/*
- tie-formatting-problem.cc -- implement Tie_formatting_problem
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2005--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <cstdio>
#include "tie-formatting-problem.hh"
+#include "axis-group-interface.hh"
#include "paper-column.hh"
-#include "bezier.hh"
+#include "bezier.hh"
#include "directional-element-interface.hh"
#include "libc-extension.hh"
#include "misc.hh"
#include "note-head.hh"
#include "rhythmic-head.hh"
-#include "spanner.hh"
+#include "spanner.hh"
#include "staff-symbol-referencer.hh"
#include "stem.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)
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");
+ programming_error ("Cannot find chord outline");
else
attachments[d] = i->second.height (y);
}
return attachments;
}
-Tie_formatting_problem::Tie_formatting_problem()
+Tie_formatting_problem::Tie_formatting_problem ()
{
x_refpoint_ = 0;
+ y_refpoint_ = 0;
+ use_horizontal_spacing_ = true;
}
Tie_formatting_problem::~Tie_formatting_problem ()
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);
Tuple2<int> key (column_rank, int (dir));
- if (stem
- && !Stem::is_invisible (stem))
+ if (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 (Stem::is_normal_stem (stem))
+ {
+ Interval x;
+ x.add_point (stem->relative_coordinate (x_refpoint_, X_AXIS));
+ x.widen (staff_space / 20); // ugh.
+ Interval y;
+
+ Real stem_end_position = 0.0;
+ if (Stem::is_cross_staff (stem))
+ stem_end_position = get_grob_direction (stem) * infinity_f;
+ else
+ {
+ if (use_horizontal_spacing_ || !Stem::get_beam (stem))
+ stem_end_position = Stem::stem_end_position (stem) * staff_space * .5;
+ else
+ stem_end_position = Stem::note_head_positions (stem)[get_grob_direction (stem)]
+ * staff_space * .5;
+ }
+
+ y.add_point (stem_end_position);
- Direction stemdir = get_grob_direction (stem);
- y.add_point (Stem::head_positions (stem)[-stemdir]
- * staff_space * .5);
+ Direction stemdir = get_grob_direction (stem);
+ y.add_point (Stem::head_positions (stem)[-stemdir]
+ * staff_space * .5);
- boxes.push_back (Box (x, y));
+ /*
+ add extents of stem.
+ */
+ boxes.push_back (Box (x, y));
- stem_extents_[key].unite (Box (x,y));
+ stem_extents_[key].unite (Box (x, y));
- if (dir == LEFT)
+ 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
{
- Box flag_box = Stem::get_translated_flag (stem).extent_box ();
- flag_box.translate( Offset (x[RIGHT], X_AXIS));
- boxes.push_back (flag_box);
+ 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;
+ x_ext[dir] = infinity_f * dir;
+ 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));
}
- }
- 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]);
+ 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.
