source file of the GNU LilyPond music typesetter
- (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 2005--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "tie-formatting-problem.hh"
+#include "paper-column.hh"
#include "bezier.hh"
#include "directional-element-interface.hh"
-#include "item.hh"
#include "libc-extension.hh"
#include "misc.hh"
#include "note-head.hh"
#include "tie-configuration.hh"
#include "tie.hh"
#include "warn.hh"
-
+#include "pointer-group-interface.hh"
+#include "output-def.hh"
void
Tie_formatting_problem::print_ties_configuration (Ties_configuration const *ties)
}
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 ("Cannot 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"));
Interval x = dots->extent (x_refpoint_, X_AXIS);
int p = int (Staff_symbol_referencer::get_position (dots));
+ /*
+ TODO: shouldn't this use column-rank dependent key?
+ */
dot_positions_.insert (p);
dot_x_.unite (x);
}
}
- 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
+ Tuple2<int> key (column_rank, int (dir));
+
+ if (stem)
{
- Interval x;
- for (vsize i = 0; i < head_boxes.size (); i++)
+ if (Stem::is_normal_stem (stem))
{
- x.unite (head_boxes[i][X_AXIS]);
- }
-
- chord_outlines_[dir].at (0).height_ = x[dir];
- }
+
+ Interval x;
+ x.add_point (stem->relative_coordinate (x_refpoint_, X_AXIS));
+ x.widen (staff_space / 20); // ugh.
+ Interval y;
+ y.add_point (Stem::stem_end_position (stem) * staff_space * .5);
+
+ Direction stemdir = get_grob_direction (stem);
+ y.add_point (Stem::head_positions (stem)[-stemdir]
+ * staff_space * .5);
+
+ /*
+ add extents of stem.
+ */
+ boxes.push_back (Box (x, y));
- for (vsize i = 0; i < boxes.size (); i++)
- insert_extent_into_skyline (&chord_outlines_[dir] ,
- boxes[i], Y_AXIS, -dir);
+ stem_extents_[key].unite (Box (x,y));
- if (stem
- && !Stem::is_invisible (stem))
- {
- Interval x;
- x.add_point (stem->relative_coordinate (x_refpoint_, X_AXIS));
- x.widen (staff_space / 20); // ugh.
- Interval y;
- y.add_point (Stem::stem_end_position (stem) * staff_space * .5);
+ if (dir == LEFT)
+ {
+ Box flag_box = Stem::get_translated_flag (stem).extent_box ();
+ flag_box.translate( Offset (x[RIGHT], X_AXIS));
+ boxes.push_back (flag_box);
+ }
+ }
+ else
+ {
+ 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 stemdir = get_grob_direction (stem);
- y.add_point (Stem::head_positions (stem)[-stemdir]
- * staff_space * .5);
+ extract_grob_set (stem, "note-heads", heads);
+ for (vsize i = 0; i < heads.size(); i ++)
+ {
+ if (find (bounds.begin(), bounds.end (), dynamic_cast<Item*> (heads[i])) == bounds.end ())
+ {
+ /*
+ other untied notes in the same chord.
