X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftuplet-spanner.cc;h=fbb5f04872a2530f174f15d54cba86bb181de47a;hb=42c6cca28cdfb8f06e65429e28deb198df915e16;hp=7fa4e3e992ae5c83fc523d2014cfaee5543fa8d6;hpb=2873636a53f0011f837aaf6e2072de602730d957;p=lilypond.git diff --git a/lily/tuplet-spanner.cc b/lily/tuplet-spanner.cc index 7fa4e3e992..fbb5f04872 100644 --- a/lily/tuplet-spanner.cc +++ b/lily/tuplet-spanner.cc @@ -3,9 +3,10 @@ source file of the GNU LilyPond music typesetter - (c) 1997--1999 Jan Nieuwenhuizen + (c) 1997--2000 Jan Nieuwenhuizen */ + #include "beam.hh" #include "box.hh" #include "debug.hh" @@ -17,135 +18,251 @@ #include "stem.hh" #include "note-column.hh" #include "dimensions.hh" +#include "group-interface.hh" +#include "directional-element-interface.hh" -Tuplet_spanner::Tuplet_spanner () +Tuplet_spanner::Tuplet_spanner (SCM s) + : Spanner (s) { - parallel_beam_b_ = false; + set_elt_pointer ("beams", SCM_EOL); + set_elt_pointer ("columns", SCM_EOL); + + // ugh. + set_elt_property ("delta-y", gh_int2scm (0)); } /* TODO. */ -Molecule* -Tuplet_spanner::do_brew_molecule_p () const +MAKE_SCHEME_SCORE_ELEMENT_CALLBACKS(Tuplet_spanner) +Molecule +Tuplet_spanner::do_brew_molecule () const { - Molecule* mol_p = new Molecule; + Molecule mol; // Default behaviour: number always, bracket when no beam! - bool bracket_visibility = !parallel_beam_b_; + bool par_beam = to_boolean (get_elt_property ("parallel-beam")); + bool bracket_visibility = !par_beam; bool number_visibility = true; - SCM visibility_sym =get_elt_property ("tuplet-visibility"); - if (visibility_sym != SCM_UNDEFINED) + + SCM bracket = get_elt_property ("tuplet-bracket-visibility"); + if (gh_boolean_p (bracket)) { - /* - ARG. Fixme. - */ - - /* Property values: - 0 show nothing - 1 show number - 2 show (number and bracket)-if-no-beam - 3 show number, and bracket-if-no-beam - 4 show number, and bracket - */ - int value = gh_scm2int ((visibility_sym)); - bracket_visibility = (value == 4 || (value > 1 && !parallel_beam_b_)); - number_visibility = (value > 2 || value == 1 || - (value == 2 && !parallel_beam_b_)); + bracket_visibility = gh_scm2bool (bracket); } + else if (bracket == ly_symbol2scm ("if-no-beam")) + bracket_visibility = !par_beam; + + SCM numb = get_elt_property ("tuplet-number-visibility"); + if (gh_boolean_p (numb)) + { + number_visibility = gh_scm2bool (numb); + } + else if (bracket == ly_symbol2scm ("if-no-beam")) + number_visibility = !par_beam; - if (column_arr_.size ()){ - Real ncw = column_arr_.top ()->extent (X_AXIS).length (); - Real w = extent (X_AXIS).length () + ncw; - Molecule num (lookup_l ()->text ("italic", - number_str_, paper_l ())); - num.align_to (X_AXIS, CENTER); - num.translate_axis (w/2, X_AXIS); - Real interline = paper_l ()->get_var ("interline"); - Real dy = column_arr_.top ()->extent (Y_AXIS) [dir_] - - column_arr_[0]->extent (Y_AXIS) [dir_]; - num.align_to (Y_AXIS, CENTER); - num.translate_axis (dir_ * interline, Y_AXIS); + if (gh_pair_p (get_elt_pointer ("columns"))) + { + Link_array column_arr= + Pointer_group_interface__extract_elements (this, (Note_column*)0, "columns"); - num.translate_axis (dy/2, Y_AXIS); - - Real