}
Interval
-Tie_formatting_problem::get_attachment (Real y) const
+Tie_formatting_problem::get_attachment (Real y, Drul_array<int> columns) const
{
- Interval attachments;
+ Interval attachments (0,0);
Direction d = LEFT;
do
{
- attachments[d] = skyline_height (chord_outlines_[d], y, -d);
+ Tuple2<int> key (columns[d], int (d));
+ Chord_outline_map::const_iterator i (chord_outlines_.find (key));
+ if (i == chord_outlines_.end ())
+ programming_error ("Can't find chord outline");
+ else
+ attachments[d] = i->second.height (y);
}
while (flip (&d) != LEFT);
}
void
-Tie_formatting_problem::set_chord_outline (vector<Item*> bounds,
- Direction dir)
+Tie_formatting_problem::set_column_chord_outline (vector<Item*> bounds,
+ Direction dir,
+ int column_rank)
{
Real staff_space = Staff_symbol_referencer::staff_space (bounds[0]);
Grob *head = bounds[i];
if (!Note_head::has_interface (head))
continue;
-
+
if (!stem)
stem = unsmob_grob (head->get_object ("stem"));
}
}
- chord_outlines_[dir] = empty_skyline (-dir);
- if (bounds[0]->break_status_dir ())
- {
- Real x = robust_relative_extent (bounds[0], x_refpoint_, X_AXIS)[-dir];
- chord_outlines_[dir].at (0).height_ = x;
- }
- else
- {
- Interval x;
- for (vsize i = 0; i < head_boxes.size (); i++)
- {
- x.unite (head_boxes[i][X_AXIS]);
- }
-
- chord_outlines_[dir].at (0).height_ = x[dir];
- }
-
- for (vsize i = 0; i < boxes.size (); i++)
- insert_extent_into_skyline (&chord_outlines_[dir] ,
- boxes[i], Y_AXIS, -dir);
+ Tuple2<int> key (column_rank, int (dir));
if (stem
&& !Stem::is_invisible (stem))
Direction stemdir = get_grob_direction (stem);
y.add_point (Stem::head_positions (stem)[-stemdir]
* staff_space * .5);
-
- insert_extent_into_skyline (&chord_outlines_[dir], Box (x,y), Y_AXIS, -dir);
- stem_extents_[dir].unite (Box (x,y));
+ boxes.push_back (Box (x, y));
+
+ stem_extents_[key].unite (Box (x,y));
if (dir == LEFT)
{
Box flag_box = Stem::get_translated_flag (stem).extent_box ();
flag_box.translate( Offset (x[RIGHT], X_AXIS));
- insert_extent_into_skyline (&chord_outlines_[dir], flag_box,
- Y_AXIS, -dir);
+ boxes.push_back (flag_box);
}
}
+ else if (stem)
+ {
+ Grob *head = Stem::support_head (stem);
+
+ /*
+ In case of invisible stem, don't pass x-center of heads.
+ */
+ Real x_center = head->extent (x_refpoint_, X_AXIS).center ();
+ Interval x_ext;
+ x_ext[-dir] = x_center;
+ Interval y_ext;
+ for (vsize j = 0; j < head_boxes.size (); j++)
+ y_ext.unite (head_boxes[j][Y_AXIS]);
+
+ boxes.push_back (Box (x_ext, y_ext));
+ }
Direction updowndir = DOWN;
do
}
if (!x.is_empty ())
- insert_extent_into_skyline (&chord_outlines_[dir],
- Box (x,y),
- Y_AXIS, -dir);
+ boxes.push_back (Box (x, y));
}
while (flip (&updowndir) != DOWN);
- head_extents_[dir].set_empty ();
+ chord_outlines_[key] = Skyline (boxes, Y_AXIS, -dir);
+ if (bounds[0]->break_status_dir ())
+ {
+ Real x = robust_relative_extent (bounds[0], x_refpoint_, X_AXIS)[-dir];
+ chord_outlines_[key].set_minimum_height (x);
+ }
+ else
+ {
+ Interval x;
+ for (vsize j = 0; j < head_boxes.size (); j++)
+ {
+ x.unite (head_boxes[j][X_AXIS]);
+ }
+
+ chord_outlines_[key].set_minimum_height (x[dir]);
+ }
+
+ head_extents_[key].set_empty ();
for (vsize i = 0; i < head_boxes.size (); i++)
{
- head_extents_[dir].unite (head_boxes[i]);
+ head_extents_[key].unite (head_boxes[i]);
}
}
+void
+Tie_formatting_problem::set_chord_outline (vector<Item*> bounds,
+ Direction dir)
+
+{
+ vector<int> ranks;
+ for (vsize i = 0; i < bounds.size (); i++)
+ ranks.push_back (bounds[i]->get_column ()->get_rank ());
+
+ vector_sort (ranks, less<int> ());
+ uniq (ranks);
+
+ for (vsize i = 0; i < ranks.size (); i++)
+ {
+ vector<Item*> col_items;
+ for (vsize j = 0; j < bounds.size (); j ++)
+ {
