/*
- 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 <hanwen@xs4all.nl>
- (c) 1997--2009 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 "note-column.hh"
-#include <cmath> // ceil
+#include <cmath> // ceil
using namespace std;
#include "accidental-placement.hh"
bool
Note_column::has_rests (Grob *me)
{
- return unsmob_grob (me->get_object ("rest"));
+ return unsmob<Grob> (me->get_object ("rest"));
}
bool
Note_column::get_stem (Grob *me)
{
SCM s = me->get_object ("stem");
- return unsmob_item (s);
+ return unsmob<Item> (s);
+}
+
+Item *
+Note_column::get_flag (Grob *me)
+{
+ Item *stem = get_stem (me);
+ if (stem)
+ {
+ SCM s = stem->get_object ("flag");
+ return unsmob<Item> (s);
+ }
+ return 0;
}
Slice
Direction
Note_column::dir (Grob *me)
{
- Grob *stem = unsmob_grob (me->get_object ("stem"));
- if (stem && Stem::has_interface (stem))
+ Grob *stem = unsmob<Grob> (me->get_object ("stem"));
+ if (has_interface<Stem> (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 ());
+ return (Direction)sign (head_positions_interval (me).center ());
}
- programming_error ("note column without heads and stem");
+ if (has_interface<Note_column> (me))
+ programming_error ("Note_column without heads and stem");
+ else
+ programming_error ("dir() given grob without Note_column interface");
return CENTER;
}
Grob *
Note_column::get_rest (Grob *me)
{
- return unsmob_grob (me->get_object ("rest"));
+ return unsmob<Grob> (me->get_object ("rest"));
}
void
Note_column::add_head (Grob *me, Grob *h)
{
bool both = false;
- if (Rest::has_interface (h))
+ if (has_interface<Rest> (h))
{
extract_grob_set (me, "note-heads", heads);
if (heads.size ())
- both = true;
+ both = true;
else
- me->set_object ("rest", h->self_scm ());
+ me->set_object ("rest", h->self_scm ());
}
- else if (Note_head::has_interface (h))
+ else if (has_interface<Note_head> (h))
{
- if (unsmob_grob (me->get_object ("rest")))
- both = true;
+ if (unsmob<Grob> (me->get_object ("rest")))
+ both = true;
Pointer_group_interface::add_grob (me, ly_symbol2scm ("note-heads"), h);
}
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_object ("rest"));
- if (r && !scm_is_number (r->get_property ("staff-position")))
- {
- r->translate_axis (dy * Staff_symbol_referencer::staff_space (r) / 2.0, Y_AXIS);
- Grob *p = r->get_parent (Y_AXIS);
- p->flush_extent_cache (Y_AXIS);
- }
-}
-
Grob *
Note_column::first_head (Grob *me)
{
}
/*
- Return the first Accidentals grob that we find in a note-head.
+ 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 *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<Grob> (me->get_object ("rest"));
+
+ return main_item
+ ? main_item->extent (me, X_AXIS)
+ : Interval (0, 0);
+}
+
+/*
+ Return the first AccidentalPlacement grob that we find in a note-head.
*/
Grob *
Note_column::accidentals (Grob *me)
for (vsize i = 0; i < heads.size (); i++)
{
Grob *h = heads[i];
- acc = h ? unsmob_grob (h->get_object ("accidental-grob")) : 0;
+ acc = h ? unsmob<Grob> (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<Accidental_placement> (acc->get_parent (X_AXIS)))
return acc->get_parent (X_AXIS);
/* compatibility. */
extract_grob_set (me, "note-heads", heads);
for (vsize i = 0; i < heads.size (); i++)
{
- Grob *dots = unsmob_grob (heads[i]->get_object ("dot"));
+ Grob *dots = unsmob<Grob> (heads[i]->get_object ("dot"));
if (dots)
- return dots->get_parent (X_AXIS);
+ return dots->get_parent (X_AXIS);
}
-
- return 0;
-}
-Grob *
-Note_column::arpeggio (Grob *me)
-{
- return unsmob_grob (me->get_object ("arpeggio"));
+ return 0;
}
/* If a note-column contains a cross-staff stem then
}
ADD_INTERFACE (Note_column,
- "Stem and noteheads combined.",
-
- /* properties */
- "arpeggio "
- "force-hshift "
- "horizontal-shift "
- "ignore-collision "
- "note-heads "
- "rest "
- "rest-collision "
- "stem "
- );
+ "Stem and noteheads combined.",
+
+ /* properties */
+ "force-hshift "
+ "horizontal-shift "
+ "ignore-collision "
+ "note-heads "
+ "rest "
+ "rest-collision "
+ "stem "
+ );