+ */
+
+ 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->get_property ("stencil"); /* trigger tie-related suicide */
+
+ if (acc && acc->is_live () && dir == RIGHT)
+ {
+ boxes.push_back (Box (acc->extent (x_refpoint_, X_AXIS),
+ Staff_symbol_referencer::extent_in_staff (acc)));
+ }
- boxes.push_back (Box (x_ext, y_ext));
+ head_positions_[column_rank].add_point (int (Staff_symbol_referencer::get_position (heads[i])));
+ }
+
}
Direction updowndir = DOWN;
{
Interval x;
Interval y;
- if (head_boxes.size())
+ if (head_boxes.size ())
{
Box b = boundary (head_boxes, updowndir, 0);
x = b[X_AXIS];
while (flip (&updowndir) != DOWN);
/* todo: the horizon_padding is somewhat arbitrary */
- chord_outlines_[key] = Skyline (boxes, 0.1, Y_AXIS, -dir);
+ 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);
+ Interval iv (Axis_group_interface::staff_extent (bounds[0], x_refpoint_, X_AXIS, y_refpoint_, Y_AXIS));
+ if (iv.is_empty ())
+ iv.add_point (bounds[0]->relative_coordinate (x_refpoint_, X_AXIS));
+
+ chord_outlines_[key].set_minimum_height (iv[-dir]);
}
else
{
return;
x_refpoint_ = ties[0];
+ y_refpoint_ = ties[0];
for (vsize i = 0; i < ties.size (); i++)
{
- x_refpoint_ = dynamic_cast<Spanner*> (ties[i])->get_bound (LEFT)->common_refpoint (x_refpoint_, X_AXIS);
- x_refpoint_ = dynamic_cast<Spanner*> (ties[i])->get_bound (RIGHT)->common_refpoint (x_refpoint_, X_AXIS);
+ Spanner *tie = dynamic_cast<Spanner*> (ties[i]);
+ Item *l = tie->get_bound (LEFT);
+ Item *r = tie->get_bound (RIGHT);
+
+ x_refpoint_ = l->common_refpoint (x_refpoint_, X_AXIS);
+ x_refpoint_ = r->common_refpoint (x_refpoint_, X_AXIS);
+
+ if (!l->break_status_dir ())
+ y_refpoint_ = l->common_refpoint (y_refpoint_, Y_AXIS);
+ if (!r->break_status_dir ())
+ y_refpoint_ = r->common_refpoint (y_refpoint_, Y_AXIS);
}
details_.from_grob (ties[0]);
for (vsize i = 0; i < ties.size (); i++)
{
Item *it = dynamic_cast<Spanner*> (ties[i])->get_bound (d);
-
+ if (it->break_status_dir ())
+ it = it->get_column ();
+
bounds.push_back (it);
}
for (vsize i = 0; i < ties.size (); i++)
{
Tie_specification spec;
-
- spec.get_tie_manual_settings (ties[i]);
-
-
+ spec.from_grob (ties[i]);
do
{
spec.note_head_drul_[d] = Tie::head (ties[i], d);
- spec.column_ranks_[d] =
- dynamic_cast<Spanner*> (ties[i])->get_bound (d)->get_column ()->get_rank ();
+ spec.column_ranks_[d] = Tie::get_column_rank (ties[i], d);
}
while (flip (&d) != LEFT);
specifications_.push_back (spec);
{
if (semi_ties.empty ())
return;
-
+
+ use_horizontal_spacing_ = false;
details_.from_grob (semi_ties[0]);
vector<Item*> heads;
spec.position_ = int (Staff_symbol_referencer::get_position (head));
}
- spec.get_tie_manual_settings (semi_ties[i]);
+ spec.from_grob (semi_ties[i]);
spec.note_head_drul_[head_dir] = head;
- column_rank = dynamic_cast<Item*> (head)->get_column ()->get_rank ();
+ 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_ = semi_ties [0];
+ x_refpoint_ = semi_ties[0];
+ y_refpoint_ = semi_ties[0];
+
for (vsize i = 0; i < semi_ties.size (); i++)
- x_refpoint_ = semi_ties[i]->common_refpoint (x_refpoint_, X_AXIS);
+ {
+ x_refpoint_ = semi_ties[i]->common_refpoint (x_refpoint_, X_AXIS);
+ y_refpoint_ = semi_ties[i]->common_refpoint (y_refpoint_, Y_AXIS);
+ }
for (vsize i = 0; i < heads.size (); i++)
- x_refpoint_ = heads[i]->common_refpoint (x_refpoint_, X_AXIS);
+ {
+ x_refpoint_ = heads[i]->common_refpoint (x_refpoint_, X_AXIS);
+ y_refpoint_ = heads[i]->common_refpoint (y_refpoint_, Y_AXIS) ;
+ }
set_chord_outline (heads, head_dir);
Return configuration, create it if necessary.
