/*
- slur.cc -- implement external interface for Slur
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
-
- (c) 1996--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1996--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
Jan Nieuwenhuizen <janneke@gnu.org>
+
+ 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 "slur.hh"
#include "bezier.hh"
#include "directional-element-interface.hh"
#include "font-interface.hh"
+#include "item.hh"
#include "pointer-group-interface.hh"
#include "lookup.hh"
#include "main.hh" // DEBUG_SLUR_SCORING
#include "output-def.hh"
#include "spanner.hh"
#include "staff-symbol-referencer.hh"
-#include "staff-symbol.hh"
#include "stem.hh"
#include "text-interface.hh"
#include "tie.hh"
#include "warn.hh"
#include "slur-scoring.hh"
#include "separation-item.hh"
-#include "script-interface.hh"
+#include "international.hh"
-MAKE_SCHEME_CALLBACK(Slur, calc_direction, 1)
+MAKE_SCHEME_CALLBACK (Slur, calc_direction, 1)
SCM
Slur::calc_direction (SCM smob)
{
ret.unite (d);
}
- ret.widen (height * 0.5);
+ // The +0.5 comes from the fact that we try to place a slur
+ // 0.5 staff spaces from the note-head.
+ // (see Slur_score_state.get_base_attachments ())
+ ret.widen (height * 0.5 + 0.5);
return ly_interval2scm (ret);
}
: ly_interval2scm (Interval ());
}
-/*
- Ugh should have dash-length + dash-period
-*/
MAKE_SCHEME_CALLBACK (Slur, print, 1);
SCM
Slur::print (SCM smob)
Bezier one = get_curve (me);
Stencil a;
- /*
- TODO: replace dashed with generic property.
- */
- SCM p = me->get_property ("dash-period");
- SCM f = me->get_property ("dash-fraction");
- if (scm_is_number (p) && scm_is_number (f))
- a = Lookup::dashed_slur (one, line_thick, robust_scm2double (p, 1.0),
- robust_scm2double (f, 0));
- else
- a = Lookup::slur (one,
- get_grob_direction (me) * base_thick,
- line_thick);
+ SCM dash_definition = me->get_property ("dash-definition");
+ a = Lookup::slur (one,
+ get_grob_direction (me) * base_thick,
+ line_thick,
+ dash_definition);
#if DEBUG_SLUR_SCORING
- SCM quant_score = me->get_property ("quant-score");
-
- if (to_boolean (me->layout ()
- ->lookup_variable (ly_symbol2scm ("debug-slur-scoring")))
- && scm_is_string (quant_score))
+ SCM annotation = me->get_property ("annotation");
+ if (!scm_is_string (annotation))
+ {
+ SCM debug = me->layout ()->lookup_variable (ly_symbol2scm ("debug-slur-scoring"));
+ if (to_boolean (debug))
+ annotation = me->get_property ("quant-score");
+ }
+
+ if (scm_is_string (annotation))
{
string str;
SCM properties = Font_interface::text_font_alist_chain (me);
-
if (!scm_is_number (me->get_property ("font-size")))
properties = scm_cons (scm_acons (ly_symbol2scm ("font-size"), scm_from_int (-6), SCM_EOL),
properties);
Stencil tm = *unsmob_stencil (Text_interface::interpret_markup
(me->layout ()->self_scm (), properties,
- quant_score));
- a.add_at_edge (Y_AXIS, get_grob_direction (me), tm, 1.0, 0);
+ annotation));
+ a.add_at_edge (Y_AXIS, get_grob_direction (me), tm, 1.0);
}
#endif
/*
it would be better to do this at engraver level, but that is
- fragile, as the breakabl items are generated on staff level, at
+ fragile, as the breakable items are generated on staff level, at
which point slur starts and ends have to be tracked
*/
void
{
extract_grob_set (g, "elements", breakables);
for (vsize j = 0; j < breakables.size (); j++)
- if (breakables[j]->get_property ("avoid-slur") == ly_symbol2scm ("inside"))
+ /* if we encompass a separation-item that spans multiple staves,
+ we filter out the grobs that don't belong to our staff */
+ if (me->common_refpoint (breakables[j], Y_AXIS) == me->get_parent (Y_AXIS)
