/*
- 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--2011 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
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))
{
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));
+ 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
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
+ else if (avoid != ly_symbol2scm ("ignore"))
e->warning (_f ("Ignoring grob for slur: %s. avoid-slur not set?",
e->name().c_str ()));
}
-MAKE_SCHEME_CALLBACK (Slur, cross_staff, 1)
+/*
+ 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::cross_staff (SCM smob)
+Slur::outside_slur_cross_staff (SCM smob, SCM previous)
{
+ if (previous == SCM_BOOL_T)
+ return previous;
+
Grob *me = unsmob_grob (smob);
- Grob *staff = Staff_symbol_referencer::get_staff_symbol (me);
- assert (staff); // delete me
+ 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 (Staff_symbol_referencer::get_staff_symbol (cols[i]) != staff)
- return SCM_BOOL_T;
- return SCM_BOOL_F;
+ {
+ 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."
+ "\n"
+ "The following properties may be set in the @code{details}"
+ " list.\n"
+ "\n"
+ "@table @code\n"
+ "@item region-size\n"
+ "Size of region (in staff spaces) for determining"
+ " potential endpoints in the Y direction.\n"
+ "@item head-encompass-penalty\n"
+ "Demerit to apply when note heads collide with a slur.\n"
+ "@item stem-encompass-penalty\n"
+ "Demerit to apply when stems collide with a slur.\n"
+ "@item closeness-factor\n"
+ "Additional demerit used when scoring encompasses.\n"
+ "@item edge-attraction-factor\n"
+ "Factor used to calculate the demerit for distances"
+ " between slur endpoints and their corresponding base"
+ " attachments.\n"
+ "@item same-slope-penalty\n"
+ "Demerit for slurs with attachment points that are"
+ " horizontally aligned.\n"
+ "@item steeper-slope-factor\n"
+ "Factor used to calculate demerit only if this slur is"
+ " not broken.\n"
+ "@item non-horizontal-penalty\n"
+ "Demerit for slurs with attachment points that are not"
+ " horizontally aligned.\n"
+ "@item max-slope\n"
+ "The maximum slope allowed for this slur.\n"
+ "@item max-slope-factor\n"
+ "Factor that calculates demerit based on the max slope.\n"
+ "@item free-head-distance\n"
+ "The amount of vertical free space that must exist"
+ " between a slur and note heads.\n"
+ "@item absolute-closeness-measure\n"
+ "Factor to calculate demerit for variance between a note"
+ " head and slur.\n"
+ "@item extra-object-collision-penalty\n"
+ "Factor to calculate demerit for extra objects that the"
+ " slur encompasses, including accidentals, fingerings, and"
+ " tuplet numbers.\n"
+ "@item accidental-collision\n"
+ "Factor to calculate demerit for @code{Accidental} objects"
+ " that the slur encompasses. This property value replaces"
+ " the value of @code{extra-object-collision-penalty}.\n"
+ "@item extra-encompass-free-distance\n"
+ "The amount of vertical free space that must exist"
+ " between a slur and various objects it encompasses,"
+ " including accidentals, fingerings, and tuplet numbers.\n"
+ "@item extra-encompass-collision-distance\n"
+ "This detail is currently unused.\n"
+ "@item head-slur-distance-factor\n"
+ "Factor to calculate demerit for variance between a note"
+ " head and slur.\n"
+ "@item head-slur-distance-max-ratio\n"
+ "The maximum value for the ratio of distance between a"
+ " note head and slur.\n"
+ "@item free-slur-distance\n"
+ "The amount of vertical free space that must exist"
+ " between adjacent slurs. This subproperty only works"
+ " for @code{PhrasingSlur}.\n"
+ "@item edge-slope-exponent\n"
+ "Factor used to calculate the demerit for the slope of"
+ " a slur near its endpoints; a larger value yields a"
+ " larger demerit.\n"
+ "@end table\n",
/* properties */
+ "annotation "
"avoid-slur " /* UGH. */
"control-points "
- "dash-fraction "
- "dash-period "
+ "dash-definition "
"details "
"direction "
"eccentricity "
"line-thickness "
"note-columns "
"positions "
- "quant-score "
"ratio "
"thickness "
);
projects / lilypond.git / blobdiff