+ */
- insert_extent_into_skyline (&chord_outlines_[dir], Box (x,y), Y_AXIS, -dir);
-
- stem_extents_[dir].unite (Box (x,y));
+ Interval y = Staff_symbol_referencer::extent_in_staff (heads[i]);
+ Interval x = heads[i]->extent (x_refpoint_, X_AXIS);
+ boxes.push_back (Box (x, y));
+ }
+
+ Grob *acc = unsmob_grob (heads[i]->get_object ("accidental-grob"));
+ if (acc && acc->is_live () && dir == RIGHT)
+ {
+ boxes.push_back (Box (acc->extent (x_refpoint_, X_AXIS),
+ Staff_symbol_referencer::extent_in_staff (acc)));
+ }
- 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);
+ head_positions_[column_rank].add_point (int (Staff_symbol_referencer::get_position (heads[i])));
}
+
}
Direction updowndir = DOWN;
}
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 ();
+
+ /* todo: the horizon_padding is somewhat arbitrary */
+ chord_outlines_[key] = Skyline (boxes, details_.skyline_padding_, 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
for (vsize i = 0; i < ties.size (); i++)
{
Item *it = dynamic_cast<Spanner*> (ties[i])->get_bound (d);
-
- bounds.push_back (it);
+ if (it->break_status_dir ())
+ {
+ Item *sep
+ = dynamic_cast<Item*> (unsmob_grob (ties[i]->get_object ("separation-item")));
+ if (sep && sep->get_column () == it->get_column ())
+ it = sep;
+
+ bounds.push_back (it);
+ }
+ else
+ {
+ bounds.push_back (it);
+ }
}
set_chord_outline (bounds, d);
for (vsize i = 0; i < ties.size (); i++)
{
Tie_specification spec;
+ spec.from_grob (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]);
-
do
{
spec.note_head_drul_[d] = Tie::head (ties[i], d);
+ spec.column_ranks_[d] = Tie::get_column_rank (ties[i], d);
}
while (flip (&d) != LEFT);
-
specifications_.push_back (spec);
}
}
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.from_grob (semi_ties[i]);
+
spec.note_head_drul_[head_dir] = head;
+ column_rank = Tie::get_column_rank (semi_ties[i], head_dir);
+ 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;
+ Tuple2<int> head_key (column_rank, head_dir);
+ Tuple2<int> open_key (column_rank, -head_dir);
+ Real extremal = chord_outlines_[head_key].max_height ();
- 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_);
- }
-
- 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);
}
}
+/*
+ Return configuration, create it if necessary.
+*/
Tie_configuration*
-Tie_formatting_problem::get_configuration (int pos, Direction dir) const
+Tie_formatting_problem::get_configuration (int pos, Direction dir, Drul_array<int> columns,
+ bool tune_dy) const
{
- pair<int,int> key (pos, dir);
+ int key_components[] = {
+ pos, dir, columns[LEFT], columns[RIGHT]
+ };
+ Tuple<int,4> key (key_components);
+
Tie_configuration_map::const_iterator f = possibilities_.find (key);
-
if (f != possibilities_.end ())
{
return (*f).second;
}
- Tie_configuration *conf = generate_configuration (pos, dir);
+ Tie_configuration *conf = generate_configuration (pos, dir, columns, tune_dy);
((Tie_formatting_problem*) this)->possibilities_[key] = conf;
return conf;
}
Tie_configuration*
-Tie_formatting_problem::generate_configuration (int pos, Direction dir) const
+Tie_formatting_problem::generate_configuration (int pos, Direction dir,
+ Drul_array<int> columns, bool y_tune) const
{
Tie_configuration *conf = new Tie_configuration;
conf->position_ = pos;
conf->dir_ = dir;
+
+ conf->column_ranks_ = columns;
+
Real y = conf->position_ * 0.5 * details_.staff_space_;
-
- bool y_tune = true;
if (dot_positions_.find (pos) != dot_positions_.end ())
{
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_);
/*
size.
*/
- if (h < details_.intra_space_threshold_ * 0.5 * details_.staff_space_)
+ if (head_positions_slice (columns[LEFT]).contains (pos)
+ || head_positions_slice (columns[RIGHT]).contains (pos)
+ || abs (pos) < 2 * Staff_symbol_referencer::staff_radius (details_.staff_symbol_referencer_))
{
- if (!Staff_symbol_referencer::on_line (details_.staff_symbol_referencer_, pos)
- && abs (pos) < 2 * Staff_symbol_referencer::staff_radius (details_.staff_symbol_referencer_))
- {
- conf->center_tie_vertically (details_);
- }