*/
Tie_configuration*
-Tie_formatting_problem::get_configuration (int pos, Direction dir, Drul_array<int> columns) const
+Tie_formatting_problem::get_configuration (int pos, Direction dir, Drul_array<int> columns,
+ bool tune_dy) const
{
int key_components[] = {
pos, dir, columns[LEFT], columns[RIGHT]
}
- Tie_configuration *conf = generate_configuration (pos, dir, columns);
+ 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,
- Drul_array<int> columns) const
+ Drul_array<int> columns, bool y_tune) const
{
Tie_configuration *conf = new Tie_configuration;
conf->position_ = pos;
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_;
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->column_ranks_);
if (conf->height (details_) < details_.intra_space_threshold_ * 0.5 * details_.staff_space_)
{
}
{
- 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");
+ }
+
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
{
Real length = conf->attachment_x_.length ();
+ Real length_penalty
+ = peak_around (0.33 * details_.min_length_, details_.min_length_, length);
conf->add_score (details_.min_length_penalty_factor_
- * peak_around (0.33 * details_.min_length_, details_.min_length_, length),
- "minlength");
+ * length_penalty, "minlength");
Real tip_pos = conf->position_ + conf->delta_y_ / 0.5 * details_.staff_space_;
Real tip_y = tip_pos * details_.staff_space_ * 0.5;
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,
- spec.column_ranks_));
-
- if (spec.has_manual_position_)
- {
- confs.back ()->delta_y_
- = (spec.manual_position_ - spec.position_)
- * 0.5 * details_.staff_space_;
-
- break;
- }
- }
-
- 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;
- }
- }
-
- 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];
-
- 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;
- column_ranks_[RIGHT] =
- 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
-{
- return column_ranks_[RIGHT] - column_ranks_[LEFT];
-}
-
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");
+ }
}
/*
for (vsize i = 0; i < ties_config.size (); i++)
{
Tie_configuration * ptr = get_configuration (ties_config[i].position_, ties_config[i].dir_,
- ties_config[i].column_ranks_);
- if (specifications_[i].has_manual_position_)
+ 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
{
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;
for (vsize i = 0; i < vars.size (); i++)
{
Ties_configuration variant (base);
- variant[vars[i].index_] = *vars[i].suggestion_;
+ for (vsize j = 0; j < vars[i].index_suggestion_pairs_.size(); j++)
+ variant[vars[i].index_suggestion_pairs_[j].first] = *vars[i].index_suggestion_pairs_[j].second;
variant.reset_score ();
score_ties (&variant);
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;
}
tie_configs->at (0).dir_ = Direction (sign (tie_configs->at (0).position_));
if (!tie_configs->at (0).dir_)
- tie_configs->at (0).dir_ = DOWN;
+ tie_configs->at (0).dir_
+ = (tie_configs->size() > 1) ? DOWN : details_.neutral_direction_;
}
if (!tie_configs->back ().dir_)
}
}
- 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::Tie_configuration_variation ()
+vector<Tie_configuration_variation>
+Tie_formatting_problem::generate_extremal_tie_variations (Ties_configuration const &ties) const
{
- index_ = 0;
- suggestion_ = 0;
+ vector<Tie_configuration_variation> vars;
+ Direction d = DOWN;
+ for (int i = 1; i <= details_.multi_tie_region_size_; i++)
+ {
+ Drul_array<Tie_configuration*> configs (0, 0);
+ do
+ {
+ const Tie_configuration &config = boundary (ties, d, 0);
+ if (config.dir_ == d
+ && !boundary (specifications_, d, 0).has_manual_position_)
