/*
- accidental.cc -- implement Accidental_interface
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2001--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2001--2006 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 "accidental-interface.hh"
Stencil close
= font->find_by_name ("accidentals.rightparen");
- m.add_at_edge (X_AXIS, LEFT, Stencil (open), 0, 0);
- m.add_at_edge (X_AXIS, RIGHT, Stencil (close), 0, 0);
+ m.add_at_edge (X_AXIS, LEFT, Stencil (open), 0);
+ m.add_at_edge (X_AXIS, RIGHT, Stencil (close), 0);
return m;
}
-/*
- Hmm. Need separate callback, or perhaps #'live bool property.
- */
-MAKE_SCHEME_CALLBACK (Accidental_interface, after_line_breaking, 1);
-SCM
-Accidental_interface::after_line_breaking (SCM smob)
+/* If this gets called before line breaking, we will return a non-trivial
+ extent even if we belong to a tie and won't actually get printed. */
+static SCM
+get_extent (Grob *me, Axis a)
{
- Grob *me = unsmob_grob (smob);
- Grob *tie = unsmob_grob (me->get_object ("tie"));
+ Stencil *s = unsmob_stencil (Accidental_interface::get_stencil (me));
- if (tie && !tie->original ()
- && !to_boolean (me->get_property ("forced")))
- {
- me->suicide ();
- }
-
- return SCM_UNSPECIFIED;
+ if (s)
+ return ly_interval2scm (s->extent (a));
+ return ly_interval2scm (Interval ());
}
-/* This callback exists for the sole purpose of allowing us to override
- its pure equivalent to accidental-interface::pure-height */
MAKE_SCHEME_CALLBACK (Accidental_interface, height, 1);
SCM
Accidental_interface::height (SCM smob)
{
- return Grob::stencil_height (smob);
+ return get_extent (unsmob_grob (smob), Y_AXIS);
+}
+
+MAKE_SCHEME_CALLBACK (Accidental_interface, width, 1);
+SCM
+Accidental_interface::width (SCM smob)
+{
+ return get_extent (unsmob_grob (smob), X_AXIS);
}
MAKE_SCHEME_CALLBACK (Accidental_interface, pure_height, 3);
int start = scm_to_int (start_scm);
int rank = me->get_column ()->get_rank ();
- bool visible = to_boolean (me->get_property ("forced"))
- || !unsmob_grob (me->get_object ("tie"))
- || rank != start + 1; /* we are in the middle of a line */
+ if (to_boolean (me->get_property ("forced"))
+ || !unsmob_grob (me->get_object ("tie"))
+ || (rank == start + 1 && /* we are at the start of a line */
+ !to_boolean (me->get_property ("hide-tied-accidental-after-break"))))
+ {
+ Stencil *s = unsmob_stencil (get_stencil (me));
+ if (s)
+ return ly_interval2scm (s->extent (Y_AXIS));
+ }
- return visible ? Grob::stencil_height (smob) : ly_interval2scm (Interval ());
+ return ly_interval2scm (Interval ());
}
vector<Box>
vector<Box> boxes;
bool parens = to_boolean (me->get_property ("parenthesized"));
+ if (!me->is_live ())
+ return boxes;
- SCM scm_style = me->get_property ("style");
- if (!scm_is_symbol (scm_style)
- && !to_boolean (me->get_property ("restore-first"))
+ if (!to_boolean (me->get_property ("restore-first"))
&& !parens)
{
- Rational alteration = ly_scm2rational (me->get_property ("alteration"));
- if (alteration == FLAT_ALTERATION)
+ SCM alist = me->get_property ("glyph-name-alist");
+ SCM alt = me->get_property ("alteration");
+ string glyph_name = robust_scm2string (ly_assoc_get (alt, alist, SCM_BOOL_F),
+ "");
+
+ if (glyph_name == "accidentals.flat"
+ || glyph_name == "accidentals.mirroredflat")
{
Box stem = b;
Box bulb = b;
we could make the stem thinner, but that places the flats
really close.
*/
- stem[X_AXIS][RIGHT] *= .5;
+ Direction bulb_dir =
+ glyph_name == "accidentals.mirroredflat" ? LEFT : RIGHT;
+ stem[X_AXIS][bulb_dir] = stem[X_AXIS].center ();
/*
To prevent vertical alignment for 6ths
boxes.push_back (bulb);
boxes.push_back (stem);
}
- else if (alteration == NATURAL_ALTERATION)
+ else if (glyph_name == "accidentals.natural")
{
Box lstem = b;
Box rstem = b;
Accidental_interface::print (SCM smob)
{
Grob *me = unsmob_grob (smob);
+ Grob *tie = unsmob_grob (me->get_object ("tie"));
+
+ if (tie &&
+ (to_boolean (me->get_property ("hide-tied-accidental-after-break"))
+ || (!tie->original () && !to_boolean (me->get_property ("forced")))))
+ {
+ me->suicide ();
+ return SCM_EOL;
+ }
+ return get_stencil (me);
+}
+
+SCM
+Accidental_interface::get_stencil (Grob *me)
+{
Font_metric *fm = Font_interface::get_default_font (me);
SCM alist = me->get_property ("glyph-name-alist");
if (!scm_is_string (glyph_name))
{
me->warning (_f ("Could not find glyph-name for alteration %s",
- ly_scm2rational (alt).to_string ().c_str ()));
+ ly_scm_write_string (alt).c_str ()));
return SCM_EOL;
}
- Stencil mol (fm->find_by_name (scm_i_string_chars (glyph_name)));
+ Stencil mol (fm->find_by_name (ly_scm2string (glyph_name)));
if (to_boolean (me->get_property ("restore-first")))
{
/*
if (acc.is_empty ())
me->warning (_ ("natural alteration glyph not found"));
else
- mol.add_at_edge (X_AXIS, LEFT, acc, 0.1, 0);
+ mol.add_at_edge (X_AXIS, LEFT, acc, 0.1);
}
if (to_boolean (me->get_property ("parenthesized")))
ADD_INTERFACE (Accidental_interface,
- "a single accidental",
+ "A single accidental.",
- /* props */
+ /* properties */
"alteration "
"avoid-slur "
"forced "
+ "glyph-name-alist "
+ "hide-tied-accidental-after-break "
"parenthesized "
"restore-first "
- "glyph-name-alist "
"tie "
);