- else if (Staff_symbol_referencer::on_line (details_.staff_symbol_referencer_, pos))
+ if (h < details_.intra_space_threshold_ * 0.5 * details_.staff_space_)
{
- conf->delta_y_ += dir *
- details_.tip_staff_line_clearance_ * 0.5 * details_.staff_space_;
+ if (!Staff_symbol_referencer::on_line (details_.staff_symbol_referencer_, pos)
+ && abs (pos) < 2 * Staff_symbol_referencer::staff_radius (details_.staff_symbol_referencer_))
+ {
+ conf->center_tie_vertically (details_);
+ }
+ else if (Staff_symbol_referencer::on_line (details_.staff_symbol_referencer_, pos))
+ {
+ conf->delta_y_ += dir *
+ details_.tip_staff_line_clearance_ * 0.5 * details_.staff_space_;
+ }
}
- }
- else
- {
- Real top_y = y + conf->delta_y_ + conf->dir_ * h;
- Real top_pos = top_y / (0.5*details_.staff_space_);
- int round_pos = int (my_round (top_pos));
-
- /* TODO: should use other variable? */
- Real clearance = details_.center_staff_line_clearance_;
- if (fabs (top_pos - round_pos) < clearance
- && Staff_symbol_referencer::on_staff_line (details_.staff_symbol_referencer_,
- round_pos))
+ else
{
- Real new_y = (round_pos + clearance * conf->dir_) * 0.5 * details_.staff_space_;
- conf->delta_y_ = (new_y - top_y);
+ Real top_y = y + conf->delta_y_ + conf->dir_ * h;
+ Real top_pos = top_y / (0.5*details_.staff_space_);
+ int round_pos = int (my_round (top_pos));
+
+ /* TODO: should use other variable? */
+ Real clearance = details_.center_staff_line_clearance_;
+ if (fabs (top_pos - round_pos) < clearance
+ && Staff_symbol_referencer::on_staff_line (details_.staff_symbol_referencer_,
+ round_pos))
+ {
+ Real new_y = (round_pos + clearance * conf->dir_) * 0.5 * details_.staff_space_;
+ conf->delta_y_ = (new_y - top_y);
+ }
}
}
- }
-
- 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.
*/
}
{
- Real p = details_.vertical_distance_penalty_factor_ * fabs (curve_y - tie_y);
+ Real relevant_dist = max (fabs (curve_y - tie_y) - 0.5, 0.0);
+ Real p = details_.vertical_distance_penalty_factor_ * convex_amplifier (1.0, 0.9, relevant_dist);
if (ties_conf)
ties_conf->add_tie_score (p, tie_idx, "vdist");
else
Interval head_x = spec.note_head_drul_[d]->extent (x_refpoint_, X_AXIS);
Real dist = head_x.distance (conf->attachment_x_[d]);
+
/*
TODO: flatten with log or sqrt.
*/
- Real p = details_.horizontal_distance_penalty_factor_ * dist;
+ Real p = details_.horizontal_distance_penalty_factor_
+ * convex_amplifier (1.25, 1.0, dist);
if (ties_conf)
ties_conf->add_tie_score (p, tie_idx,
(d == LEFT) ? "lhdist" : "rhdist");
else
penalty += p;
+
+ }
+ while (flip (&d) != LEFT);
+
+ if (ties_conf
+ && ties_conf->size() == 1)
+ {
+ Direction d = LEFT;
+ Drul_array<Grob*> stems (0, 0);
+ do
+ {
+ if (!spec.note_head_drul_[d])
+ continue;
+
+ Grob *stem = unsmob_grob (spec.note_head_drul_[d]->get_object ("stem"));
+ if (stem
+ && Stem::is_normal_stem (stem))
+ stems[d] = stem;
+ }
+ while (flip (&d) != LEFT);
+
+ bool tie_stem_dir_ok = true;
+ bool tie_position_dir_ok = true;
+ if (stems[LEFT] && !stems[RIGHT])
+ tie_stem_dir_ok = conf->dir_ != get_grob_direction (stems[LEFT]);
+ else if (!stems[LEFT] && stems[RIGHT])
+ tie_stem_dir_ok = conf->dir_ != get_grob_direction (stems[RIGHT]);
+ else if (stems[LEFT] && stems[RIGHT]
+ && get_grob_direction (stems[LEFT]) == get_grob_direction (stems[RIGHT]))
+ tie_stem_dir_ok = conf->dir_ != get_grob_direction (stems[LEFT]);
+ else if (spec.position_)
+ tie_position_dir_ok = conf->dir_ == sign (spec.position_);
+
+ if (!tie_stem_dir_ok)
+ ties_conf->add_score (details_.same_dir_as_stem_penalty_, "tie/stem dir");
+ if (!tie_position_dir_ok)
+ ties_conf->add_score (details_.same_dir_as_stem_penalty_, "tie/pos dir");
}
while (flip (&d) != LEFT);
+
return penalty;
}
+
+Slice
+Tie_formatting_problem::head_positions_slice (int rank) const
+{
+ Position_extent_map::const_iterator i (head_positions_.find (rank));
+ if (i != head_positions_.end ())
+ {
+ return (*i).second;
+ }
+ Slice empty;
+ return empty;
+}
+
+/*
+ Score a configuration, ie. how well these ties looks without regard
+ to the note heads that they should connect to.