+ if (bounds[j]->get_column ()->get_rank () == ranks[i])
+ col_items.push_back (bounds[j]);
+ }
+
+ set_column_chord_outline (col_items, dir, ranks[i]);
+ }
+}
+
+
void
Tie_formatting_problem::from_tie (Grob *tie)
for (vsize i = 0; i < ties.size (); i++)
{
Tie_specification spec;
+
+ spec.get_tie_manual_settings (ties[i]);
- if (scm_is_number (ties[i]->get_property_data (ly_symbol2scm ("direction"))))
- {
- spec.manual_dir_ = to_dir (ties[i]->get_property ("direction"));
- spec.has_manual_dir_ = true;
- }
-
- spec.position_ = Tie::get_position (ties[i]);
- if (scm_is_number (ties[i]->get_property ("staff-position")))
- {
- spec.manual_position_ = scm_to_double (ties[i]->get_property ("staff-position"));
- spec.has_manual_position_ = true;
- spec.position_ = int (my_round (spec.manual_position_));
- }
+
do
{
}
void
-Tie_formatting_problem::from_semi_ties (vector<Grob*> const &lv_ties, Direction head_dir)
+Tie_formatting_problem::from_semi_ties (vector<Grob*> const &semi_ties, Direction head_dir)
{
- if (lv_ties.empty ())
+ if (semi_ties.empty ())
return;
- details_.from_grob (lv_ties[0]);
+ details_.from_grob (semi_ties[0]);
vector<Item*> heads;
-
- for (vsize i = 0; i < lv_ties.size (); i++)
+
+ int column_rank = -1;
+ for (vsize i = 0; i < semi_ties.size (); i++)
{
Tie_specification spec;
- Item *head = unsmob_item (lv_ties[i]->get_object ("note-head"));
+ Item *head = unsmob_item (semi_ties[i]->get_object ("note-head"));
if (!head)
programming_error ("LV tie without head?!");
spec.position_ = int (Staff_symbol_referencer::get_position (head));
}
+ spec.get_tie_manual_settings (semi_ties[i]);
+
spec.note_head_drul_[head_dir] = head;
+ column_rank = dynamic_cast<Item*> (head)->get_column ()->get_rank ();
+ spec.column_ranks_ = Drul_array<int> (column_rank, column_rank);
heads.push_back (head);
specifications_.push_back (spec);
}
- x_refpoint_ = lv_ties [0];
- for (vsize i = 0; i < lv_ties.size (); i++)
- x_refpoint_ = lv_ties[i]->common_refpoint (x_refpoint_, X_AXIS);
+ x_refpoint_ = semi_ties [0];
+ for (vsize i = 0; i < semi_ties.size (); i++)
+ x_refpoint_ = semi_ties[i]->common_refpoint (x_refpoint_, X_AXIS);
for (vsize i = 0; i < heads.size (); i++)
x_refpoint_ = heads[i]->common_refpoint (x_refpoint_, X_AXIS);
set_chord_outline (heads, head_dir);
- Real extremal = head_dir * infinity_f;
-
- for (vsize i = 0; i < chord_outlines_[head_dir].size (); i++)
- {
- extremal = head_dir * min (head_dir * extremal,
- head_dir * chord_outlines_[head_dir][i].height_);
- }
+ Tuple2<int> head_key (column_rank, head_dir);
+ Tuple2<int> open_key (column_rank, -head_dir);
+ Real extremal = chord_outlines_[head_key].max_height ();
- Skyline_entry right_entry;
- right_entry.width_.set_full ();
- right_entry.height_ = extremal - head_dir * 1.5;
-
- chord_outlines_[-head_dir].push_back (right_entry);
+ chord_outlines_[open_key] = Skyline (head_dir);
+ chord_outlines_[open_key].set_minimum_height (extremal - head_dir * 1.5);
}
conf->delta_y_ += dir * 0.25 * details_.staff_space_;
y_tune = false;
}
-
-
if (y_tune
- && max (fabs (head_extents_[LEFT][Y_AXIS][dir] - y),
- fabs (head_extents_[RIGHT][Y_AXIS][dir] - y)) < 0.25
+ && max (fabs (get_head_extent (columns[LEFT], LEFT, Y_AXIS)[dir] - y),
+ fabs (get_head_extent (columns[RIGHT], RIGHT, Y_AXIS)[dir] - y)) < 0.25
&& !Staff_symbol_referencer::on_line (details_.staff_symbol_referencer_, pos))
{
conf->delta_y_ =
- (head_extents_[LEFT][Y_AXIS][dir] - y)
+ (get_head_extent (columns[LEFT], LEFT, Y_AXIS)[dir] - y)
+ dir * details_.outer_tie_vertical_gap_;
}
if (y_tune)
{
- conf->attachment_x_ = get_attachment (y + conf->delta_y_);
+ conf->attachment_x_ = get_attachment (y + conf->delta_y_, conf->column_ranks_);
Real h = conf->height (details_);