thick = paper_l ()->get_var ("tuplet-thick"); - if (bracket_visibility) - { - Real gap = paper_l () -> get_var ("tuplet_spanner_gap"); + Real ncw = column_arr.top ()->extent(X_AXIS).length (); + Real w = spanner_length () + ncw; + + + Real staff_space = paper_l ()->get_var ("interline"); + Direction dir = directional_element (this).get (); + Real dy = gh_scm2double (get_elt_property ("delta-y")); + SCM number = get_elt_property ("text"); + if (gh_string_p (number) && number_visibility) + { + Molecule + num (lookup_l ()->text ("italic", + ly_scm2string (number), paper_l ())); + num.align_to (X_AXIS, CENTER); + num.translate_axis (w/2, X_AXIS); + num.align_to (Y_AXIS, CENTER); + num.translate_axis (dir * staff_space, Y_AXIS); - mol_p->add_molecule (lookup_l ()->tuplet_bracket (dy, w, thick, gap, interline, dir_)); - } - - if (number_visibility) - { - mol_p->add_molecule (num); - } - mol_p->translate_axis (dir_ * interline, Y_AXIS); - } - return mol_p; + num.translate_axis (dy/2, Y_AXIS); + + mol.add_molecule (num); + } + + Real thick = paper_l ()->get_var ("tuplet_thick"); + if (bracket_visibility) + { + Real gap = paper_l () -> get_var ("tuplet_spanner_gap"); + Real height = staff_space; + SCM at =gh_list(ly_symbol2scm ("tuplet"), + gh_double2scm (height), + gh_double2scm (gap), + gh_double2scm (w), + gh_double2scm (dy), + gh_double2scm (thick), + gh_int2scm (dir), + SCM_UNDEFINED); + + Box b; + mol.add_molecule (Molecule (b, at)); + } + + //mol.translate_axis (dir * staff_space, Y_AXIS); + } + return mol; } void Tuplet_spanner::do_add_processing () { - if (column_arr_.size ()) + if (gh_pair_p (get_elt_pointer ("columns"))) { - set_bounds (LEFT, column_arr_[0]); - set_bounds (RIGHT, column_arr_.top ()); + Link_array column_arr= + Pointer_group_interface__extract_elements (this, (Note_column*)0, "columns"); + + set_bound (LEFT, column_arr[0]); + set_bound (RIGHT, column_arr.top ()); } } - + + + +/* + use first -> last note for slope, and then correct for disturbing + notes in between. */ void -Tuplet_spanner::do_post_processing () +Tuplet_spanner::calc_position_and_height (Real *offset, Real * dy) const { - if (column_arr_.size()) - translate_axis (column_arr_[0]->extent (Y_AXIS)[dir_], Y_AXIS); + Link_array column_arr= + Pointer_group_interface__extract_elements (this, (Note_column*)0, "columns"); + + + Score_element * common = common_refpoint (get_elt_pointer ("columns"), Y_AXIS); + + Direction d = directional_element (this).get (); - if (beam_l_arr_.size () == 1) + /* + Use outer non-rest columns to determine slope + */ + int l = 0; + while (l rest_b()) + l ++; + + int r = column_arr.size ()- 1; + while (r >= l && column_arr[r]->rest_b()) + r--; + + if (l < r) { - Beam * beam_l = beam_l_arr_[0]; - if (!broken_b () - && spanned_drul_[LEFT]->column_l () == beam_l->spanned_drul_[LEFT]->column_l () - && spanned_drul_[RIGHT]->column_l () == beam_l->spanned_drul_[RIGHT]->column_l ()) - parallel_beam_b_ = true; + *dy = column_arr[r]->extent (Y_AXIS) [d] + column_arr[r]->relative_coordinate (common, Y_AXIS) + - column_arr[l]->extent (Y_AXIS) [d] - column_arr[l]->relative_coordinate (common, Y_AXIS); } + else + * dy = 0; + - // if (column_arr_.size () == 1) - // bracket_visibility_b_ = false; + *offset = - d * infinity_f; + + if (!column_arr.size ()) + return; + + Real x0 = column_arr[0]->relative_coordinate (0, X_AXIS); + Real x1 = column_arr.top ()->relative_coordinate (0, X_AXIS); + + Real factor = column_arr.size () > 1 ? 