+ */
void
Tie_formatting_problem::score_configuration (Tie_configuration *conf) const
{
conf->add_score (
details_.staff_line_collision_penalty_
* peak_around (0.1 * details_.center_staff_line_clearance_,
- details_.center_staff_line_clearance_,
+ details_.center_staff_line_clearance_,
fabs (top_pos - round_top_pos)),
"line center");
}
-
- if (Staff_symbol_referencer::on_line (details_.staff_symbol_referencer_,
- int (rint (tip_pos))))
+
+ int rounded_tip_pos = int (rint (tip_pos));
+ if (Staff_symbol_referencer::on_line (details_.staff_symbol_referencer_, rounded_tip_pos)
+ && (head_positions_slice (conf->column_ranks_[LEFT]).contains (rounded_tip_pos)
+ || head_positions_slice (conf->column_ranks_[RIGHT]).contains (rounded_tip_pos)
+ || abs (rounded_tip_pos) < 2 * Staff_symbol_referencer::staff_radius (details_.staff_symbol_referencer_))
+ )
{
conf->add_score (details_.staff_line_collision_penalty_
* peak_around (0.1 * details_.tip_staff_line_clearance_,
conf->scored_ = true;
}
-Tie_configuration
-Tie_formatting_problem::find_optimal_tie_configuration (Tie_specification const &spec) const
-{
- vector<Tie_configuration*> confs;
-
- int pos = spec.position_;
- Direction dir = spec.manual_dir_;
-
- for (int i = 0; i < details_.single_tie_region_size_; i ++)
- {
- confs.push_back (generate_configuration (pos + i * dir, dir));
- }
-
- vector<Real> scores;
-
- int best_idx = -1;
- Real best_score = 1e6;
- for (vsize i = 0; i < confs.size (); i ++)
- {
- score_configuration (confs[i]);
- Real score = score_aptitude (confs[i], spec, 0, 0)
- + confs[i]->score ();
-
- if (score < best_score)
- {
- best_score = score;
- best_idx = i;
- }
- }
-
- Tie_configuration best = *confs[best_idx];
- for (vsize i = 0; i < confs.size (); i++)
- delete confs[i];
-
- return best;
-}
-
-Tie_specification::Tie_specification ()
-{
- has_manual_position_ = false;
- has_manual_dir_ = false;
- position_ = 0;
- manual_position_ = 0;
- manual_dir_ = CENTER;
- note_head_drul_[LEFT] =
- note_head_drul_[RIGHT] = 0;
-}
-
-
void
Tie_formatting_problem::score_ties_aptitude (Ties_configuration *ties) const
{
last_center = center;
}
- ties->add_score (details_.outer_tie_length_symmetry_penalty_factor_
- * fabs (ties->at (0).attachment_x_.length () - ties->back ().attachment_x_.length ()),
- "length symm");
+ if (ties->size () > 1)
+ {
+ ties->add_score (details_.outer_tie_length_symmetry_penalty_factor_
+ * fabs (ties->at (0).attachment_x_.length () - ties->back ().attachment_x_.length ()),
+ "length symm");
- ties->add_score (details_.outer_tie_vertical_distance_symmetry_penalty_factor_
- * fabs (fabs (specifications_[0].position_ * 0.5 * details_.staff_space_
- - (ties->at (0).position_ * 0.5 * details_.staff_space_
- + ties->at (0).delta_y_))
- -
- fabs (specifications_.back ().position_ * 0.5 * details_.staff_space_
- - (ties->back ().position_ * 0.5 * details_.staff_space_
- + ties->back ().delta_y_))),
- "pos symmetry");
+ ties->add_score (details_.outer_tie_vertical_distance_symmetry_penalty_factor_
+ * fabs (fabs (specifications_[0].position_ * 0.5 * details_.staff_space_
+ - (ties->at (0).position_ * 0.5 * details_.staff_space_
+ + ties->at (0).delta_y_))
+ -
+ fabs (specifications_.back ().position_ * 0.5 * details_.staff_space_
+ - (ties->back ().position_ * 0.5 * details_.staff_space_
+ + ties->back ().delta_y_))),
+ "pos symmetry");
+ }
}
-
/*
Generate with correct X-attachments and beziers, copying delta_y_
from TIES_CONFIG if necessary.