/*
}
}
- conf->attachment_x_ = get_attachment (y + conf->delta_y_);
+ conf->attachment_x_ = get_attachment (y + conf->delta_y_, conf->column_ranks_);
if (conf->height (details_) < details_.intra_space_threshold_ * 0.5 * details_.staff_space_)
{
/*
Interval close_by = get_attachment (y
+ conf->delta_y_
+ (dir * details_.intra_space_threshold_ * 0.25
- * details_.staff_space_));
+ * details_.staff_space_),
+ conf->column_ranks_);
conf->attachment_x_.intersect (close_by);
}
conf->attachment_x_.widen ( - details_.x_gap_);
- Direction d = LEFT;
- do
+ if (conf->column_span_length ())
{
- Real y = conf->position_ * details_.staff_space_ * 0.5 + conf->delta_y_;
- if (stem_extents_[d][X_AXIS].is_empty ()
- || !stem_extents_[d][Y_AXIS].contains (y))
- continue;
+ /*
+ avoid the stems that we attach to as well. We don't do this
+ for semities (span length = 0)
- conf->attachment_x_[d] =
- d* min (d * conf->attachment_x_[d],
- d * (stem_extents_[d][X_AXIS][-d] - d * details_.stem_gap_));
- }
- while (flip (&d) != LEFT);
+ It would be better to check D against HEAD-DIRECTION if
+ applicable.
+ */
+ Direction d = LEFT;
+ do
+ {
+ Real y = conf->position_ * details_.staff_space_ * 0.5 + conf->delta_y_;
+ if (get_stem_extent (conf->column_ranks_[d], d, X_AXIS).is_empty ()
+ || !get_stem_extent (conf->column_ranks_[d], d, Y_AXIS).contains (y))
+ continue;
+
+ conf->attachment_x_[d] =
+ d * min (d * conf->attachment_x_[d],
+ d * (get_stem_extent (conf->column_ranks_[d], d, X_AXIS)[-d] - d * details_.stem_gap_));
+ }
+ while (flip (&d) != LEFT);
+ }
return conf;
}
+Interval
+Tie_formatting_problem::get_head_extent (int col, Direction d, Axis a) const
+{
+ Column_extent_map::const_iterator i = head_extents_.find (Tuple2<int> (col, int (d)));
+ if (i != head_extents_.end ())
+ return (*i).second[a];
+ else
+ return Interval ();
+}
+
+Interval
+Tie_formatting_problem::get_stem_extent (int col, Direction d, Axis a) const
+{
+ Column_extent_map::const_iterator i = stem_extents_.find (Tuple2<int> (col, int (d)));
+ if (i != stem_extents_.end ())
+ return (*i).second[a];
+ else
+ return Interval ();
+}
+
/**
TIE_IDX and TIES_CONF are optional.
*/
}
}
- Tie_configuration best = *confs[best_idx];
+ if (best_idx < 0)
+ programming_error ("No best tie configuration found.");
+
+ Tie_configuration best
+ = (best_idx >= 0) ? *confs[best_idx] : *confs[0];
+
for (vsize i = 0; i < confs.size (); i++)
delete confs[i];
column_ranks_[LEFT] = 0;
}
+
+void
+Tie_specification::get_tie_manual_settings (Grob *tie)
+{
+ if (scm_is_number (tie->get_property_data ("direction")))
+ {
+ manual_dir_ = to_dir (tie->get_property ("direction"));
+ has_manual_dir_ = true;
+ }
+
+ position_ = Tie::get_position (tie);
+ if (scm_is_number (tie->get_property ("staff-position")))
+ {
+ manual_position_ = scm_to_double (tie->get_property ("staff-position"));
+ has_manual_position_ = true;
+ position_ = int (my_round (manual_position_));
+ }
+}
+
int
Tie_specification::column_span () const
{
{
conf.position_ = specifications_[i].position_;
}
+
+ conf.column_ranks_ = specifications_[i].column_ranks_;
ties_config.push_back (conf);
}
Ties_configuration
Tie_formatting_problem::generate_optimal_chord_configuration ()
{
-
Ties_configuration base = generate_base_chord_configuration ();
vector<Tie_configuration_variation> vars = generate_collision_variations (base);
{
if (tie_configs->empty ())
return ;
-
+
if (!tie_configs->at (0).dir_)
- tie_configs->at (0).dir_ = DOWN;
+ {
+ if (tie_configs->size () == 1)
+ tie_configs->at (0).dir_ = Direction (sign (tie_configs->at (0).position_));
+
+ if (!tie_configs->at (0).dir_)
+ tie_configs->at (0).dir_ = DOWN;
+ }
+
if (!tie_configs->back ().dir_)
tie_configs->back ().dir_ = UP;