column> (yparent))
{
- programming_error ("lv tie without Semi_tie_column. Killing lv tie.");
- me->suicide ();
+ /* trigger positioning. */
+ yparent->get_property ("positioning-done");
+
+ return me->get_property_data ("control-points");
}
- return me->get_property_data ("control-points");
+ programming_error ("lv tie without Semi_tie_column. Killing lv tie.");
+ me->suicide ();
+ return SCM_EOL;
}
int
Semi_tie::less (Grob *g1, Grob *g2)
{
Item *i1 = dynamic_cast<Item *> (g1);
+ if (!i1)
+ {
+ g1->programming_error ("grob is not a semi-tie");
+ return false;
+ }
+
Item *i2 = dynamic_cast<Item *> (g2);
- if (i1 && i2) {
- return get_position (i1) < get_position (i2);
- }
+ if (!i2)
+ {
+ g2->programming_error ("grob is not a semi-tie");
+ return true;
+ }
- programming_error ("grob is not a semi-tie");
- return false;
+ return get_position (i1) < get_position (i2);
}
Item *
{
return unsmob<Item> (me->get_object ("note-head"));
}
-
-Item *
-Semi_tie::head (Item *me, Direction d)
-{
- SCM head_dir = me->get_property ("head-direction");
- return (is_direction (head_dir) && (to_dir (head_dir) == d)) ? head (me) : 0;
-}