/*
- note-column.cc -- implement Note_column
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the LilyPond music typesetter
+ Copyright (C) 1997--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.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 "note-column.hh"
-#include "debug.hh"
-#include "script.hh"
-#include "notehead.hh"
-#include "stem.hh"
-IMPLEMENT_STATIC_NAME(Note_column);
+#include <cmath> // 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"
+/*
+ TODO: figure out if we can prune this class. This is just an
+ annoying layer between (rest)collision & (note-head + stem)
+*/
-void
-Note_column::add(Stem*stem_l)
+bool
+Note_column::has_rests (Grob *me)
{
- assert(!stem_l_);
- stem_l_ = stem_l;
- add_dependency(stem_l);
+ return unsmob_grob (me->get_object ("rest"));
}
-void
-Note_column::add(Notehead* n_l)
+bool
+Note_column::shift_less (Grob *const &p1, Grob *const &p2)
{
- if (head_l_arr_.size()){
- if (n_l->rest_b_ != rest_b_) return; // ugly fix. Should think about integrating rests into colunms.
- } else
- rest_b_ = n_l->rest_b_;
-
- head_l_arr_.push(n_l);
- add_dependency(n_l);
+ SCM s1 = p1->get_property ("horizontal-shift");
+ SCM s2 = p2->get_property ("horizontal-shift");
+
+ 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;
}
-void
-Note_column::add(Script*s_l)
+Item *
+Note_column::get_stem (Grob *me)
{
- script_l_arr_.push(s_l);
- add_dependency(s_l);
+ SCM s = me->get_object ("stem");
+ return unsmob_item (s);
}
-void
-Note_column::translate(Offset o)
+Slice
+Note_column::head_positions_interval (Grob *me)
{
- for (int i=0; i < head_l_arr_.size(); i++)
- head_l_arr_[i]->translate(o);
- for (int i=0; i < script_l_arr_.size(); i++)
- script_l_arr_[i]->translate(o);
- if (stem_l_)
- stem_l_->translate(o);
-}
+ Slice iv;
+ iv.set_empty ();
-void
-Note_column::do_print()const
+ extract_grob_set (me, "note-heads", heads);
+ for (vsize i = 0; i < heads.size (); i++)
+ {
+ 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)
{
- mtor << "heads: " << head_l_arr_.size() << '\n';
- mtor << "scripts: " << script_l_arr_.size() << '\n';
+ Grob *stem = unsmob_grob (me->get_object ("stem"));
+ if (stem && Stem::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");
+ return CENTER;
}
-Interval
-Note_column::do_height()const return r
+void
+Note_column::set_stem (Grob *me, Grob *stem)
{
- if (stem_l_)
- r.unite(stem_l_->height());
- for (int i=0; i < head_l_arr_.size(); i++)
- r.unite(head_l_arr_[i]->height());
- for (int i=0; i < script_l_arr_.size(); i++)
- r.unite(script_l_arr_[i]->height());
+ me->set_object ("stem", stem->self_scm ());
+ Axis_group_interface::add_element (me, stem);
}
-Interval
-Note_column::do_width()const return r;
+Grob *
+Note_column::get_rest (Grob *me)
{
- if (stem_l_)
- r.unite(stem_l_->width());
- for (int i=0; i < head_l_arr_.size(); i++)
- r.unite(head_l_arr_[i]->width());
- for (int i=0; i < script_l_arr_.size(); i++)
- r.unite(script_l_arr_[i]->width());
+ return unsmob_grob (me->get_object ("rest"));
}
void
-Note_column::do_pre_processing()
+Note_column::add_head (Grob *me, Grob *h)
{
- if (stem_l_ && !dir_i_)
- dir_i_ = stem_l_->dir_i_;
-
- if (!script_l_arr_.size())
- return;
-
- Array<Script*> placed_l_arr_a[4];
- for (int i=0; i < script_l_arr_.size(); i++) {
- Script*s_l = script_l_arr_[i];
- int j = (s_l->dir_i_ >0) ? 0 : 2;
