}
-
-
-
-Offset
-Slur::encompass_offset (Score_element*me,
- Score_element* col,
- Score_element **common)
-{
- Offset o;
- Score_element* stem_l = unsmob_element (col->get_elt_property ("stem"));
-
- Direction dir = Directional_element_interface (me).get ();
-
- if (!stem_l)
- {
- warning (_ ("Slur over rest?"));
- o[X_AXIS] = col->relative_coordinate (common[X_AXIS], X_AXIS);
- o[Y_AXIS] = col->relative_coordinate (common[Y_AXIS], Y_AXIS);
- return o;
- }
- Direction stem_dir = Directional_element_interface (stem_l).get ();
- o[X_AXIS] = stem_l->relative_coordinate (0, X_AXIS);
-
- /*
- Simply set x to middle of notehead
- */
-
- o[X_AXIS] -= 0.5 * stem_dir * col->extent (X_AXIS).length ();
-
- if ((stem_dir == dir)
- && !stem_l->extent (Y_AXIS).empty_b ())
- {
- o[Y_AXIS] = stem_l->relative_coordinate (common[Y_AXIS], Y_AXIS); // iuhg
- o[Y_AXIS] += stem_l->extent (Y_AXIS)[dir];
- }
- else
- {
- o[Y_AXIS] = col->relative_coordinate (common[Y_AXIS], Y_AXIS); // ugh
- o[Y_AXIS] += col->extent (Y_AXIS)[dir];
- }
-
- /*
- leave a gap: slur mustn't touch head/stem
- */
- o[Y_AXIS] += dir * me->paper_l ()->get_var ("slur_y_free");
- return o;
-}
-
MAKE_SCHEME_CALLBACK (Slur, after_line_breaking);
SCM
Slur::after_line_breaking (SCM smob)
{
// for (SCM s = get_elt_property ("slur-extremity-rules"); s != SCM_EOL; s = gh_cdr (s))
- for (SCM s = scm_eval (ly_symbol2scm ("slur-extremity-rules"));
+ for (SCM s = scm_eval2 (ly_symbol2scm ("slur-extremity-rules"),
+ SCM_EOL);
s != SCM_EOL; s = gh_cdr (s))
{
SCM r = gh_call2 (gh_caar (s), me->self_scm (),
while (flip (&dir) != LEFT);
}
+Real
+Slur::get_first_notecolumn_y (Score_element *me, Direction dir)
+{
+ Score_element *col = dir == LEFT
+ ? unsmob_element (gh_car (scm_reverse (me->get_elt_property
+ ("note-columns"))))
+ : unsmob_element
+ (gh_car (me->get_elt_property ("note-columns")));
+
+ Score_element *common[] =
+ {
+ 0,
+ me->common_refpoint (col, Y_AXIS)
+ };
+ Real y;
+ if (col == ((Spanner*)me)->get_bound (dir))
+ {
+ y = get_attachment (me, dir, common)[Y_AXIS];
+ }
+ else
+ {
+ y = encompass_offset (me, col, common)[Y_AXIS]
+ - me->relative_coordinate (common[Y_AXIS], Y_AXIS);
+ }
+ return y;
+}
+
+Offset
+Slur::broken_trend_offset (Score_element *me, Direction dir)
+{
+ /*
+ A broken slur should maintain the same vertical trend
+ the unbroken slur would have had.
+ */
+ Offset o;
+ if (Spanner *mother = dynamic_cast<Spanner*> (me->original_l_))
+ {
+ for (int i = dir == LEFT ? 0 : mother->broken_into_l_arr_.size ();
+ dir == LEFT ? i < mother->broken_into_l_arr_.size () : i;
+ dir == LEFT ? i++ : --i)
+ {
+ if (mother->broken_into_l_arr_[i - dir] == me)
+ {
+ Score_element *neighbour = mother->broken_into_l_arr_[i];
+ if (dir == RIGHT)
+ neighbour->set_elt_property ("direction",
+ me->get_elt_property ("direction"));
+ Real neighbour_y = get_first_notecolumn_y (neighbour, dir);
+ Real y = get_first_notecolumn_y (me, -dir);
+ o = Offset (0, (y + neighbour_y) / 2);
+ break;
+ }
+ }
+ }
+ return o;
+}
+
Offset
Slur::get_attachment (Score_element*me,Direction dir,
Score_element **common)
{
- Spanner*sp = dynamic_cast<Spanner*>(me);
SCM s = me->get_elt_property ("attachment");
+ if (!gh_symbol_p (index_cell (s, dir)))
+ {
+ set_extremities (me);
+ s = me->get_elt_property ("attachment");
+ }
SCM a = dir == LEFT ? gh_car (s) : gh_cdr (s);
+ Spanner*sp = dynamic_cast<Spanner*>(me);
String str = ly_symbol2string (a);
Real ss = Staff_symbol_referencer::staff_space ((Score_element*)me);
Real hs = ss / 2.0;
SCM other_a = dir == LEFT ? gh_cdr (s) : gh_car (s);
if (ly_symbol2string (other_a) != "loose-end")
{
+#if 0
+ /*
+ The braindead way: horizontal
+ */
o = Offset (0, get_attachment (me, -dir, common)[Y_AXIS]);
+#else
+ o = broken_trend_offset (me, dir);
+#endif
+
+
}
+
}
SCM l = scm_assoc
gh_int2scm (stem ? Stem::get_direction (stem) : 1 * dir),
gh_int2scm (Directional_element_interface (me).get () * dir),
SCM_UNDEFINED),
- scm_eval (ly_symbol2scm ("slur-extremity-offset-alist")));
+ scm_eval2 (ly_symbol2scm ("slur-extremity-offset-alist"), SCM_EOL));
if (l != SCM_BOOL_F)
{
return o;
}
+Offset
+Slur::encompass_offset (Score_element*me,
+ Score_element* col,
+ Score_element **common)
+{
+ Offset o;
+ Score_element* stem_l = unsmob_element (col->get_elt_property ("stem"));
+
+ Direction dir = Directional_element_interface (me).get ();
+
+ if (!stem_l)
+ {
+ warning (_ ("Slur over rest?"));
+ o[X_AXIS] = col->relative_coordinate (common[X_AXIS], X_AXIS);
+ o[Y_AXIS] = col->relative_coordinate (common[Y_AXIS], Y_AXIS);
+ return o;
+ }
+ Direction stem_dir = Directional_element_interface (stem_l).get ();
+ o[X_AXIS] = stem_l->relative_coordinate (0, X_AXIS);
+
+ /*
+ Simply set x to middle of notehead
+ */
+
+ o[X_AXIS] -= 0.5 * stem_dir * col->extent (X_AXIS).length ();
+
+ if ((stem_dir == dir)
+ && !stem_l->extent (Y_AXIS).empty_b ())
+ {
+ o[Y_AXIS] = stem_l->relative_coordinate (common[Y_AXIS], Y_AXIS); // iuhg
+ o[Y_AXIS] += stem_l->extent (Y_AXIS)[dir];
+ }
+ else
+ {
+ o[Y_AXIS] = col->relative_coordinate (common[Y_AXIS], Y_AXIS); // ugh
+ o[Y_AXIS] += col->extent (Y_AXIS)[dir];
+ }
+
+ /*
+ leave a gap: slur mustn't touch head/stem
+ */
+ o[Y_AXIS] += dir * me->paper_l ()->get_var ("slur_y_free");
+ return o;
+}
+
Array<Offset>
Slur::get_encompass_offset_arr (Score_element*me)
{