X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fnote-column.cc;h=b3f7e4aab9e350d22b64d3e536b69b50f8cd9f0b;hb=90e4d7057f3857da049dfda3d130017d4719bd6b;hp=123535c75ef897002148397ab865f24a3840c9f9;hpb=e86f6ec25d504aaedd55cd2d062194b6c29802fd;p=lilypond.git diff --git a/lily/note-column.cc b/lily/note-column.cc index 123535c75e..b3f7e4aab9 100644 --- a/lily/note-column.cc +++ b/lily/note-column.cc @@ -1,184 +1,255 @@ /* - note-column.cc -- implement Note_column + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 1997--2015 Han-Wen Nienhuys - (c) 1997--2004 Han-Wen Nienhuys + 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 . */ -#include // ceil -#include "axis-group-interface.hh" #include "note-column.hh" + +#include // ceil +using namespace std; + +#include "accidental-placement.hh" +#include "axis-group-interface.hh" +#include "directional-element-interface.hh" +#include "international.hh" +#include "item.hh" +#include "note-head.hh" +#include "output-def.hh" +#include "pointer-group-interface.hh" +#include "rest.hh" +#include "staff-symbol-referencer.hh" #include "stem.hh" #include "warn.hh" -#include "paper-def.hh" -#include "group-interface.hh" -#include "staff-symbol-referencer.hh" -#include "rest.hh" -#include "note-head.hh" -#include "accidental-placement.hh" /* TODO: figure out if we can prune this class. This is just an annoying layer between (rest)collision & (note-head + stem) - */ +*/ bool -Note_column::has_rests (Grob*me) +Note_column::has_rests (Grob *me) { - return unsmob_grob (me->get_property ("rest")); + return unsmob (me->get_object ("rest")); } -int -Note_column::shift_compare (Grob *const &p1, Grob *const&p2) +bool +Note_column::shift_less (Grob *const &p1, Grob *const &p2) { SCM s1 = p1->get_property ("horizontal-shift"); SCM s2 = p2->get_property ("horizontal-shift"); - int h1 = (gh_number_p (s1))? gh_scm2int (s1) :0; - int h2 = (gh_number_p (s2)) ? gh_scm2int (s2):0; - return h1 - h2; + int h1 = (scm_is_number (s1)) ? scm_to_int (s1) : 0; + int h2 = (scm_is_number (s2)) ? scm_to_int (s2) : 0; + return h1 < h2; } Item * -Note_column::get_stem (Grob*me) +Note_column::get_stem (Grob *me) { - SCM s = me->get_property ("stem"); - return unsmob_item (s); + SCM s = me->get_object ("stem"); + return unsmob (s); +} + +Item * +Note_column::get_flag (Grob *me) +{ + Item *stem = get_stem (me); + if (stem) + { + SCM s = stem->get_object ("flag"); + return unsmob (s); + } + return 0; } - + Slice Note_column::head_positions_interval (Grob *me) { - Slice iv; + Slice iv; iv.set_empty (); - SCM h = me->get_property ("note-heads"); - for (; gh_pair_p (h); h = ly_cdr (h)) + extract_grob_set (me, "note-heads", heads); + for (vsize i = 0; i < heads.size (); i++) { - Grob *se = unsmob_grob (ly_car (h)); - - int j = (int)rint (Staff_symbol_referencer::get_position (se)); - iv.unite (Slice (j,j)); + Grob *se = heads[i]; + + int j = Staff_symbol_referencer::get_rounded_position (se); + iv.unite (Slice (j, j)); } return iv; } Direction -Note_column::dir (Grob* me) +Note_column::dir (Grob *me) { - Grob *stem = unsmob_grob (me->get_property ("stem")); - if (stem && Stem::has_interface (stem)) - return Stem::get_direction (stem); - else if (gh_pair_p (me->get_property ("note-heads"))) - return (Direction)sign (head_positions_interval (me).center ()); + Grob *stem = unsmob (me->get_object ("stem")); + if (has_interface (stem)) + return get_grob_direction (stem); + else + { + extract_grob_set (me, "note-heads", heads); + if (heads.size ()) + return (Direction)sign (head_positions_interval (me).center ()); + } - programming_error ("Note column without heads and stem!"); + if (has_interface (me)) + programming_error ("Note_column without heads and stem"); + else + programming_error ("dir() given grob without Note_column interface"); return CENTER; } - void -Note_column::set_stem (Grob*me,Grob * stem) +Note_column::set_stem (Grob *me, Grob *stem) { - me->set_property ("stem", stem->self_scm ()); - me->add_dependency (stem); + me->set_object ("stem", stem->self_scm ()); Axis_group_interface::add_element (me, stem); } - -Grob* -Note_column::get_rest (Grob*me) +Grob * +Note_column::get_rest (Grob *me) { - return unsmob_grob (me->get_property ("rest")); + return unsmob (me->get_object ("rest")); } - + void -Note_column::add_head (Grob*me,Grob *h) +Note_column::add_head (Grob *me, Grob *h) { bool both = false; - if (Rest::has_interface (h)) + if (has_interface (h)) { - if (gh_pair_p (me->get_property ("note-heads"))) - both = true; + extract_grob_set (me, "note-heads", heads); + if (heads.size ()) + both = true; else - me->set_property ("rest", h->self_scm ()); + me->set_object ("rest", h->self_scm ()); } - else if (Note_head::has_interface (h)) + else if (has_interface (h)) { - if (unsmob_grob (me->get_property ("rest"))) - both = true; - Pointer_group_interface::add_grob (me, ly_symbol2scm ("note-heads"),h); + if (unsmob (me->get_object ("rest"))) + both = true; + Pointer_group_interface::add_grob (me, ly_symbol2scm ("note-heads"), h); } if (both) - me->warning ("Can't have rests and note heads together on a stem."); + me->warning (_ ("cannot have note heads and rests together on a stem")); else Axis_group_interface::add_element (me, h); } -/** - translate the rest symbols vertically by amount DY, but only if - they have no staff-position set. -*/ -void -Note_column::translate_rests (Grob*me, int dy) -{ - Grob * r = unsmob_grob (me->get_property ("rest")); - if (r && !gh_number_p (r->get_property ("staff-position"))) - { - r->translate_axis (dy * Staff_symbol_referencer::staff_space (r)/2.0, Y_AXIS); - } -} - - -void -Note_column::set_dotcol (Grob*me,Grob *d) +Grob * +Note_column::first_head (Grob *me) { - Axis_group_interface::add_element (me, d); + Grob *st = get_stem (me); + return st ? Stem::first_head (st) : 0; } - - - -Grob* -Note_column::first_head (Grob*me) +/* + Return extent of the noteheads in the "main column", + (i.e. excluding any suspended noteheads), or extent + of the rest (if there are no heads). +*/ +Interval +Note_column::calc_main_extent (Grob *me) { - Grob * st = get_stem (me); - return st? Stem::first_head (st): 0; + Grob *main_head = 0; + if (get_stem (me)) + main_head = first_head (me); + else + { + // no stems => no suspended noteheads. + extract_grob_set (me, "note-heads", heads); + if (heads.size()) + main_head = heads[0]; + } + Grob *main_item = main_head + ? main_head + : unsmob (me->get_object ("rest")); + + return main_item + ? main_item->extent (me, X_AXIS) + : Interval (0, 0); } - /* - Return the first Accidentals grob that we find in a note-head. - */ -Grob* + Return the first AccidentalPlacement grob that we find in a note-head. +*/ +Grob * Note_column::accidentals (Grob *me) { - SCM heads = me->get_property ("note-heads"); - Grob * acc = 0; - for (;gh_pair_p (heads); heads =gh_cdr (heads)) + extract_grob_set (me, "note-heads", heads); + Grob *acc = 0; + for (vsize i = 0; i < heads.size (); i++) { - Grob * h = unsmob_grob (gh_car (heads)); - acc = h ? unsmob_grob (h->get_property ("accidental-grob")) : 0; + Grob *h = heads[i]; + acc = h ? unsmob (h->get_object ("accidental-grob")) : 0; if (acc) - break; + break; } if (!acc) return 0; - - if (Accidental_placement::has_interface (acc->get_parent (X_AXIS))) + + if (has_interface (acc->get_parent (X_AXIS))) return acc->get_parent (X_AXIS); /* compatibility. */ - return acc; + return acc; } +Grob * +Note_column::dot_column (Grob *me) +{ + extract_grob_set (me, "note-heads", heads); + for (vsize i = 0; i < heads.size (); i++) + { + Grob *dots = unsmob (heads[i]->get_object ("dot")); + if (dots) + return dots->get_parent (X_AXIS); + } + + return 0; +} +/* If a note-column contains a cross-staff stem then + nc->extent (Y_AXIS, refp) will not consider the extent of the stem. + If you want the extent of the stem to be included (and you are safe + from any cross-staff issues) then call this function instead. */ +Interval +Note_column::cross_staff_extent (Grob *me, Grob *refp) +{ + Interval iv = me->extent (refp, Y_AXIS); + if (Grob *s = get_stem (me)) + iv.unite (s->extent (refp, Y_AXIS)); -ADD_INTERFACE (Note_column,"note-column-interface", - "Stem and noteheads combined", - "arpeggio note-heads rest-collision rest horizontal-shift stem accidentals force-hshift"); + return iv; +} +ADD_INTERFACE (Note_column, + "Stem and noteheads combined.", + + /* properties */ + "force-hshift " + "horizontal-shift " + "ignore-collision " + "note-heads " + "rest " + "rest-collision " + "stem " + "glissando-skip " + );