- if (!s_l->inside_staff_b_)
- j ++;
-
- placed_l_arr_a[j].push(s_l);
+ bool both = false;
+ if (Rest::has_interface (h))
+ {
+ extract_grob_set (me, "note-heads", heads);
+ if (heads.size ())
+ both = true;
+ else
+ me->set_object ("rest", h->self_scm ());
}
- for (int j =0; j <4; j++) {
- placed_l_arr_a[j].sort( Script::compare);
+ else if (Note_head::has_interface (h))
+ {
+ if (unsmob_grob (me->get_object ("rest")))
+ both = true;
+ Pointer_group_interface::add_grob (me, ly_symbol2scm ("note-heads"), h);
}
-
- Notehead *top_head_l=0;
- Notehead *bot_head_l=0;
- for (int i=0; i< head_l_arr_.size(); i++) {
- if (head_l_arr_[i]->extremal == -1)
- bot_head_l = head_l_arr_[i];
- else if (head_l_arr_[i]->extremal == 1)
- top_head_l = head_l_arr_[i];
- }
- /* argh. This sux. */
- if (!top_head_l)
- top_head_l = bot_head_l;
- if (!bot_head_l)
- bot_head_l = top_head_l;
- //assert(bot_head_l && top_head_l);
- Item *support_l=top_head_l;
- int j;
- for (j = 0; j < 2; j++ ) {
- for (int i=0; i < placed_l_arr_a[j].size(); i++) {
- if (support_l)
- placed_l_arr_a[j][i]->add_support(support_l);
- support_l = placed_l_arr_a[j][i];
- }
- }
-
- support_l=bot_head_l;
- for (; j < 4; j++ ) {
- for (int i=0; i < placed_l_arr_a[j].size(); i++) {
- if (support_l)
- placed_l_arr_a[j][i]->add_support(support_l);
- support_l = placed_l_arr_a[j][i];
- }
+
+ if (both)
+ me->warning (_ ("cannot have note heads and rests together on a stem"));
+ else
+ Axis_group_interface::add_element (me, h);
+}
+
+Grob *
+Note_column::first_head (Grob *me)
+{
+ Grob *st = get_stem (me);
+ return st ? Stem::first_head (st) : 0;
+}
+
+/*
+ Return the first AccidentalPlacement grob that we find in a note-head.
+*/
+Grob *
+Note_column::accidentals (Grob *me)
+{
+ extract_grob_set (me, "note-heads", heads);
+ Grob *acc = 0;
+ for (vsize i = 0; i < heads.size (); i++)
+ {
+ Grob *h = heads[i];
+ acc = h ? unsmob_grob (h->get_object ("accidental-grob")) : 0;
+ if (acc)
+ break;
}
+
+ if (!acc)
+ return 0;
+
+ if (Accidental_placement::has_interface (acc->get_parent (X_AXIS)))
+ return acc->get_parent (X_AXIS);
+
+ /* compatibility. */
+ return acc;
}
-Note_column::Note_column()
+Grob *
+Note_column::dot_column (Grob *me)
{
- h_shift_b_ =false;
- stem_l_ =0;
- rest_b_ = false;
- dir_i_ =0;
+ extract_grob_set (me, "note-heads", heads);
+ for (vsize i = 0; i < heads.size (); i++)
+ {
+ Grob *dots = unsmob_grob (heads[i]->get_object ("dot"));
+ if (dots)
+ return dots->get_parent (X_AXIS);
+ }
+
+ return 0;
}
-void
-Note_column::sort()
+
+Grob *
+Note_column::arpeggio (Grob *me)
{
- head_l_arr_.sort( Notehead::compare);
+ return unsmob_grob (me->get_object ("arpeggio"));
}
-
-Interval_t<int>
-Note_column::head_positions_interval()const
+
+/* 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)
{
- ( (Note_column*)this)->sort();
- return Interval_t<int> ( head_l_arr_[0]->position,
- head_l_arr_.top()->position);
+ Interval iv = me->extent (refp, Y_AXIS);
+ if (Grob *s = get_stem (me))
+ iv.unite (s->extent (refp, Y_AXIS));
+ return iv;
}
+
+ADD_INTERFACE (Note_column,
+ "Stem and noteheads combined.",
+
+ /* properties */
+ "arpeggio "
+ "force-hshift "
+ "horizontal-shift "
+ "ignore-collision "
+ "note-heads "
+ "rest "
+ "rest-collision "
+ "stem "
+ );
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