X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftie.cc;h=f02cddacf84a8f107cc637dcf72121c3c48332eb;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=c22cb49c194421e1cea435c93da47fe0f63d4358;hpb=545092a25d8ca41dc90b87482474b3719f7130a9;p=lilypond.git diff --git a/lily/tie.cc b/lily/tie.cc index c22cb49c19..f02cddacf8 100644 --- a/lily/tie.cc +++ b/lily/tie.cc @@ -3,30 +3,37 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2005 Han-Wen Nienhuys + (c) 1997--2008 Han-Wen Nienhuys */ #include "tie.hh" -#include "spanner.hh" + +#include "main.hh" +#include "bezier.hh" +#include "directional-element-interface.hh" +#include "font-interface.hh" +#include "grob-array.hh" #include "lookup.hh" +#include "note-head.hh" #include "output-def.hh" -#include "rhythmic-head.hh" -#include "bezier.hh" #include "paper-column.hh" -#include "warn.hh" +#include "pointer-group-interface.hh" +#include "rhythmic-head.hh" +#include "spanner.hh" #include "staff-symbol-referencer.hh" -#include "directional-element-interface.hh" -#include "bezier.hh" #include "stem.hh" -#include "note-head.hh" +#include "text-interface.hh" #include "tie-column.hh" -#include "grob-array.hh" +#include "tie-configuration.hh" +#include "tie-formatting-problem.hh" +#include "warn.hh" +#include "semi-tie-column.hh" -int -Tie::compare (Grob *const &s1, - Grob *const &s2) + +bool +Tie::less (Grob *const &s1, Grob *const &s2) { - return sign (Tie::get_position (s1) - Tie::get_position (s2)); + return Tie::get_position (s1) < Tie::get_position (s2); } void @@ -38,6 +45,15 @@ Tie::set_head (Grob *me, Direction d, Grob *h) Grob * Tie::head (Grob *me, Direction d) { + if (is_direction (me->get_property ("head-direction"))) + { + Direction hd = to_dir (me->get_property ("head-direction")); + + return (hd == d) + ? unsmob_grob (me->get_object ("note-head")) + : 0; + } + Item *it = dynamic_cast (me)->get_bound (d); if (Note_head::has_interface (it)) return it; @@ -65,7 +81,7 @@ Tie::get_position (Grob *me) { Grob *h = head (me, d); if (h) - return (int) Staff_symbol_referencer::get_position (h); + return (int) rint (Staff_symbol_referencer::get_position (h)); } while (flip (&d) != LEFT); @@ -93,354 +109,95 @@ Tie::get_position (Grob *me) Direction Tie::get_default_dir (Grob *me) { - Item *sl = head (me, LEFT) ? Rhythmic_head::get_stem (head (me, LEFT)) : 0; - Item *sr = head (me, RIGHT) ? Rhythmic_head::get_stem (head (me, RIGHT)) : 0; - if (sl && sr) + Drul_array stems; + Direction d = LEFT; + do { - if (get_grob_direction (sl) == UP - && get_grob_direction (sr) == UP) + Grob *one_head = head (me, d); + if (!one_head && dynamic_cast (me)) + one_head = Tie::head (dynamic_cast (me)->broken_neighbor (d), d); + + Grob *stem = one_head ? Rhythmic_head::get_stem (one_head) : 0; + if (stem) + stem = Stem::is_invisible (stem) ? 0 : stem; + + stems[d] = stem; + } + while (flip (&d)!= LEFT); + + if (stems[LEFT] && stems[RIGHT]) + { + if (get_grob_direction (stems[LEFT]) == UP + && get_grob_direction (stems[RIGHT]) == UP) return DOWN; } - else if (sl || sr) + else if (stems[LEFT] || stems[RIGHT]) { - Item *s = sl ? sl : sr; + Grob *s = stems[LEFT] ? stems[LEFT] : stems[RIGHT]; return -get_grob_direction (s); } - - return UP; + else if (int p = get_position (me)) + return Direction (sign (p)); + + return to_dir (me->get_property("neutral-direction")); } -MAKE_SCHEME_CALLBACK(Tie, calc_direction, 1); +MAKE_SCHEME_CALLBACK (Tie, calc_direction, 1); SCM Tie::calc_direction (SCM smob) { Grob *me = unsmob_grob (smob); Grob *yparent = me->get_parent (Y_AXIS); - if (Tie_column::has_interface (yparent) + if ((Tie_column::has_interface (yparent) + || Semi_tie_column::has_interface (yparent)) && unsmob_grob_array (yparent->get_object ("ties")) - && unsmob_grob_array (yparent->get_object ("ties"))->size () > 1) + // && unsmob_grob_array (yparent->get_object ("ties"))->size () > 1 + ) { /* trigger positioning. */ (void) yparent->get_property ("positioning-done"); - } - else - set_grob_direction (me, Tie::get_default_dir (me)); - - return SCM_UNSPECIFIED; -} - -Interval -Tie::get_default_attachments (Spanner *me, Grob *common, Real gap, - int *staff_position, - bool *in_between, - Tie_details const &details - ) -{ - Real staff_space = Staff_symbol_referencer::staff_space (me); - Direction dir = get_grob_direction (me); - Interval attachments; - Direction d = LEFT; - do - { - attachments[d] - = robust_relative_extent (me->get_bound (d), - common, - X_AXIS)[-d] - - gap * d; - } - while (flip (&d) != LEFT); - - if (attachments.length () < details.between_length_limit_ * staff_space) - { - /* - Let short ties start over note heads, instead of between. - */ - Drul_array allow (true, true); - - Direction d = LEFT; - do { - if (Note_head::has_interface (me->get_bound (d))) - { - Grob *stem = unsmob_grob (me->get_bound (d)->get_object ("stem")); - if (get_grob_direction (stem) == dir - && -d == dir) - allow[d] = false; - } - } while (flip (&d) != LEFT); - - if (allow[LEFT] && allow[RIGHT]) - { - *staff_position += dir; - do - { - if (Note_head::has_interface (me->get_bound (d))) - { - Interval extent - = robust_relative_extent (me->get_bound (d), - common, X_AXIS); - - attachments[d] = extent.linear_combination (- 0.5 * d); - *in_between = false; - } - } - while (flip (&d) != LEFT); - } - } - - return attachments; -} - -Interval -get_skyline_attachment (Drul_array< Array < Skyline_entry > > const &skylines, - Real y) -{ - Interval attachments; - Direction d = LEFT; - do - { - attachments[d] = skyline_height (skylines[d], y, -d); - } - while (flip (&d) != LEFT); - - return attachments; -} - -void -Tie::get_configuration (Grob *me_grob, Grob *common, - Tie_configuration *conf, - Drul_array< Array < Skyline_entry > > const *skylines, - Tie_details const &details - ) -{ - Spanner *me = dynamic_cast (me_grob); - if (!head (me, LEFT) && !head (me, RIGHT)) - { - programming_error ("tie without heads"); - me->suicide (); - return ; - } - - /* - UGH. Don't mirror Tie_configuration. - */ - conf->head_position_ = (int) Tie::get_position (me); - if (!conf->dir_) - conf->dir_ = get_grob_direction (me); - if (!conf->dir_) - conf->dir_ = get_default_dir (me); - - Real staff_space = details.staff_space_; - bool in_between = true; - Real gap = robust_scm2double (me->get_property ("x-gap"), 0.2); - - if (conf->attachment_x_.is_empty()) - { - if (!skylines) - conf->attachment_x_ = get_default_attachments (me, common, gap, - &conf->position_, - &in_between, details); - else - { - Real y = staff_space * 0.5 * conf->position_; - conf->attachment_x_ = get_skyline_attachment (*skylines, y); - conf->attachment_x_.widen (-gap); - } - } - - Bezier b = slur_shape (conf->attachment_x_.length(), - details.height_limit_, - details.ratio_); - b.scale (1, conf->dir_); - - Offset middle = b.curve_point (0.5); - Offset edge = b.curve_point (0.0); - - conf->position_ = int (rint (conf->position_)); - - Real dy = fabs (middle[Y_AXIS] - edge[Y_AXIS]); - bool in_space = !(Staff_symbol_referencer::on_staffline (me, (int) conf->position_)); - bool fits_in_space = - (dy < 0.6 * staff_space); - - /* - Avoid dot - */ - Grob *left_dot = unsmob_grob (me->get_bound (LEFT)->get_object ("dot")); - int dot_pos = left_dot - ? int (Staff_symbol_referencer::get_position (left_dot)) - : 0; - if (left_dot - && (conf->position_ == dot_pos - || conf->position_ + conf->dir_ == dot_pos)) - { - conf->position_ += conf->dir_; - in_space = !in_space; - if (skylines) - { - Real y = staff_space * 0.5 * conf->position_; - conf->attachment_x_ = get_skyline_attachment (*skylines, y); - conf->attachment_x_.widen (-gap); - Bezier b = slur_shape (conf->attachment_x_.length(), - details.height_limit_, - details.ratio_); - Offset middle = b.curve_point (0.5); - Offset edge = b.curve_point (0.0); - dy = fabs (middle[Y_AXIS] - edge[Y_AXIS]); - fits_in_space = - (dy < 0.6 * staff_space); - } - } - - /* - Avoid flag. - */ - Grob *left_stem = unsmob_grob (me->get_bound (LEFT)->get_object ("stem")); - if (left_stem) - { - Stencil flag = Stem::get_translated_flag (left_stem); - Real y = conf->position_ * staff_space * 0.5; - if (flag.extent (Y_AXIS).contains (y)) - { - conf->position_ += conf->dir_; - in_space = !in_space; - } - } - - if (in_space != fits_in_space) - { - if (in_space) - { - conf->position_ += conf->dir_; - } - else - { - in_space = true; - conf->position_ += conf->dir_; - } - - /* - ugh: code dup. - */ - if (skylines) - { - Real y = staff_space * 0.5 * conf->position_; - conf->attachment_x_ = get_skyline_attachment (*skylines, y); - conf->attachment_x_.widen (-gap); - - Bezier b = slur_shape (conf->attachment_x_.length(), - details.height_limit_, - details.ratio_); - Offset middle = b.curve_point (0.5); - Offset edge = b.curve_point (0.0); - dy = fabs (middle[Y_AXIS] - edge[Y_AXIS]); - fits_in_space = - (dy < 0.6 * staff_space); - } - } - - - /* - Putting larger in-space ties next to the notes forces - the edges to be opposite (Y-wise) to the tie direction. - */ - if (conf->position_ == conf->head_position_ - && in_space - && Staff_symbol_referencer::staff_radius (me) > abs (conf->position_) / 2 - && dy > 0.3 * staff_space - ) - { - conf->position_ += 2 * conf->dir_; - } - - if (!in_between - && in_space - && abs (conf->position_ - conf->head_position_) <= 1) - conf->position_ += 2*conf->dir_; - - - if (in_space) - { - if ((abs (conf->position_ - conf->head_position_) <= 1 - && fabs (dy) < 0.45 * staff_space) - || fabs (dy) < 0.6 * staff_space) - { - /* - vertically center in space. - */ - conf->center_tie_vertically (details); - } - else - { - conf->delta_y_ = - conf->dir_ * staff_space * (- 0.3); - } + return me->get_property_data ("direction"); } else - { - Real where = 0.5 * conf->dir_; - - Real rounding_dy = (where - middle[Y_AXIS]); - conf->delta_y_ = rounding_dy; - - if (conf->dir_ * (b.curve_point (0.0)[Y_AXIS] - + conf->position_ * staff_space * 0.5 - + conf->delta_y_) < - conf->dir_ * conf->head_position_ * 0.5 * staff_space) - { - if (Staff_symbol_referencer::staff_radius (me) > abs (conf->head_position_) / 2) - conf->position_ += 2 * conf->dir_; - else - conf->position_ += conf->dir_; - } - } - - - if (skylines) - { - Real half_space = 0.5 * staff_space; - Real y = conf->position_ * half_space; - - conf->attachment_x_ = get_skyline_attachment (*skylines, y); - conf->attachment_x_.widen (-gap); - } + return scm_from_int (Tie::get_default_dir (me)); } -void -Tie::set_default_control_points (Grob *me_grob) +SCM +Tie::get_default_control_points (Grob *me_grob) { Spanner *me = dynamic_cast (me_grob); Grob *common = me; common = me->get_bound (LEFT)->common_refpoint (common, X_AXIS); common = me->get_bound (RIGHT)->common_refpoint (common, X_AXIS); - Tie_configuration conf; - int tie_position = (int) Tie::get_position (me); - conf.position_ = tie_position; + Tie_formatting_problem problem; + problem.from_tie (me); - Tie_details details; - details.init (me); - get_configuration (me, common, &conf, 0, details); - set_control_points (me, common, conf, details); + Tie_specification spec = problem.get_tie_specification (0); + if (!me->is_live ()) + return SCM_EOL; + + + Ties_configuration conf + = problem.generate_optimal_configuration (); + + return get_control_points (me, problem.common_x_refpoint (), + conf[0], problem.details_); } -void -Tie::set_control_points (Grob *me, +SCM +Tie::get_control_points (Grob *me, Grob *common, Tie_configuration const &conf, Tie_details const &details ) { - Bezier b = conf.get_bezier (details); - b.scale (1, conf.dir_); - b.translate (Offset (conf.attachment_x_[LEFT] - - me->relative_coordinate (common, X_AXIS), - 0.5 * conf.position_ * details.staff_space_ - + conf.delta_y_ - )); - + Bezier b = conf.get_transformed_bezier (details); + b.translate (Offset (- me->relative_coordinate (common, X_AXIS), 0)); + SCM controls = SCM_EOL; for (int i = 4; i--;) { @@ -448,27 +205,44 @@ Tie::set_control_points (Grob *me, programming_error ("Insane offset"); controls = scm_cons (ly_offset2scm (b.control_[i]), controls); } - me->set_property ("control-points", controls); + return controls; } -MAKE_SCHEME_CALLBACK(Tie, calc_control_points, 1); +MAKE_SCHEME_CALLBACK (Tie, calc_control_points, 1); SCM Tie::calc_control_points (SCM smob) { Grob *me = unsmob_grob (smob); - // trigger Tie-column - (void) get_grob_direction (me); + Grob *yparent = me->get_parent (Y_AXIS); + if ((Tie_column::has_interface (yparent) + || Semi_tie_column::has_interface (yparent)) + && unsmob_grob_array (yparent->get_object ("ties"))) + { + extract_grob_set (yparent, "ties", ties); + if (me->original() && ties.size() == 1 + && !to_dir (me->get_property_data ("direction"))) + { + assert (ties[0] == me); + set_grob_direction (me, Tie::get_default_dir (me)); + + } + /* trigger positioning. */ + (void) yparent->get_property ("positioning-done"); + } - if (!scm_is_pair (me->get_property ("control-points"))) + SCM cp = me->get_property_data ("control-points"); + if (!scm_is_pair (cp)) { - set_default_control_points (me); + cp = get_default_control_points (me); } - return SCM_UNSPECIFIED; + return cp; } - +/* + TODO: merge with Slur::print. + */ MAKE_SCHEME_CALLBACK (Tie, print, 1); SCM Tie::print (SCM smob) @@ -478,12 +252,12 @@ Tie::print (SCM smob) SCM cp = me->get_property ("control-points"); Real staff_thick = Staff_symbol_referencer::line_thickness (me); - Real base_thick = robust_scm2double (me->get_property ("thickness"), 1); - Real thick = base_thick * staff_thick; + Real base_thick = staff_thick * robust_scm2double (me->get_property ("thickness"), 1); + Real line_thick = staff_thick * robust_scm2double (me->get_property ("line-thickness"), 1); Bezier b; int i = 0; - for (SCM s = cp; s != SCM_EOL; s = scm_cdr (s)) + for (SCM s = cp; scm_is_pair (s); s = scm_cdr (s)) { b.control_[i] = ly_scm2offset (scm_car (s)); i++; @@ -495,29 +269,66 @@ Tie::print (SCM smob) SCM f = me->get_property ("dash-fraction"); if (scm_is_number (p) && scm_is_number (f)) a = Lookup::dashed_slur (b, - thick, + line_thick, robust_scm2double (p, 1.0), robust_scm2double (f, 0)); else a = Lookup::slur (b, - get_grob_direction (me) * staff_thick, - thick); + get_grob_direction (me) * base_thick, + line_thick); + +#if DEBUG_TIE_SCORING + SCM annotation = me->get_property ("annotation"); + if (!scm_is_string (annotation)) + { + SCM debug = me->layout ()->lookup_variable (ly_symbol2scm ("debug-tie-scoring")); + if (to_boolean (debug)) + annotation = me->get_property ("quant-score"); + } + if (scm_is_string (annotation)) + { + string str; + SCM properties = Font_interface::text_font_alist_chain (me); + + Stencil tm = *unsmob_stencil (Text_interface::interpret_markup + (me->layout ()->self_scm (), properties, + annotation)); + tm.translate (Offset (b.control_[3][X_AXIS] + 0.5, + b.control_[0][Y_AXIS] * 2)); + tm = tm.in_color (1, 0, 0); + + /* + It would be nice if we could put this in a different layer, + but alas, this must be done with a Tie override. + */ + a.add_stencil (tm); + } +#endif return a.smobbed_copy (); } ADD_INTERFACE (Tie, - "tie-interface", - - "A tie connecting two noteheads. \n\n" - , + "A horizontal curve connecting two noteheads.", - /* properties */ + "annotation " + "avoid-slur " // UGH. "control-points " "dash-fraction " "dash-period " "details " "direction " + "head-direction " + "line-thickness " + "neutral-direction " + "quant-score " + "separation-item " + "staff-position " "thickness " - "x-gap "); + ); + + + + +