+ && breakables[j]->get_property ("avoid-slur") == ly_symbol2scm ("inside"))
new_encompasses.push_back (breakables[j]);
}
else
Pointer_group_interface::add_grob (me, ly_symbol2scm ("encompass-objects"), n);
}
-MAKE_SCHEME_CALLBACK_WITH_OPTARGS (Slur, pure_outside_slur_callback, 4, 1);
+MAKE_SCHEME_CALLBACK_WITH_OPTARGS (Slur, pure_outside_slur_callback, 4, 1, "");
SCM
Slur::pure_outside_slur_callback (SCM grob, SCM start_scm, SCM end_scm, SCM offset_scm)
{
return scm_from_double (offset + dir * slur->pure_height (slur, start, end).length () / 4);
}
-MAKE_SCHEME_CALLBACK_WITH_OPTARGS (Slur, outside_slur_callback, 2, 1);
+MAKE_SCHEME_CALLBACK_WITH_OPTARGS (Slur, outside_slur_callback, 2, 1, "");
SCM
Slur::outside_slur_callback (SCM grob, SCM offset_scm)
{
0.0);
yext.widen (slur_padding);
- Real EPS = 1e-3;
+ const Real EPS = 1e-3;
Interval bezext (curve.control_[0][X_AXIS], curve.control_[3][X_AXIS]);
- bool consider[] = { false, false, false };
+ bool consider[] = {false, false, false};
Real ys[] = {0, 0, 0};
bool do_shift = false;
}
Real avoidance_offset = 0.0;
- for (int d = LEFT, k = 0; d <= RIGHT; d++, k++)
- if (consider[k])
- avoidance_offset = dir * (max (dir * avoidance_offset,
- dir * (ys[k] - yext[-dir] + dir * slur_padding)));
-
+ if (do_shift)
+ {
+ for (int d = LEFT, k = 0; d <= RIGHT; d++, k++)
+ if (consider[k])
+ avoidance_offset = dir * (max (dir * avoidance_offset,
+ dir * (ys[k] - yext[-dir] + dir * slur_padding)));
+ }
return scm_from_double (offset + avoidance_offset);
}
if (slur)
{
chain_offset_callback (e, outside_slur_callback_proc, Y_AXIS);
+ chain_callback (e, outside_slur_cross_staff_proc, ly_symbol2scm("cross-staff"));
e->set_object ("slur", slur->self_scm ());
}
}
- else
- e->warning ("Ignoring grob for slur. avoid-slur not set?");
+ else if (avoid != ly_symbol2scm ("ignore"))
+ e->warning (_f ("Ignoring grob for slur: %s. avoid-slur not set?",
+ e->name().c_str ()));
}
+/*
+ A callback that will be chained together with the original cross-staff
+ value of a grob that is placed 'outside or 'around a slur. This just says
+ that any grob becomes cross-staff if it is placed 'outside or 'around a
+ cross-staff slur.
+*/
+MAKE_SCHEME_CALLBACK (Slur, outside_slur_cross_staff, 2)
+SCM
+Slur::outside_slur_cross_staff (SCM smob, SCM previous)
+{
+ if (previous == SCM_BOOL_T)
+ return previous;
+
+ Grob *me = unsmob_grob (smob);
+ Grob *slur = unsmob_grob (me->get_object ("slur"));
+
+ if (!slur)
+ return SCM_BOOL_F;
+ return slur->get_property ("cross-staff");
+}
+
+MAKE_SCHEME_CALLBACK (Slur, calc_cross_staff, 1)
+SCM
+Slur::calc_cross_staff (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+
+ extract_grob_set (me, "note-columns", cols);
+ extract_grob_set (me, "encompass-objects", extras);
+
+ for (vsize i = 0; i < cols.size (); i++)
+ {
+ if (Grob *s = Note_column::get_stem (cols[i]))
+ if (to_boolean (s->get_property ("cross-staff")))
+ return SCM_BOOL_T;
+ }
+
+ /* the separation items are dealt with in replace_breakable_encompass_objects
+ so we can ignore them here */
+ vector<Grob*> non_sep_extras;
+ for (vsize i = 0; i < extras.size (); i++)
+ if (!Separation_item::has_interface (extras[i]))
+ non_sep_extras.push_back (extras[i]);
+
+ Grob *common = common_refpoint_of_array (cols, me, Y_AXIS);
+ common = common_refpoint_of_array (non_sep_extras, common, Y_AXIS);
+
+ return scm_from_bool (common != me->get_parent (Y_AXIS));
+}
ADD_INTERFACE (Slur,
-
- "A slur",
+ "A slur.",
/* properties */
+ "annotation "
"avoid-slur " /* UGH. */
"control-points "
- "dash-fraction "
- "dash-period "
+ "dash-definition "
"details "
"direction "
"eccentricity "
projects / lilypond.git / blobdiff