source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "paper-def.hh"
#include "tie.hh"
#include "note-head.hh"
-#include "p-col.hh"
+#include "paper-column.hh"
#include "debug.hh"
+
void
Tie::set_head (Direction d, Note_head * head_l)
{
assert (!head_l_drul_[d]);
head_l_drul_[d] = head_l;
+ set_bounds (d, head_l);
add_dependency (head_l);
}
{
head_l_drul_[RIGHT] =0;
head_l_drul_[LEFT] =0;
- same_pitch_b_ =false;
}
-void
-Tie::set_default_dir()
+
+/*
+ ugh: direction of the Tie is more complicated. See [Ross] p136 and further
+ */
+Direction
+Tie::get_default_dir () const
{
- int m= (head_l_drul_[LEFT]->position_i_ + head_l_drul_[RIGHT]->position_i_) /2;
- dir_ = (m < 5)? DOWN : UP; // UGH
+ int m = (head_l_drul_[LEFT]->position_i ()
+ + head_l_drul_[RIGHT]->position_i ()) /2;
+
+ /*
+ If dir is not determined: inverse of stem: down
+ (see stem::get_default_dir ())
+ */
+ Direction neutral_dir = (Direction)(int)paper_l ()->get_var ("stem_default_neutral_direction");
+ return (m == 0) ? other_dir (neutral_dir) : (m < 0) ? DOWN : UP;
}
void
Tie::do_add_processing()
{
if (!(head_l_drul_[LEFT] && head_l_drul_[RIGHT]))
- warning ("Lonely tie.. ");
-
- set_bounds(LEFT,head_l_drul_[LEFT]);
- set_bounds(RIGHT,head_l_drul_[RIGHT]);
+ warning (_ ("lonely tie"));
+
+ Direction d = LEFT;
+ Drul_array<Note_head *> new_head_drul = head_l_drul_;
+ do {
+ if (!head_l_drul_[d])
+ new_head_drul[d] = head_l_drul_[(Direction)-d];
+ } while (flip(&d) != LEFT);
+ head_l_drul_ = new_head_drul;
}
void
Tie::do_post_processing()
{
- Real nw_f = paper()->note_width ();
assert (head_l_drul_[LEFT] || head_l_drul_[RIGHT]);
- Direction d = LEFT;
- do
- {
- pos_i_drul_[d] = (head_l_drul_[d])?
- head_l_drul_[d]->position_i_ : head_l_drul_[(Direction)-d]->position_i_;
- }
- while ((d *= -1) != LEFT);
+ Real interline_f = paper_l ()->get_realvar (interline_scm_sym);
+ Real internote_f = interline_f / 2;
+ Real x_gap_f = paper_l ()->get_var ("tie_x_gap");
+ Real y_gap_f = paper_l ()->get_var ("tie_y_gap");
- do
+ /*
+ Slur and tie placement [OSU]
+
+ Ties:
+
+ * x = inner vertical tangent - d * gap
+
+ */
+
+
+ /*
+ OSU: not different for outer notes, so why all this code?
+ ie, can we drop this, or should it be made switchable.
+ */
+#if 0
+ Direction d = LEFT;
+ do
{
- if (head_l_drul_[d] && head_l_drul_[d]->extremal_i_)
+ Real head_width_f = head_l_drul_[d]
+ ? head_l_drul_[d]->extent (X_AXIS).length ()
+ : 0;
+ /*
+ side attached to outer (upper or lower) notehead of chord
+ */
+ if (head_l_drul_[d]
+ /*
+ && head_l_drul_[d]->remove_elt_property (extremal_scm_sym) != SCM_BOOL_F)
+ ugh, ugh:
+
+ a~a~a;
+
+ to second tie, middle notehead seems not extremal
+
+ Getting scared a bit by score-element's comment:
+ // is this a good idea?
+ */
+ && (head_l_drul_[d]->get_elt_property (extremal_scm_sym)
+ != SCM_BOOL_F))
{
- pos_i_drul_[d] += 2*dir_;
- dx_f_drul_[d] += d * 0.25;
+ if (d == LEFT)
+ dx_f_drul_[d] += head_width_f;
+ dx_f_drul_[d] += -d * x_gap_f;
}
- else if (head_l_drul_[d])
- dx_f_drul_[d] += d*0.5;
+ /*
+ side attached to inner notehead
+ */
else
{
- pos_i_drul_[d] = pos_i_drul_[(Direction) -d];
- dx_f_drul_[d] = -d
- *(spanned_drul_[d]->width ().length ()/nw_f -0.5);
+ dx_f_drul_[d] += -d * head_width_f;
}
- }
- while ((d *= -1) != LEFT);
-}
+ } while (flip (&d) != LEFT);
+
+#else
+ if (head_l_drul_[LEFT])
+ dx_f_drul_[LEFT] = head_l_drul_[LEFT]->extent (X_AXIS).length ();
+ else
+ dx_f_drul_[LEFT] = spanned_drul_[LEFT]->extent (X_AXIS).length ();
+ dx_f_drul_[LEFT] += x_gap_f;
+ dx_f_drul_[RIGHT] -= x_gap_f;
+#endif
+
+ /*
+ Slur and tie placement [OSU] -- check this
+
+ Ties:
+
+ * y = dx < 5ss: horizontal tangent
+ y = dx >= 5ss: y next interline - d * 0.25 ss
+
+ which probably means that OSU assumes that
+
+ dy <= 5 dx
+
+ for smal slurs
+ */
+
+ int ypos_i = head_l_drul_[LEFT] ? head_l_drul_[LEFT]->position_i ()
+ : head_l_drul_[RIGHT]->position_i ();
+
+ Real y_f = internote_f * ypos_i;
+
+ Real dx_f = extent (X_AXIS).length () + dx_f_drul_[RIGHT] - dx_f_drul_[LEFT];
+ if (dx_f < paper_l ()->get_var ("tie_staffspace_length"))
+ {
+ if (abs (ypos_i) % 2)
+ y_f += dir_ * internote_f;
+ y_f += dir_ * y_gap_f;
+ }
+ else
+ {
+ if (! (abs (ypos_i) % 2))
+ y_f += dir_ * internote_f;
+ y_f += dir_ * internote_f;
+ y_f -= dir_ * y_gap_f;
+ }
+
+ dy_f_drul_[LEFT] = dy_f_drul_[RIGHT] = y_f;
+}
void
-Tie::do_substitute_dependency (Score_elem*o, Score_elem*n)
+Tie::do_substitute_element_pointer (Score_element*o, Score_element*n)
{
- Note_head *new_l =n?(Note_head*)n->item():0;
- if (o->item() == head_l_drul_[LEFT])
+ Note_head *new_l = n ? dynamic_cast<Note_head *> (n) : 0;
+ if (dynamic_cast <Item *> (o) == head_l_drul_[LEFT])
head_l_drul_[LEFT] = new_l;
- else if (o->item() == head_l_drul_[RIGHT])
+ else if (dynamic_cast <Item *> (o) == head_l_drul_[RIGHT])
head_l_drul_[RIGHT] = new_l;
}
-IMPLEMENT_IS_TYPE_B1(Tie,Bow);
+
+Array<Rod>
+Tie::get_rods () const
+{
+ Array<Rod> a;
+ Rod r;
+ r.item_l_drul_ = spanned_drul_;
+ r.distance_f_ = paper_l ()->get_var ("tie_x_minimum");
+ a.push (r);
+ return a;
+}
projects / lilypond.git / blobdiff