1/(x1 - x0) : 1.0; + + for (int i = 0; i < column_arr.size (); i++) + { + Real notey = column_arr[i]->extent (Y_AXIS)[d] + + column_arr[i]->relative_coordinate (common, Y_AXIS) + ; + Real x = column_arr[i]->relative_coordinate (0, X_AXIS) - x0; + Real tuplety = *dy * x * factor; + + if (notey * d > (*offset + tuplety) * d) + *offset = notey - tuplety; + } +} + +/* + use first -> last note for slope, +*/ +void +Tuplet_spanner::calc_dy (Real * dy) const +{ + Link_array column_arr= + Pointer_group_interface__extract_elements (this, (Note_column*)0, "columns"); + + + Direction d = directional_element (this).get (); + *dy = column_arr.top ()->extent (Y_AXIS) [d] + - column_arr[0]->extent (Y_AXIS) [d]; } void -Tuplet_spanner::do_substitute_element_pointer (Score_element* o, Score_element* n) +Tuplet_spanner::after_line_breaking () { - if (Note_column *onc = dynamic_cast (o)) - column_arr_.substitute (onc, dynamic_cast (n)); - else if (Beam * b = dynamic_cast (o)) + Link_array column_arr= + Pointer_group_interface__extract_elements (this, (Note_column*)0, "columns"); + + if (!column_arr.size ()) { - beam_l_arr_.substitute (b, dynamic_cast (n)); + suicide (); + } + + Direction d = directional_element (this).get (); + if (!d) + { + d = get_default_dir (); + directional_element (this).set (d); + + } + Real dy, offset; + + calc_position_and_height (&offset,&dy); + + set_elt_property ("delta-y", gh_double2scm (dy)); + + translate_axis (offset, Y_AXIS); + + if (scm_ilength (get_elt_pointer ("beams")) == 1) + { + SCM bs = get_elt_pointer ("beams"); + Score_element *b = unsmob_element (gh_car (bs)); + Beam * beam_l = dynamic_cast (b); + if (!broken_b () + && get_bound (LEFT)->column_l () == beam_l->get_bound (LEFT)->column_l () + && get_bound (RIGHT)->column_l () == beam_l->get_bound (RIGHT)->column_l ()) + set_elt_property ("parallel-beam", SCM_BOOL_T); } } + Direction Tuplet_spanner::get_default_dir () const { Direction d = UP; SCM dir_sym =get_elt_property ("dir-forced"); - if (dir_sym != SCM_UNDEFINED) { - d= (Direction) gh_scm2int (dir_sym); - if (d != CENTER) - return d; - } + if (isdir_b (dir_sym)) + { + d= to_dir (dir_sym); + if (d != CENTER) + return d; + } - for (int i=0; i < column_arr_.size (); i ++) + d = UP ; + for (SCM s = get_elt_pointer ("columns"); gh_pair_p (s); s = gh_cdr (s)) { - if (column_arr_[i]->dir () < 0) + Score_element * sc = unsmob_element (gh_car (s)); + Note_column * nc = dynamic_cast (sc); + if (nc->dir () < 0) { d = DOWN; break; } } + return d; } @@ -153,13 +270,16 @@ void Tuplet_spanner::add_beam (Beam *b) { add_dependency (b); - beam_l_arr_.push (b); + Pointer_group_interface gi (this, "beams"); + gi.add_element (b); } void Tuplet_spanner::add_column (Note_column*n) { - column_arr_.push (n); + Pointer_group_interface gi (this, "columns"); + gi.add_element (n); + add_dependency (n); }