+ {
+ Tie_configuration_variation var;
+ configs[d] = get_configuration (config.position_ + d * i, d,
+ config.column_ranks_,
+ true);
+ var.add_suggestion((d == DOWN) ? 0 : ties.size () - 1,
+ configs[d]);
+ vars.push_back (var);
+ }
+ }
+ while (flip (&d) != DOWN);
+ if (configs[LEFT] && configs[RIGHT])
+ {
+ Tie_configuration_variation var;
+ var.add_suggestion(0, configs[DOWN]);
+ var.add_suggestion(ties.size() - 1, configs[UP]);
+ vars.push_back (var);
+ }
+ }
+
+ return vars;
}
vector<Tie_configuration_variation>
-Tie_formatting_problem::generate_extremal_tie_variations (Ties_configuration const &ties) const
+Tie_formatting_problem::generate_single_tie_variations (Ties_configuration const &ties) const
{
vector<Tie_configuration_variation> vars;
- Direction d = DOWN;
- do
+
+ int sz = details_.single_tie_region_size_;
+ if (specifications_[0].has_manual_position_)
+ sz = 1;
+ for (int i = 0; i < sz; i ++)
{
- if (boundary (ties, d, 0).dir_ == d
- && !boundary (specifications_, d, 0).has_manual_position_)
- for (int i = 1; i <= details_.multi_tie_region_size_; i++)
- {
- Tie_configuration_variation var;
- var.index_ = (d == DOWN) ? 0 : ties.size () - 1;
- var.suggestion_ = get_configuration (boundary (ties, d, 0).position_
- + d * i, d,
- boundary (ties, d, 0).column_ranks_);
- vars.push_back (var);
- }
+ 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.add_suggestion(0,
+ get_configuration (p,
+ d, specifications_[0].column_ranks_,
+ !specifications_[0].has_manual_delta_y_));
+ vars.push_back (var);
+ }
+ }
+ while (flip (&d) != LEFT);
}
- while (flip (&d) != DOWN);
-
return vars;
}
if (!specifications_[i].has_manual_dir_)
{
Tie_configuration_variation var;
- var.index_ = i;
- var.suggestion_ = get_configuration (specifications_[i].position_
+ var.add_suggestion(i,
+ get_configuration (specifications_[i].position_
- ties[i].dir_,
- ties[i].dir_,
- ties[i].column_ranks_
- );
+ ties[i].column_ranks_,
+ !specifications_[i].has_manual_delta_y_
+ ));
vars.push_back (var);
}
if (!specifications_[i-1].has_manual_dir_)
{
Tie_configuration_variation var;
- var.index_ = i-1;
- var.suggestion_ = get_configuration (specifications_[i-1].position_
- - ties[i-1].dir_,
- - ties[i-1].dir_,
- specifications_[i-1].column_ranks_);
+ var.add_suggestion(i-1,
+ get_configuration (specifications_[i-1].position_
+ - ties[i-1].dir_,
+ - ties[i-1].dir_,
+ specifications_[i-1].column_ranks_,
+ !specifications_[i-1].has_manual_delta_y_));
vars.push_back (var);
}
&& ties[i-1].dir_ == DOWN)
{
Tie_configuration_variation var;
- var.index_ = i-1;
- var.suggestion_ = get_configuration (specifications_[i-1].position_ - 1, DOWN,
- specifications_[i-1].column_ranks_);
+ var.add_suggestion(i-1,
+ 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_
+ if (i == ties.size () && !specifications_[i].has_manual_position_
&& ties[i].dir_ == UP)
{
Tie_configuration_variation var;
- var.index_ = i;
- var.suggestion_ = get_configuration (specifications_[i].position_
- + 1, UP,
- specifications_[i].column_ranks_);
+ var.add_suggestion(i,
+ get_configuration (specifications_[i].position_
+ + 1, UP,
+ specifications_[i].column_ranks_,
+ !specifications_[i].has_manual_delta_y_
+ ));
vars.push_back (var);
}
}
&& !specifications_[i].has_manual_position_)
{
Tie_configuration_variation var;
- var.index_ = i;
- var.suggestion_ = get_configuration (ties[i].position_ + ties[i].dir_,
- ties[i].dir_,
- ties[i].column_ranks_);
+ var.add_suggestion(i,
+ get_configuration (ties[i].position_ + 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 ("annotation",
+ ly_string2scm (card));
+ }
+ }
+#endif
+}