Ties_configuration copy;
for (vsize i = 0; i < ties_config.size (); i++)
{
- Tie_configuration * ptr = get_configuration (ties_config[i].position_, ties_config[i].dir_);
- if (specifications_[i].has_manual_position_)
+ Tie_configuration * ptr = get_configuration (ties_config[i].position_, ties_config[i].dir_,
+ ties_config[i].column_ranks_,
+ !specifications_[i].has_manual_delta_y_);
+ if (specifications_[i].has_manual_delta_y_)
{
ptr->delta_y_
= (specifications_[i].manual_position_ - ties_config[i].position_)
if (specifications_[i].has_manual_position_)
{
conf.position_ = (int) my_round (specifications_[i].manual_position_);
- conf.delta_y_ = (specifications_[i].manual_position_ - conf.position_)
- * 0.5 * details_.staff_space_;
+ if (specifications_[i].has_manual_delta_y_)
+ conf.delta_y_ = (specifications_[i].manual_position_ - conf.position_)
+ * 0.5 * details_.staff_space_;
}
else
{
conf.position_ = specifications_[i].position_;
}
+
+ conf.column_ranks_ = specifications_[i].column_ranks_;
ties_config.push_back (conf);
}
Ties_configuration
Tie_formatting_problem::find_best_variation (Ties_configuration const &base,
- vector<Tie_configuration_variation> vars)
+ vector<Tie_configuration_variation> const &vars)
{
Ties_configuration best = base;
Ties_configuration
-Tie_formatting_problem::generate_optimal_chord_configuration ()
+Tie_formatting_problem::generate_optimal_configuration ()
{
-
Ties_configuration base = generate_base_chord_configuration ();
- vector<Tie_configuration_variation> vars = generate_collision_variations (base);
-
score_ties (&base);
+
+ vector<Tie_configuration_variation> vars;
+ if (specifications_.size () > 1)
+ vars = generate_collision_variations (base);
+ else
+ vars = generate_single_tie_variations (base);
+
Ties_configuration best = find_best_variation (base, vars);
- vars = generate_extremal_tie_variations (best);
- best = find_best_variation (best, vars);
+ if (specifications_.size () > 1)
+ {
+ vars = generate_extremal_tie_variations (best);
+ best = find_best_variation (best, vars);
+ }
return best;
}
{
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;
*/
for (vsize i = 1; i < tie_configs->size (); i++)
{
- Real diff = (tie_configs->at (i-1).position_
- - tie_configs->at (i).position_);
-
- if (fabs (diff) <= 1)
+ Real diff = (tie_configs->at (i).position_
+ -tie_configs->at (i-1).position_);
+
+ Real span_diff
+ = specifications_[i].column_span () - specifications_[i-1].column_span ();
+ if (span_diff && fabs (diff) <= 2)
+ {
+ if (span_diff > 0)
+ tie_configs->at (i).dir_ = UP;
+ else if (span_diff < 0)
+ tie_configs->at (i-1).dir_ = DOWN;
+ }
+ else if (fabs (diff) <= 1)
{
if (!tie_configs->at (i-1).dir_)
tie_configs->at (i-1).dir_ = DOWN;
}
}
- for (vsize i = 1; i < tie_configs->size() - 1; i++)
+ for (vsize i = 1; i + 1 < tie_configs->size (); i++)
{
Tie_configuration &conf = tie_configs->at (i);
if (conf.dir_)
Tie_configuration_variation var;
var.index_ = (d == DOWN) ? 0 : ties.size () - 1;
var.suggestion_ = get_configuration (boundary (ties, d, 0).position_
- + d * i, d);
+ + d * i, d,
+ boundary (ties, d, 0).column_ranks_,
+ true);
vars.push_back (var);
}
}
return vars;
}
+vector<Tie_configuration_variation>
+Tie_formatting_problem::generate_single_tie_variations (Ties_configuration const &ties) const
+{
+ vector<Tie_configuration_variation> vars;
+
+ int sz = details_.single_tie_region_size_;
+ if (specifications_[0].has_manual_position_)
+ sz = 1;
+ for (int i = 0; i < sz; i ++)
+ {
+ Direction d = LEFT;
+ do
+ {
+ if (i == 0
+ && ties[0].dir_ == d)
+ continue;
+
+ int p = ties[0].position_ + i * d;
+
+ if (!specifications_[0].has_manual_dir_
+ || d == specifications_[0].manual_dir_)
+ {
+ Tie_configuration_variation var;
+ var.index_ = 0;
+ var.suggestion_ = get_configuration (p,
+ d, specifications_[0].column_ranks_,
+ !specifications_[0].has_manual_delta_y_);
+ vars.push_back (var);
+ }
+ }
+ while (flip (&d) != LEFT);
+ }
+ return vars;
+}
+
vector<Tie_configuration_variation>
Tie_formatting_problem::generate_collision_variations (Ties_configuration const &ties) const
var.index_ = i;
var.suggestion_ = get_configuration (specifications_[i].position_
- ties[i].dir_,
- -ties[i].dir_);
+ - ties[i].dir_,
+
+ ties[i].column_ranks_,
+ !specifications_[i].has_manual_delta_y_
+ );
vars.push_back (var);
}
var.index_ = i-1;
var.suggestion_ = get_configuration (specifications_[i-1].position_
- ties[i-1].dir_,
- - ties[i-1].dir_);
+ - ties[i-1].dir_,
+ specifications_[i-1].column_ranks_,
+ !specifications_[i-1].has_manual_delta_y_
+ );
vars.push_back (var);
}
{
Tie_configuration_variation var;
var.index_ = i-1;
- var.suggestion_ = get_configuration (specifications_[i-1].position_
- - 1, DOWN);
+ var.suggestion_ = get_configuration (specifications_[i-1].position_ - 1, DOWN,
+ specifications_[i-1].column_ranks_,
+ !specifications_[i-1].has_manual_delta_y_
+
+ );
vars.push_back (var);
}
if (i == ties.size() && !specifications_[i].has_manual_position_
Tie_configuration_variation var;
var.index_ = i;
var.suggestion_ = get_configuration (specifications_[i].position_
- + 1, UP);
+ + 1, UP,
+ specifications_[i].column_ranks_,
+ !specifications_[i].has_manual_delta_y_
+ );
vars.push_back (var);
}
}
Tie_configuration_variation var;
var.index_ = i;
var.suggestion_ = get_configuration (ties[i].position_ + ties[i].dir_,
- ties[i].dir_);
+ ties[i].dir_,
+ ties[i].column_ranks_,
+ !specifications_[i].has_manual_delta_y_
+ );
vars.push_back (var);
}
{
spec.has_manual_position_ = true;
spec.manual_position_ = scm_to_double (scm_car (entry));
+ spec.has_manual_delta_y_ = (scm_inexact_p (scm_car (entry)) == SCM_BOOL_T);
}
+
if (scm_is_number (scm_cdr (entry)))
{
spec.has_manual_dir_ = true;
}
}
+
+void
+Tie_formatting_problem::set_debug_scoring (Ties_configuration const &base)
+{
+#if DEBUG_TIE_SCORING
+ if (to_boolean (x_refpoint_->layout ()
+ ->lookup_variable (ly_symbol2scm ("debug-tie-scoring"))))
+ {
+ for (vsize i = 0; i < base.size(); i++)
+ {
+ string card = base.complete_tie_card (i);
+ specifications_[i].tie_grob_->set_property ("quant-score",
+ ly_string2scm (card));
+ }
+ }
+#endif
+}
projects / lilypond.git / blobdiff